VL (AZ8) COMPACT SIZE LIMIT SWITCHES Limit Switches A compact and accurate vertical limit switch. Switches with indicator lamp available for convenient maintenance; either a neon AC powered lamp or an LED DC powered lamp. of the lamp holder attachment, it is Inner construction possible to display both lights during Cover attachment screw inoperability and during operation (however, if both NO and NC loads are connected, only the inoperability lamp Cable Cover can be displayed.) Cord vent Terminal screw Construction permits lamp attach- ment method to be changed. Body Operating lamp Inoperability lamp Head block (with output) 4. Mounting is possible from both front and back Standard type With lamp (Roller arm) M4 attachment nut • Lead wiring type Characteristics (LED lamp type only) 1. Compact design approximately Because the wiring can be made par- 1/3 of the AZ5 limit switches allel to the load, current leakage from Spring washer the lamp can be reduced to 0. Even with a slight leak, the electronic circuit Approx. 1/3 incurring the leak can be used safely. 7. Dust-proof, waterproof, oil resis- M5 attachment bolt r tant construction The main unit and the cover are sealed with rubber packing, and the AZ5 type VL cord runner is doubly sealed by the 2. Gold-clad contacts provide reli- cord vent. The actuator is sealed by able operation in low voltage cir- Spring washer both a rubber cap and an O ring in all cuits. Design minimizes contact models. Also, the lens and cover are chatter and bounce 5. Lamp type switches can be used formed simultaneously with the lamp The built-in switch has gold-clad con- with a wide range of voltages type, and moreover, a nameplate is tacts and uses a crossbar contact • With neon lamp affixed to the upper surface, thereby method for excellent reliability. It also Compatible with: AC100 and 200V ; improving the already excellent water- has a dual cutoff circuit (1a1b contact) Even at AC 100V, sufficient luminosity proof capabilities. with little chattering and bouncing due is achieved through the diamond-cut (Note: Applications directly involving to computer-operated analysis. lens. The lamp has a long lifespan of the cord entrance and the locations 3. Easy wiring with full-open terminals more than 20 thousand hours. which are always wet and oily, or sub- When the cover is removed, the termi- • With LED lamp mersion in water or oil, cannot be nals are fully accessible. Moreover, the Covers 6 to 48V DC and comes in used.) wiring space is large despite the com- three types, 6V DC , 12V DC , pact size, and the terminals are spread 24 to 48V DC Uses two highly lumi- TYPICAL in a tiered array, so that wiring work nescent LEDs and a diamond-cut lens. can be completed very easily. 6. Lamp connection can be either APPLICATIONS The cable can either be screwed in spring type or lead wire type Ideal for general plant facilities such as directly, or can use U-shaped and cir- • Spring type (wiring unnecessary) engineering machinery, conveyer cular pressure terminals. (With neon or LED lamp type) machinery, and assembly lines Wiring is unnecessary because the LED lamp type is also compatible with U ® L lamp is directly connected to the termi- low-voltage DC control circuits such as nals. By simply changing the direction in PCs and computers. 431 VL (AZ8) PRODUCT TYPE 1. Standard type Actuator Part No. Push plunger AZ8111 Roller plunger AZ8112 Cross roller plunger AZ8122 Roller arm AZ8104 Adjustable roller arm AZ8108 Adjustable rod AZ8107 Flexible rod AZ8166 Spring wire AZ8169 Remote wire control plunger AZ8181 Note) When ordering an overseas-specified product,refer to the Overseas Standards given below. 2. With Neon lamp Lamp connection Actuator Lamp rating Part No. Push plunger AZ811106 Roller plunger AZ811206 Cross roller plunger AZ812206 Roller arm AZ810406 Spring type Adjustable roller arm 100 to 200V AC AZ810806 Adjustable rod AZ810706 Flexible rod AZ816606 Spring wire AZ816906 Remote wire control plunger AZ818106 Note) When ordering an overseas-specified product,refer to the Overseas Standards given below. 3. With LED Lamp rating Lamp connection Actuator 12V DC 24 to 48V DC Part No. Push plunger AZ8111161 AZ811116 Roller plunger AZ8112161 AZ811216 Cross roller plunger AZ8122161 AZ812216 Roller arm AZ8104161 AZ810416 Spring type Adjustable roller arm AZ8108161 AZ810816 Adjustable rod AZ8107161 AZ810716 Flexible rod AZ8166161 AZ816616 Spring wire AZ8169161 AZ816916 Remote wire control plunger AZ8181161 AZ818116 Push plunger AZ8111661 AZ811166 Roller plunger AZ81122661 AZ811266 Cross roller plunger AZ8122661 AZ812266 Roller arm AZ8104661 AZ810466 Lead wire type Adjustable roller arm AZ8108661 AZ810866 Adjustable rod AZ8107661 AZ810766 Flexible rod AZ8166661 AZ816666 Spring wire AZ8169661 AZ816966 Remote wire control plunger AZ8181661 AZ818166 Notes)1. LED rating 6V DC type is available. When ordering, add suffix 162(spring type) or 662(lead wire type) to the standard part No. 2.The DC24-48V rated lamp is recommended for PC input use. 4. Option Application Part No. VL limit conduit adapter VL, VL with lamp, VL-T AZ8801 STANDARDS Standard Applicable product Part No. File No. : E122222 Ratings : 5A 250V AC UL Pilot duty B300 Order by standard part No. However, Product type : Standard model, with neon lamp add “9” to the end of the part No. for the model with neon lamp. File No. : LR55880 Ratings : 5A 250V AC CSA Pilot duty B300 Product type : Standard model, with neon lamp File No. : J9551203 TÜV Ratings : AC-15 2A/250V upwards Order by standard part No. Product type : Standard model only 432 VL (AZ8) SPECIFICATIONS 1. Contact Rating 1) Standard type 2) Type with indicator Load Resistive load Inductive load Rated control Resistive load Inductive load Types (cos f]1) (cos f]0.4) (cos f]1) (cos f]0.4) Rated control voltage voltage 125V AC 5A 3A 125V AC 5A 3A With Neon lamp 250V AC 5A 2A 240V AC 5A 2A 125V DC 0.4A 0.1A With LED 24V DC 3A – 2. Contact Characteristics Contact arrangement 1 Form Z Initial contact resistance, max. 15mΩ (By voltage drop 6 to 8V DC at rated current) Contact material Gold clad over silver Initial insulation resistance (At 500V DC) Min. 100MΩ 1,000Vrms for 1 min Between non-consective terminals 2,000Vrms for 1 min Between Initial breakdown voltage dead metal parts and each terminal 2,000Vrms for 1 min Between ground and each terminal 2 In the free position Max. 98m/s {10G} Shock resistance max. 2 In the full operating position Max. 294m/s {30G} Vibration resistance Standard type: Max. 55Hz Type with indicator: 10 to 50Hz, double amplitude of 1.5mm 7 Mechanical 10 (at 120 cpm) 5 6 Expected life (Min. operations) Electrical 3u10 (at rated resistive load) 5u10 (Magnetic contactor FC-100 200V AC load) 4 Life of lamp Min. 2u10 hours (Neon lamp type) Ambient temperature/Ambient humidity –20 to +60°C –4 to +140°F/Max. 95% Max. operating speed 120 cpm 3. EN60947-5-1 performance Item Rating Rated insulation voltage (Ui) 250VAC Rated impulse withstand voltage (Uimp) 2.5kV Switching overvoltage 2.5kV Rated enclosed thermal current (Ithe) 5A Conditional short-circuit current 100A Short-circuit protection device 10A fuse Protective construction IP64 Pollution degree 3 4. Operating characteristics Characteristics Pretravel (P.T.), max. Movement Differential Overtravel (O.T.), min. Totaltravel (T.T.), O.F. (N {gf}) max. R.F. (N {gf}) min. mm inch (M.D.), max. mm inch mm inch min. mm inch Actuator Push plunger Roller plunger 8.83 {900} 1.47 {150} 1.5 .059 0.7 .028 4 .028 5.5 .217 Cross roller plunger Roller arm 5.88 {600} 0.49 {50} 20° 10° 75° 95° Adjustable roller arm 7.84 {800}~3.35 {342} 0.49 {50}~0.21 {21} 20° 10° 75° 95° Adjustable rod 7.84 {800}~1.99 {203} 0.49 {50}~0.12 {12} 20° 10° 75° 95° Flexible spring wire 0.88 {90} – 30 (1.181) – 20 (.787) 50 (1.969) Remote wire control 19.61 {2,000}~ 1.96 {200}~ 1.5 .059 4 .157* 0.7 .028 2.0 .079* 4.5 .177 2.0 .079* 6 .236 6 .236* plunger 24.52 {2,500}* 1.96 {200}* *Characteristics measured at bent condition: min. radius 100mm 3.937inch. Notes) 1. Keep the total travel values in the specified range. Otherwise the actuator force may rise to several times the operating force, resulting in a mechanical failure or much shorter service life. 2. For the operating characteristics, refer to the TECHNICAL INFORMATION. 5. Protective construction 6.Lamp rating Protective construction Types Rated operating voltage Operating voltage range Internal resister VL mini limit SW VL mini limit SW (with indicator) IEC Neon lamp 100 to 200V AC 80 to 240V AC 120kΩ IP60 p p 6V DC 5 to 15V DC 2.4kΩ IP64 p p LED 12V DC 9 to 28V DC 4.7kΩ 24 to 48V DC 20 to 55V DC 15kΩ DATA WIRING DIAGRAM 1. Life curve 2. Actual load life curve (relay coil load) VL Output 13 14 , 1000 NO NO Life curve resistive load circuit ( ) AC 240VC cos =1 φ 11 12 1000 NC NC 500 500 Terminal 400 300 13 14 0 0.5 1.0 3 5 50 260 700 200 NK HC HPHG VC-20 FC-10 FC-35 FC-100 Various relay loads (VA) 100 30 Note: The FC magnetic contactor series is 200V AC. The K is 0 5 10 2 Form C 24V DC type. 11 12 Load current, A 433 , No. of operating million times No. of operating, million times VL (AZ8) mm inch 10.2 10.2 7 .276 dia. DIMENSIONS .402 .402 stainless steel plunger 3 .118 General PT 1.5max • Push plunger type tolerance: +0.2 2-4.1 0 dia. 4 4 mounting holes 26.5 Standard type .157 .157 ±0.4 1.043 M326 ( ) 2-M5 P=0.8 tapped ( ) 2-M5 P=0.8 20.4–0.3 cover screw 7 .276 in depth 7 .276 in depth .803–.012 mounting holes mounting holes 56–0.3 64 64 2.205–.012 2.520 2.520 Operation indicator ( ) 2-M5 (P=0.8) 2-M5 P=0.8 tapped mounting holes mounting holes 2-M3223 cover screw 14 14 .551 .551 7.5–0.2 7.5–0.2 21–0.2 .295–.008 .295–.008 15.1 15.1 .827–.008 .594 .594 28 20.4–0.3 25 1.102 .803–.012 .984 30.3 1.193 (Standard type) (With Neon lamp) 12.5 dia.23.8 10.2 10.2 • Roller plunger type stainless steel roller .402 .402 General PT 1.5max Standard type tolerance: 14.8 .583 ±0.4 +0.2 38 2-4.1 dia. 0 4 4 1.496 mounting holes .157 .157 M326 ( ) ( ) 2-M5 P=0.8 tapped 2-M5 P=0.8 20.4–0.3 cover screw 7 .276 in depth 7 .276 in depth .803–.012 mounting holes mounting holes 56–0.3 64 64 2.205–.012 2.520 2.520 Operation indicator ( ) ( ) 2-M5 P=0.8 tapped 2-M5 P=0.8 mounting holes mounting holes 2-M3223 cover screw 14 14 .551 .551 7.5–0.2 7.5–0.2 21–0.2 .295–.008 .295–.008 15.1 15.1 .827–.008 .594 .594 28 20.4–0.3 25 1.102 .803–.012 30.3 .984 1.193 (Standard type) (With Neon lamp) 12.5 dia.23.8 10.2 10.2 • Cross roller plunger type General stainless steel roller .402 .402 PT 1.5max tolerance: Standard type 14.8 ±0.4 .583 +0.2 38 2-4.1 0 dia. 1.496 4 4 mounting holes .157 .157 M326 2-M5 (P=0.8) tapped 2-M5 (P=0.8) 20.4–0.3 cover screw .803–.012 7 .276 in depth 7 .276 in depth mounting holes mounting holes 56–0.3 64 64 2.205–.012 2.520 2.520 Operation indicator ( ) ( ) 2-M5 P=0.8 tapped 2-M5 P=0.8 mounting holes mounting holes 2-M3223 cover screw 14 14 .551 .551 7.5–0.2 7.5–0.2 21–0.2 .295–.008 .295–.008 15.1 15.1 .827–.008 .594 .594 28 20.4–0.3 25 1.102 .803–.012 30.3 .984 1.193 ( ) ( ) Standard type With Neon lamp 18 dia.27 41.2–0.8 45.2–0.8 nylon roller • Roller arm type 1.622–.031 1.780–.031 General ( Roller can be rotated 36.2–0.8 40.2–0.8 and locked in any 1.425–.031 1.583–.031 ) tolerance: position through 360° Standard type ±0.4 10.2 10.2 .402 .402 M4 arm M4 arm fixing nut fixing screw +0.2 ( 2-4.1 0 dia. with hexagonal ) mounting holes holes 2-M5 (P=0.8) tapped 2-M5 (P=0.8) 18.5 18.5 .728 7 .276 in depth .728 7 .276 in depth 12.5 mounting holes mounting holes .492 M326 20.4–0.3 cover screw .803–.012 56–0.3 64 64 2.205–.012 2.520 2.520 Operation indicator ( ) ( ) 2-M5 P=0.8 tapped 2-M5 P=0.8 mounting holes mounting holes 2-M3223 cover screw 14 14 .551 .551 7.5–0.2 7.5–0.2 21–0.2 .295–.008 .295–.008 15.1 15.1 .827–.008 .594 .594 28 25 20.4–0.3 1.102 .984 Standard type .803–.012 With lamp 38.1 30.3 1.5 1.193 ( ) ( ) 434 x a m 0° 2 T P R30 x VL (AZ8) ( ) ( ) • Adjustable rod type 44.9 44.9 mm inch 5.5 ( ) ( ) 1.768 1.768 .217 36.3–0.8 36.3–0.8 1.429–.031 1.429–.031 Standard type General 2.6 .102 dia. rod (Roller can be rotated and locked in any tolerance: position through 360°) ±0.4 M4 rod fastening plate 10.2 10.2 screw with hexagonal holes .402 .402 Adjustable lenght of rod (30-118) Rod fastening plate +0.2 2-4.1 0 dia. 18.5 mounting holes 18.5 Rod mounting metal Rod mounting metal .728 .728 12.5 .492 M6 mounting rod M6 mounting rod fastening screw with fastening screw with hexagonal holes hexagonal holes M326 2-M5 (P=0.8) cover screw 7 .276 in depth mounting holes 64 56–0.3 64 2-M5 (P=0.8) tapped 2.205–.012 2.520 2.520 7 .276 in depth mounting holes Operation indicator ( ) ( ) 2-M5 P=0.8 tapped 2-M5 P=0.8 mounting holes mounting holes 2-M3223 cover screw 14 14 .551 .551 7.5–0.2 7.5–0.2 21–0.2 .295–.008 .295–.008 15.1 15.1 .827–.008 .594 .594 28 20.4–0.3 20.4–0.3 .803–.012 1.102 .803–.012 25 30.3 .984 1.193 (44.9) (1.768) (44.9) (1.768) (Standard type) (With Neon lamp) • Adjustable roller arm type (Length of arm can be adjustable within 30 to 70mm 1.181 to 2.756inch by 1mm .039inch pitch) 47.7–0.8 47.7–0.8 Standard type 1.878–.031 1.878–.031 42.7–0.8 42.7–0.8 1.681–.031 1.681–.031 18 dia.27 nylon roller 33.5–0.8 33.5–0.8 Adjustable lenght of arm ( Roller can be rotated 1.319–.031 1.319–.031 ( ) General 30-70 and locked in any 28.5–0.8 28.5–0.8 position through 360°) 1.122–.031 1.122–.031 tolerance: M4 arm fastening plate screw with ±0.4 hexagonal holes 10.2 10.2 .402 .402 Arm fastening plate +0.2 2-4.1 0 dia. 18.5 18.5 mounting holes Mounting metal .728 Mounting metal .728 12.5 .492 M6 arm fastening M6 arm fastening plate screw with plate screw with M326 hexagonal holes hexagonal holes 2-M5 (P=0.8) cover screw 7 .276 in depth mounting holes 56–0.3 64 64 2-M5 (P=0.8) tapped 2.205–.012 2.520 2.520 7 .276 in depth Operation indicator mounting holes 2.0 2-M5 (P=0.8) tapped 2.0 2-M5 (P=0.8) .079 .079 mounting holes mounting holes 2-M3223 cover screw 14 14 .551 .551 7.5–0.2 7.5–0.2 21–0.2 .295–.008 .295–.008 15.1 15.1 .827–.008 .594 .594 28 20.4–0.3 20.4–0.3 1.102 .803–.012 .803–.012 25 30.3 .984 1.193 ( ) ( ) ( ) ( ) 46.4 1.827 ( ) 46.4 1.827 ( ) Standard type With Neon lamp • Flexible rod type (Should be used with less than 50mm 1.969inch of T.T.) General 10.2 10.2 tolerance: PT 50 max .402 .402 Standard type 3 dia. 3 dia. ±0.4 .118 .118 Nylon rod Nylon rod 41.5 1.634 5.8 dia. 5.8 dia. .228 .228 100–1.5 3.937–.059 +0.2 2-4.1 0 dia. 4 4 mounting holes .157 .157 M326 2-M5 (P=0.8) tapped 2-M5 (P=0.8) cover screw 20.4–0.3 7 .276 in depth 7 .276 in depth .803–.012 mounting holes mounting holes 56–0.3 64 64 2.205–.012 2.520 2.520 Operation indicator 2-M5 (P=0.8) tapped 2-M5 (P=0.8) mounting holes mounting holes 2-M3223 cover screw 14 14 .551 .551 7.5–0.2 7.5–0.2 21–0.2 .295–.008 .295–.008 15.1 15.1 .827–.008 .594 .594 28 20.4–0.3 25 1.102 .803–.012 30.3 .984 1.193 ( ) ( ) Standard type With Neon lamp 435 x a a m m 0° 0° 2 2 T T P P VL (AZ8) • Spring wire type(Should be used with less than 50mm 1.969inch of T.T.) General tolerance: ±0.4 ±.016 Standard type 10.2 10.2 PT 30 max .402 .402 1.2 dia. 1.2 dia. .047 stainless .047 stainless steel wire steel wire 51.5 2.028 100–1.5 3.937–.059 +0.2 2-4.1 0 dia. 4 4 mounting holes .157 .157 M326 ( ) ( ) 2-M5 P=0.8 tapped 2-M5 P=0.8 cover screw 20.4–0.3 7 .276 in depth 7 .276 in depth .803–.012 mounting holes mounting holes 56–0.3 64 2.205–.012 2.520 64 Operation indicator 2.520 ( ) ( ) 2-M5 P=0.8 tapped 2-M5 P=0.8 mounting holes mounting holes 2-M3223 cover screw 14 14 .551 .551 7.5–0.2 7.5–0.2 21–0.2 .295–.008 .295–.008 15.1 15.1 .827–.008 .594 .594 28 20.4–0.3 25 1.102 .803–.012 30.3 .984 1.193 ( ) ( ) Standard type With Neon lamp • Remote wire control type ( ) General tolerance: ±0.4 ±.016 M12 P=1.25 Panel mounting nut and washer 1000–5 39.37–.197 ( ) 7 63 M10 operation adjustment nut .276 (2.480) Bending radius to be over 100mm 3.937inch 7 Wrench groove PT 1.5max .276 for operation ∗)(PT 4max) 10.2 10.2 adjustment .402 .402 ( ) M12 P=1.25 7 .276 dia. plunger ( ) +0.2 40 2-4.1 0 dia. (1.575) 4 4 mounting holes .157 .157 M326 2-M5 (P=0.8) tapped 2-M5 (P=0.8) cover screw 20.4–0.3 7 .276 in depth 7 .276 in depth .803–.012 mounting holes mounting holes 56–0.3 64 64 2.205–.012 2.520 2.520 Operation indicator 2-M5 (P=0.8) tapped 2-M5 (P=0.8) mounting holes mounting holes 2-M3223 cover screw 14 14 .551 .551 7.5–0.2 7.5–0.2 21–0.2 .295–.008 .295–.008 15.1 15.1 .827–.008 .594 .594 28 20.4–0.3 25 1.102 .803–.012 30.3 .984 ∗) 1.193 100 mm 3.937inch and the total bend comes to 360° ( ) ( ) Standard type With Neon lamp 1. Mounting 2) When the wire is bent, the radius 1) Fasten a switch body should be a minimum of 100mm 2) Temporarily fasten a wire 3.937inch. 3) Fasten an actuator 3) When fastening the wire to a support 4) Permanently fasten the wire when surface locate the fasteners at least adjustment is complete 100mm 3.937inch from the end of the Note) When setting the operating position, it is rec- wire as shown below: ommended to adjust operation adjustment nut to keep safety margin for releasing. 2. Actuator 100mm 100mm 1) Make a hole (12.5±0.3mm 3.937 inch 3.937 inch .492±.012inch dia.) on the panel. 4) Use the least number of fastening points 2) Fasten the actuator with a panel possible. mounting nut 5) When the wire is fastened, use the and washer. 12.5–0.3 dia. .492–.012 rubber bushing to avoid a change in 3. Remote wire the diameter. 1) Use the wire in 6) When the wire is bent, P.T., M.D. and as straight a O.T. can be adjustable as below; configuration P.T. = 2.5mm .098inch (max.) as possible. M.D. = 1.5mm .059inch (max.) Panel thickness max. 10mm .394 inch O.T. = 3.5mm .138inch (min.) 436 VL (AZ8) mm inch OPTION (A set of mounting hex. t=7 max. VL Conduit Adapter socket screws is supplied.) .276 AZ8801 56 • Applicable wire 13/64 ( Same as with the ) VL limit switch Electric wire name Finished outside diameter Vinyl cabtire cord (VCTF) 8.7 to 11 dia. 23 18 .906 .343 to .433 dia. .709 Part A Vinyl cabtire cable (VCT) ( Tighten up ) with no gap 14.8 21 .827 .583 28 27.8 1.102 1.094 ( Same as with the ) VL limit switch ( ) ( ) Front Side INDICATOR LIGHTING CIRCUIT 1. Spring type 1) When connecting a load to the N.O. 2) When connecting a load to the N.C. 3) When connecting loads to both N.O. side: side: and N.C. sides: When the switch is in the free position, When the switch is in the free position, Same as in 1). the indicator is lit. When the switch the indicator is off. When the switch (With the lamp holder in the same operates, the indicator turns off. (With operates, the indicator turns on. position as shipped from the factory. In the indicator holder in the same posi- (With the lamp holder position this case, the holder position cannot tion as shipped from the factory.) changed by 180° from the factory set be changed.) position.) (With Neon lamp) (With Neon lamp) (With Neon lamp) (With LED) (With LED) (With LED) LED Resistor LED Resistor (With Neon lamp) Neon lamp Resistor (With Neon lamp) Built-in switch Built-in switch Neon lamp Resistor 13 14 Load N.O. 13 14 N.O. 13 14 N.O. 3 4 N.C. N.O. Load N.O. N.C. 13 14 N.O. Load Load Load 11 12 13 14 N.C. 11 12 N.C. Built-in switch N.C. 11 12 Load Resistor 1 2 Load N.C. Built-in switch 11 12 AC power source 11 12 Neon lamp AC power source AC power source Built-in switch Built-in switch Resistor LED – + – + – + DC power source DC power source DC power source 2. Lead wire type (only for switches with 2) When the indication circuit is con- LED LED) nected with load in parallel: 1) When giving indication on N.O. side Load performs the same operation as or N.C. side, operation is the same as the indication circuit does. N.O. 13 14 Load for the spring type. However, when the (When load operates, the lamp is lit, Resistor load is connected to both the N.O. side and when load is turned off, the lamp N.C. 11 12 and N.C. side, indication can be given goes out.) Built-in switch on both N.C. side and N.O. side. • More loads than for one circuit can- not be controlled. – + • There is no leakage current. DC power source mm inch MOUNTING DIMENSIONS Surface mounting Through hole mounting Rear mounting t 4 .157 tap 5 .197 mounting screw mounting nut (P=0.7) 4 .157 4 .157 dia. 4-5.5 .217 dia. 4 .157 mouting screw mounting screw 56–0.2 56–0.3 56–0.3 2.205–.008 2.205–.012 2.205–.012 21–0.2 washer 21–0.3 21–0.3 washer .827–.008 washer .827–.012 .827–.012 Depth of screw holes > 15mm .591inch Thickness of panel < 5mm .197inch Length of bolt < panel thickness t+7mm 437 ~ ~ ~ VL (AZ8) Cable treatment WIRING mm inch Applicable fasten terminal Ordinary termi- -Insulation distance more than Max. 6.4 .252 Max. 6.4 .252 Max. 6.4 .252 3.0 to 3.7 dia. N.C. use N.O. use 6.4mm .252inch for wiring and live .118 to .146 9 .354 parts 9 .354 27 1.063 3.0 to 3.7 dia. 3.0 to 3.7 dia. 11 .433 Max. 10 Max. 10 -Special assembly screws .118 to .146 .118 to .146 .394 .394 With insulated grip Fasten terminal N.C. use N.O. use Max. 6.4 .252 Max. 6.4 .252 Max. 6.4 .252 Terminal ( ) Projection 8 locations screw 3.0 to 3.7 dia. 32 1.260 .118 to .146 ( ) Groove 8 points 16 .630 3.0 to 3.7 dia. 3.0 to 3.7 dia. ( ) Spring 4 locations .118 to .146 .118 to .146 Max. 14 Max. 14 Max. 10 Terminal .551 .551 .394 washer Grounding terminal Applicable wire Head direction change (Roller arm, adjustable roller arm, adjustable rod types) Applicable wire Wire name Actuator heads Wire-strand Conductor Finished outside diameter ( ) Lock screw Black 2 2 may be moved in 2-wire 0.75mm •1.25mm 2 Vinyl cabtire cord (VCTF) 3-wire 2.0mm 90° increments to 2 2 Round shape 4-wire 0.75mm •1.25mm any of four direc- 6 dia. to 9 dia. 2 Vinyl cabtire cable (VCT) 2-wire 0.75mm tions, by removing Flat shape Max. 9.4 1.0 dia. to 1.2 dia. 600V vinyl insulation sealed one screw. 2-wire cable (VVF) 1.6 dia. 5. Remote wire control types (fig. 1): CAUTIONS Because the main unit is not of water 1. When overtravel is too large, life is resistant or immersion-proof construc- shortened due to possible damage to the tion, their use in water or oil should be mechanism. Please use in the following avoided. Also, locations where water or appropriate range. oil can normally impinge upon the switch Driver or where there is an excessive accumu- Types Overtravel Spring Lamp lation of dust should be avoided. The Plunger 1.5 to 2.0mm holder (AZ8111, 8112, 8122) .059 to .079inch Cover main unit should be installed above the Roller Arm detection part in such case. (An actuator 20 to 30° (AZ8104, 8107, 8108) is immersion-protected construction.) Flexible Rod 15 to 20mm .591 to fig. 2 (AZ8166, 8169) .787inch (at the top) 6. Mounting Three cover screws should be fastened 2. Because these switches are not of uniformly. The rubber for opening cord 8. Matters to be attended to in using immersion protected construction, their should be corrected as normal condition spring type VL Limit Switch with indica- use in water or oil should be avoided. after connecting the wire. tor. Also, locations where water or oil can 7. How to change the indicator holder. 1) When loads are connected to both normally impinge upon the switch or 1) As shown in the photograph (fig. 2), N.O. and N.C. only the indicatin at non- where there is an excessive accumula- insert a flatblade screw driver in the gap operation time can be used. tion of dust should be avoided. between the cover and the part of the 2) Take special care not to damage or 3. The use of these switches under the indicator holder indicated by the arrow in deform the contact spring during change following conditions should be avoided. If the direction of insertion, and raise the of indicator holder direction or during the following conditions should become lamp a little. connection work. necessary, we recommend consulting us 2) After removing the indicator holder, 3) In the case of VL Limit Switch with first. insert it in the reverse direction, and Neon lamp, if the indicator is connected • Use where there will be direct contact push it in until a snap is heard. in series in a 100V circuit, the indicator with organic solvents, strong acids or 3) After changing the direction of the ceases to be lighted. alkalis, or direct exposure to their vapors. indicator holder, put the cover on it in However, for a 200V circuit, up to 2 • Use where inflammable or corrosive such a way that the spring touches the lamps can be connected in series. gases exist. top of the terminal screw. 9. Matters to be attended to in using lead 4. In order to maintain the reliability at a (Unless the spring rests completely on wire type VL with lamp. high level under practical conditions of the terminal screw, distortion of the 1) When loads are connected to both use, the actual operating conditions spring, failure in lighting of the lamp or N.O. and N.C. indication can be given on should be checked for the benefit of the short circuit may result.) both N.O. and N.C. sides, but it is impos- quality of the product. sible to connect the indication circuit to the load in series. Detected object fig. 1 438