Toshiba GRT100 Series Instruction Manual page 212

Transformer protection relay
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ENVIRONMENTAL PERFORMANCE CLAIMS
Test
Atmospheric Environment
Temperature
Humidity
Enclosure Protection
Mechanical Environment
Vibration
Shock and Bump
Seismic
High Voltage Environment
Dielectric Withstand
High Voltage Impulse
Electromagnetic Environment
High Frequency
Disturbance
Electrostatic Discharge
Radiated RF
Electromagnetic
Disturbance
Fast Transient
Disturbance
Standards
IEC60068-2-1/2
IEC60068-2-78
IEC60529
IEC60255-21-1
IEC60255-21-2
IEC60255-21-3
IEC60255-5
IEC60255-5
IEC60255-22-1 Class 3
IEC60255-22-2 Class 3
IEC60255-22-3
IEC60255-22-4 Class 4
 211 
Details
Operating range: -10C to +55C.
Storage / Transit: -25C to +70C.
56 days at 40C and 93% relative humidity.
IP51 (Rear: IP20)
Response - Class 1
Endurance - Class 1
Shock Response Class 1
Shock Withstand Class 1
Bump Class 1
Class 1
2kVrms for 1 minute between all terminals and earth.
2kVrms for 1 minute between independent circuits.
1kVrms for 1 minute across normally open contacts.
Three positive and three negative impulses of 5kV(peak),
1.2/50s, 0.5J between all terminals and between all
terminals and earth.
1MHz 2.5kV applied to all ports in common mode.
1MHz 1.0kV applied to all ports in differential mode.
6kV contact discharge.
8kV air discharge.
Field strength 10V/m for frequency sweeps of 80MHz to
1GHz and 1.4GHz to 2.7GHz. Additional spot tests at 80,
160, 450, 900, 1850 and 2150MHz.
4kV, 2.5kHz, 5/50ns applied to all inputs.
6 F 2 S 0 7 8 9

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