Outputs - GE 745 TRANSFORMER MANAGEMENT RELAY Instruction Manual

1 PRODUCT OVERVIEW
Analog Outputs (7)
Output Range:
Maximum Load:
Isolation:
Accuracy:
Solid State Output
Maximum Ratings:
Output Relays
Configuration:
Contact Material:
Max Ratings:
RELAYS: 2-5 TRIP
VOLTAGE MAKE/CARRY
CONTINUOUS
DC 30 V DC 20 A
Resistive
125 V DC 20 A
250 V DC 20 A
DC 30 V DC 20 A
Inductive
125 V DC 20 A
L/R = 40 ms
250 V DC 20 A
AC 120 V AC 20 A
Resistive
240 V AC 20 A
AC Inductive 120 V AC 20 A
PF = 0.4
240 V AC 20 A
COMMUNICATIONS
All Ports:
CLOCK
Resolution:
Accuracy
Backup Battery Life:
HARMONICS
Individual
THD
OPERATING ENVIRONMENT
Operating Temperature Range: –40 ° C to +60 ° C
Ambient Storage Temperature: –40 ° C to +80 ° C
Humidity:
Altitude:
Pollution degree:
GE Power Management
0-1 mA, 0-5 mA, 0-10 mA, 0-20 mA, or 4-20 mA
0-1 mA: 10 kΩ
4-20 mA: 600 Ω
Fully isolated
± 1% of full scale
Make & Carry 15 A at 250 V DC for 500 ms
2-5 TRIP: Form A (breaker trip rated)
6-8 AUXILIARY: Form C
9 SELF-TEST: Form C
silver alloy
300 V AC, 250 V DC, 15 A, 1500 VA
MAKE/ BREAK MAX
CARRY 0.2s LOAD
40 A 10 A 300 W
40 A 0.8 A 300 W
40 A 0.4 A 300 W
40 A 5 A 150 W
40 A 0.3 A 150 W
40 A 0.2 A 150 W
80 A 20 A 5000 VA
80 A 20 A 5000 VA
80 A 8 A 5000 VA
80 A 7 A 5000 VA
300 to 19200 baud, programmable parity, Modbus RTU protocol, DNP
1 ms
with IRIG-B: ±1 ms
without IRIG-B: ±1 minute/month
10 years continuous use
Range: 0.00 to 99.9%
±1% of Full Scale @ 0.5 x CT
Accuracy:
Range: 0.00 to 99.9%
±1% of Full Scale @ 0.5 x CT
Accuracy:
up to 90% non-condensing
2000 m
II
745 Transformer Management Relay
1.2 TECHNICAL SPECIFICATIONS
RELAYS: 6-8 AUXILIARY, 9 SELF-TEST
VOLTAGE MAKE/CARRY
CONTINUOUS
DC 30 V DC 10 A
Resistive
125 V DC 10 A
250 V DC 10 A
DC 30 V DC 10 A
Inductive
125 V DC 10 A
L/R = 40 ms
250 V DC 10 A
AC 120 V AC 10 A
Resistive
240 V AC 10 A
AC Inductive 120 V AC 10 A
PF = 0.4
240 V AC 10 A

1.2.4 OUTPUTS

MAKE/ BREAK MAX
CARRY 0.2s LOAD
30 A 10 A 300 W
30 A 0.5 A 62.5 W
30 A 0.3 A 75 W
30 A 5 A 150 W
30 A 0.25 A 31.3 W
30 A 0.15 A 37.5 W
30 A 10 A 2770 VA
30 A 10 A 2770 VA
30 A 4 A 480 VA
30 A 3 A 750 VA
1-9
1