Manufacturers
INSTRUMENT TRANSFORMER 468-069
Description
INSTRUMENT TRANSFORMER 468-069 4/1 Transformer - POTENTIAL TRANSFORMER - INSTRUMENT TRANSFORMERS
Part Number
468-069
Price
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Manufacturer
INSTRUMENT TRANSFORMER
Lead Time
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Category
PRODUCTS - 4
Specifications
Accuracy class
±0.6% at all burdens up to 7.5 VA and +1.5% with 20VA burden.
Approximate weight
4 lbs. Model 468
Each transformer
has two plastic terminal covers.
Terminals are No. 10-32
screws with one lockwasher & one flat washer and regular nut.
The core and coil assembly
is encased in a thermoplastic shell and filled with resin.
Thermal Rating
75VA at 30°C amb., 50 VA at 55°C amb. (60 Hz only)
These transformers are designed
for operation line-to-line. They may also be operated line-to-ground or line-to-neutral, at reduced voltage, (58% of rated volts).
With two exceptions
these transformers are ANSI C57.13 group 1. Those marked * are group 2.
Features
- Frequency 60 Hz
- Insulation Class 600 Volts, 10 Kv. BIL.
- Standard Secondary Voltage 120 Volts
Datasheet
Extracted Text
POTENTIAL TRANSFORMERS MODELS LOW VOLTAGE POTENTIAL TRANSFORMERS 460 &468 600V CLASS FEATURES • Frequency ......................................................... 60 Hz • Standard Secondary Voltage ....................... 120 Volts • Insulation Class ....................... 600 Volts, 10 Kv. BIL. All models on this ® 460 468 page UL recognized ® E93779 LR89403 MODEL 460 SPECIFICATIONS MODEL 468 SPECIFICATIONS • Accuracy Class: • Accuracy Class................................................ 0.6W., 1.2X. ±0.6% at all burdens up to 7.5 VA and +1.5% with 20VA burden. • Thermal Rating • Thermal Rating: 150 VA at 30°C amb., 100 VA at 55°C amb. (60 Hz) 75VA at 30°C amb., 50 VA at 55°C amb. (60 Hz only) • Terminals are Brass Studs No. 10-32 with one lockwasher, • Terminals are No. 10-32 screws with one lockwasher & one flat washer and regular nut. flat washer and regular nut. • The core and coil assembly is encased in a thermoplastic • The core and coil assembly is encased in a thermoplastic . shell and filled with resin. shell and filled with resin. • These transformers are designed for operation line-to-line. • These transformers are designed for operation line-to-line. They may also be operated line-to-ground or line-to-neutral, They may also be operated line-to-ground or line-to-neutral, at reduced voltage, (58% of rated volts). at reduced voltage, (58% of rated volts). • It is desirable to use a 1.6 amp fuse in the secondary to • It is desirable to use the proper size fuse in the secondary protect the transformer. to protect the P.T. Use a 0.80 amp fuse with Model 468. • With three exceptions these transformers are ANSI C57.13 • With two exceptions these transformers are ANSI C57.13 group 1. Those marked * are group 2. group 1. Those marked * are group 2. • Each transformer has two plastic terminal covers. • Each transformer has two plastic terminal covers. • This page contains a circle diagram for the estimation of the • Approximate weight .................................. 4 lbs. Model 468 errors for other than rated burdens. • Approximate weight.............................. 7.75lbs. Model 460 VOLTAGE TRANSFORMER CIRCLE DIAGRAM THIS GRAPH IS DRAWN FOR A 60Hz 0.6 P.F. SYSTEM LOAD APPLICATION AND ORDERING DATA LIMITS OF 1.2 CLASS 1.006 UNITY P.F. CATALOG CATALOG VOLTAGE TURNS 1.005 25VA 25 VA @ NUMBER NUMBER RATING RATIO 1.004 0.7 P.F. 1.003 20 460-069 468-069 69.3:120 0.58:1 1.002 460-120 468-120 120:120 1:1 15 1.001 460-208 468-208 208:120 1.73:1 1.000 10 240:120 2:1 460-240 468-240 0.999 0.998 460-277 468-277 277:120 2.31:1 5 0.997 460-288 468-288 288:120 2.4:1 12.5 VA @ 0.996 0 0.1 P.F. 460-300 468-300 300:120 2.5:1 0.995 LIMITS OF 0.6 CLASS 460-346 468-346 346:120 2.88:1 0.994 *460-480 *468-480 *480:120 4:1 -30 -20 -10 0 +10 +20 +30 -25 -15 -5 +5 +15 +25 *460-600 *468-600 *600:120 5:1 LAGGING LEADING PHASE ANGLE-MINUTES MODEL 460 DIMENSIONS MODEL 468 DIMENSIONS 0.75 1.25 4.73 2.81 4.00 2.30 1.31 2.19 H2 H1 H2 H1 2.35 1.38 (4) HOLES 3.00 (4) MTG. HOLES 3.75 0.43 DIA 3.63 0.22 DIA. 4.49 (2) BOSSES (2) BOSSES 1.13 0.93 0.38 DIA 4.73 2.81 0.38 DIA. 3.34 4.06 3.68 2.88 0.50 0.38 All Dimensions In Inches WWW.FLEX-CORE.COM PHONE (614) 889-6152 sales@flex-core.com TECH. ASSISTANCE (614) 876-8308 Div. Morlan & Associates, Inc. 6625 McVey Blvd. Columbus, Ohio 43235 FAX # (614) 876-8538 40 POTENTIAL TRANSFORMERS RATIO CORRECTION FACTOR-R.C.F. X1 X2 X2 X1
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