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