  Core: Tubular Ceramic. F EAtur E s terminals: Tinned lug with hole. • Also available in low cost 280 Series RoHS solder composition is 96% Centohm or Silicone coating. Sn, 3.5% Ag, 0.5% Cu ® Consult Ohmite. Corrib Fixed and Adjustable Adjustable Lug: Supplied with • Ribbed construction aids in rapid adjustable 300 watt models. Part Vitreous Enamel Power cooling. No. 1974-A or 1974-B. • Designed for equipment requir- Fixed Electrical ing low resistance loads at low 35 watt Resistance: Max. 63Ω for 300W ohmic values and high current 0.375 in. 0.094 in. version capacity. Diam. 9.525 mm 2.381 mm tolerance: ±10% (K) • Especially constructed for motor 0.173 in. Power rating: Based on 25°C free starting, dynamic braking, etc. 4.394 mm air rating. • RoHS compliant product avail- Derating: Linearly from 0.563 in. able. Add “E” suffix to part num- 0.625 in. 14.288 mm 100% @ +25°C to 0% ber to specify. 15.88 mm @ +400°C. 2.0 in. Overload: 10 times rated wattage 0.3125 in. sPEC i F i CAtions 50.80 mm for 5 seconds. 7.938 mm Material Fixed/Adjustable temperature coefficient: Coating: Lead free vitreous 300 watt* ±400 ppm/°C. Diam. enamel except for extreme low 0.196 in. +.015/-.006 0.25 in. Dielectric withstanding voltage: 0.500 in. ±.030 0.032 in. resistance 35 watt models, and 4.979 mm +.381/-.153 6.35 mm 1000 VAC measured from termi- 12.7 mm ±.79 0.813 mm very large models (750 watts nal to mounting bracket. min. and up), which are supplied in to calculate max. amps: use the Silicone Ceramic. formula √P/R 1.125 in. 28.58 mm 0.75 in. made-to-order partS 19.05 mm 8.5 in. 215.90 mm 0.75 in. ��������������� 19.05 mm * for values over 0.16Ω, terminal dimensions same as 35 watt at above. Series Wattage & Terminal Type Ohms Tolerance 280 = Fixed Core Code See “Resistor Example: F= 1% 230 = Adjustable See “Core and Terminals for R0200 = 0.02Ω H= 3% ® Terminal Selection” Tubular Cores” R2000 = 0.2Ω J= 5% Corrib resistors are ideal for applications involving high currents 2R500 = 2.5Ω K= 10% (std.) See website for at very low resistance values—as low as 0.1Ω for the 300 Watt 10R00 = 10Ω custom core info unit. These large, heavy-duty resistors are designed to withstand frequent start-stop cycles characteristic of motor starting, dynam- ic braking and other similar applications. Special order units RESiStOR hARDWARE ordering info are available to accommodate up to 1500 watts. ® thru Bolts Mounting Brackets Coating Corribs are manufactured with corrugated resistive Blank =Vitreous for 300 Watt Corrib wire. To accelerate cooling, the wire is securely fused to C= Centohm RoHS Compliant S= Silicone the ceramic core by the protective vitreous enamel coating Includes 2 each bracket, bolt, to improve durability. Corrib resistors are hollow-core units ��������� washers (centering, mica, which can be securely fastened to chassis surfaces with thru lock) and nut. Note: Single unit Series Wattage Tolerance Ohms bolts and brackets. mounting contains 1 each bolt C = Fixed K = 10% example: E = Adjustable 1R0 = 1Ω and nut; 2 each all Washers. 250 = 250Ω 1K0 = 1,000Ω No. of Moun. 25K = 25,000Ω Part No. Res- Derat. 25K5 = 25,500Ω Slotted Elongated istors % 1 1 6110-8 /2 6126-P-8 /2 1 100% 1 Standard part numberS for 280 SerieS - 6127-P-8 /2 2 83% 1 - 6128-P-8 /2 3 80% Wattage Wattage other Available sizes (Partial List) 1 - 6129-P-8 /2 4 80% Core Core Min. Max. Prefix* Wattage Length o.D. ohms ohms Part no. Part no. Lugs for 300 Watt C90 90 4.0” 0.563” 0.021 12 Prefix  Prefix  Adjustable Corrib C100 100 3.5” 0.75” 0.021 11 Suffix Suffix Part Resis- Part Resis- C110 110 5.0” 0.563” 0.029 16 0.02 –––R02E 0.8 –––R80E  No. tance No. tance C135 135 6.0” 0.563” 0.028 21 0.04 –––R04E 1.0 –––1R0E   1974-A 0.40 1974-B 0.10 C150 150 5.0” 1.0” 0.043 27 0.06 –––R06E 1.2 –––1R2E  1 1 /16 wire 0.50 /8 wire 0.12 C160 160 6.0” 0.75” 0.038 26 0.63 0.16 0.08 –––R08E 1.25 –––1R25E C180 180 6.5” 0.75” 0.031 29 1.00 0.20 0.1 –––R10E   1.6 –––1R6E   1.50 0.25 C190 190 6.0” 1.0” 0.056 35 0.12 –––R12E   2.0 –––2R0E   1.60 0.31 C215 215 7.0” 1.0” 0.068 43 2.00 0.80 0.15 –––R15E 2.5 –––2R5E   2.50 1.20 C220 220 6.0” 1.125” 0.063 39 0.16 –––R16E  3.1 –––3R1E   3.10 C270 270 5.0” 1.5” 0.065 41 0.2 –––R20E   4.0 –––4R0E   4.00 C375 375 10.5” 1.125” 0.130 80 5.00 0.25 –––R25E   5.0 –––5R0E   6.30 C500 500 10.5” 1.625” 0.190 117 0.3 –––R30E 6.3 –––6R3E   8.00 C750 750 12.0” 2.5” 0.310 198 10.00 0.31 –––R31E   8.0 –––8R0E   12.00 C1000 1000 15.0” 2.5” 0.410 258 0.4 –––R40E   10.0 –––10RE   16.00 C1500 1500 20.0” 2.5” 0.560 358 0.5 –––R50E   12.0 –––12RE   20.00 25.00  = Standard values; check availability 0.6 –––R60E 16.0 –––16RE   *Substitute “C” in 30.00 using the worldwide inventory 0.63 –––R63E   20.0 –––20RE   prefix with “E” for 48.00 search at www.ohmite.com adjustable versions. 50.00 63.0 –––63RE 40 Ohmite Mfg. Co. 1600 Golf Rd., Rolling Meadows, IL 60008 • 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com ohmic value C35K ––– 35 C300K–––300 E300K–––300 (Adjustable) ohmic value C35K ––– 35 C300K–––300 E300K–––300 (Adjustable)