GE 745 TRANSFORMER MANAGEMENT RELAY Instruction Manual page 22

1.2 TECHNICAL SPECIFICATIONS
CASE
Fully drawout unit (automatic CT shorts); Seal provision; Dust tight door; Panel or 19" rack mount
1
Weight (case & relay):
IP class:
PRODUCTION TESTS
Thermal:
Dielectric Strength:
TYPE WITHSTAND TESTS
Fast Transient:
Insulation Resistance:
Dielectric Strength:
Surge Immunity:
Voltage Dips:
Electrostatic Discharge:
Power Frequency/
Magnetic Field Immunity:
Damp Heat (Cyclic Humidity)
Temperature Cycle:
Mechanical Stress
Make and Carry Rating
Current Withstand:
RFI Radiated Immunity:
RFI Conducted Immunity:
RFI Conducted/Radiated
Emission:
APPROVALS
CSA:
CE:
UL:
ISO:
It is recommended that all 745 relays be powered up at least once per year to avoid deteriora-
tion of electrolytic capacitors in the power supply.
NOTE
1-10
18 lbs., 6 oz.
X0
Operational test at ambient then increasing to 60 °C
Per IEC 255-5 and ANSI/IEEE C37.90
On CT inputs, VT inputs, Control Power inputs, Switch inputs, and Relay outputs
(2 kV for 1 second)
per ANSI/IEEE C37.90.1 (5 kV)
per IEC 255-22-4 (4 kV)
per IEC 255-5 (500 V DC, 2000 MΩ)
per IEC 255-5 and ANSI/IEEE C37.90 (2 kV at 60 Hz for 1 minute)
per EN 61000-4-5 (common mode 4 kV, differential modes 2 kV)
per ANSI/IEEE C37.90.1, IEC 255-22-1, and Ontario Hydro A-28M-82
per IEC 1000-4-1 (0%, 40%)
per IEC 255-22-2 (8/15 kV)
per EN 61000-4-8
per IEC 68-2-30 (6 days)
–40°C, +60°C
2 g
30 A
per ANSI/IEEE C37.90 (40 × rated A for 2 seconds, 80 × rated A for 1 second)
per IEC 255-22-3 (160 MHz, 460 MHz)
per EN 61000-4-3 (10 V/m)
per EN 61000-4-6 (10 V)
per EN 55011 / CISPR 11 FCC Part 15
CSA approved
Conforms to IEC 1010-1 / EN 50082-2
UL approved
Manufactured under ISO9001 registered program
Specifications subject to change without notice.
745 Transformer Management Relay
1 PRODUCT OVERVIEW
GE Power Management