Voltage and Current Transformers
Class 4210 / Refer to Catalog 4210CT9701
Voltage Transformers: Obsolete—January 1, 2023
These voltage transformers are designed for line-to-line or line-to-ground connection on the primary voltage indicated. See Voltage Transformers, UR/cUR Recognized, 60 Hz to determine the applicable configuration for proper system voltage indication.
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Model 450R—designed for switchboard use. This model features high accuracy and burden capacity for excellent performance in metering and indication.
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Model 460R—a compact, lightweight design, providing exceptional performance in indicating applications.
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Model 470R—a compact, low cost design optimized for maximum accuracy and performance when used with PowerLogic™ circuit monitors.
Voltage Transformers, UR/cUR Recognized, 60 Hz
|
Model 450R Thermal Rating: Accuracy 0.3W. X.M & Y: 1.2 Z |
Model 460R Thermal Rating: Accuracy 0.6W: 1.2 X |
Model 470R Thermal Rating: Accuracy 0.3W: 1.2 X |
System Voltage |
Winding Ratio |
|---|---|---|---|---|
|
Catalog Number |
Catalog Number |
Catalog Number |
||
|
450R069 |
460R069 |
470R069 |
69/120Y 120/208Y 120/208Y 240/416Y 288/500Y[1] |
0.58:1 1:1 1.73:1 2:1 2.4:1 |
|
450R380 |
460R380 |
470R380 |
300/520Y 220/380Y 480/480Y[2] 600/600Y |
2.5:1 3.17:1 4:1 5:1 |
|
Model |
Dimensions (inches) |
|||
|---|---|---|---|---|
|
A |
B |
C |
||
|
450R 460R 470R |
6 4–3/4 4–3/4 |
7–1/8 4–1/2 4–1/2 |
5–7/8 3–7/8 3–7/8 |
|
Obsolete—January 1, 2023 Current Transformers
Dimensions for Models 2NR, 5NR, 54R, and 7RL
|
Model |
Dimensions (inches) |
||||||
|---|---|---|---|---|---|---|---|
|
A |
B |
C |
D |
E |
|||
|
2NR 5NR 54R 7RL |
1.13 1.56 1.56 2.25 |
2.38 3.50 3.50 4.38 |
— — 4.56 — |
.94 1.06 1.06 1.38 |
— — 4.00 — |
||
General Purpose Compact Units, UR/cUR Recognized
|
Window Size |
Catalog Number (without brackets) |
Current Rating (Amperes) |
VA 60 Hz |
VA 400 Hz |
Accuracy (At Rated Current) |
Rating Factor 30 oC Ambient |
|---|---|---|---|---|---|---|
|
1-1/8 |
2NR121 |
50:5 60:5 75:5 80:5 100:5 120:5 125:5 150:5 200:5 250:5 300:5 |
1.0 1.0 1.5 1.5 2.0 2.5 2.5 2.5 2.5 2.5 2.5 |
2.0 2.0 3.0 3.0 4.0 5.0 5.0 5.0 5.0 5.0 5.0 |
= 2% = 2% = 2% = 2% = 1% = 1% = 1% = 1% = 1% = 1% = 1% |
1.0 |
|
1-9/16 |
100:5 150:5 200:5 250:5 300:5 400:5 500:5 600:5 |
2.0 2.5 5.0 5.0 5.0 12.5 12.5 25.0 |
4.0 5.0 12.5 12.5 12.5 25.0 25.0 50.0 |
= 1% |
1.0 |
|
|
1-9/16 |
54R251 54R301 |
100:5 150:5 200:5 250:5 300:5 400:5 500:5 600:5 |
2.0 2.5 5.0 5.0 5.0 12.5 12.5 25.0 |
4.0 5.0 12.5 12.5 12.5 25.0 25.0 50.0 |
= 1% |
1.0 |
|
2-1/4 |
50:5 100:5 150:5 200:5 250:5 300:5 400:5 500:5 600:5 750:5 800:5 1000:5 1200:5 1500:5 |
2.5 2.5 2.5 5.0 5.0 5.0 12.5 12.5 12.5 12.5 12.5 25.0 25.0 25.0 |
5.0 5.0 5.0 10.0 10.0 10.0 25.0 25.0 25.0 25.0 25.0 50.0 50.0 50.0 |
= 1% |
1.5 |