GE 745 Instruction Manual page 31

CHAPTER 2: OVERVIEW
Note
NOTE
745 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
Seal: ......................................................................Seal provision
Door:.....................................................................Dust tight door
Panel: ...................................................................Panel or 19-inch rack mount
Weight (case and relay): .............................18 lbs., 6 oz. (8.4 kg)
IP class:................................................................X0
PRODUCTION TESTS
Thermal:..............................................................operational test at ambient then increasing to 60°C
Dielectric strength: ........................................(order code 'LO') 550 VAC for 1 second
TYPE WITHSTAND TESTS
The following table lists the 745 type tests:
Standard
GE Multilin Temperature Cycling
IEC 60068-2-30 Relative Humidity Cyclic
IEC 60068-2-38 Composite Temperature/Humidity
IEC 60255-5 Dielectric Strength
IEC 60255-5 Impulse Voltage
IEC 60255-21-1 Sinusoidal Vibration
IEC 60255-22-1 Damped Oscillatory Burst, 1 MHz
IEC 60255-22-2 Electrostatic Discharge: Direct
IEC 60255-22-3 Radiated RF Immunity
IEC 60255-22-4 Electrical Fast Transient / Burst Immunity
IEC 60255-22-5 Surge Immunity
IEC 60255-22-6 Conducted RF Immunity, 150 kHz to 80 MHz
IEC 60255-25 Radiated RF Emission
IEC 60255-25 Conducted RF Emission
IEC 60529 Ingress of Solid Objects and Water (IP)
IEC 61000-4-8 Power Frequency Magnetic Field Immunity
IEC 61000-4-9 Pulse Magnetic Field Immunity
IEC 61000-4-11 Voltage Dip; Voltage Interruption
IEEE C37.90.1 Fast Transient SWC
IEEE C37.90.1 Oscillatory Transient SWC
APPROVALS
ACA:.......................................................................Tick mark
CE:..........................................................................Conforms to IEC 1010-1 / EN 50082-2
EN: .........................................................................EN 50623
FCC:.......................................................................Part 15; RF Emissions for North America
IEC:.........................................................................IEC 1010-1
UL:..........................................................................UL listed for the USA and Canada, E83849
It is recommended that all relays must be powered up once per year, for one hour
continuously, to avoid deterioration of electrolytic capacitors and subsequent relay
failure.
(order code 'HI') 2200 VAC for 1 second
Test Name
RF Emissions for Australia
EMC - CE for Europe
LVD - CE for Europe
SPECIFICATIONS
Level
–50°C to +80°C
55°C at 95% RH
65/–10°C at 93% RH
2000 VAC
5 kV
2 g
2.5 kV / 1 kV
8 kV
10 V/m
4 kV
4 kV / 2 kV
10 V/m
Group 1 Class A
Group 1 Class A
IP40 (front), IP20 (back)
30 A/m
1000 A/m
0%, 40%, 100%
4 kV / 4 kV
2.5 kV / 2.5 kV
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