ELCB TREF4(250A) 4P

TRE series circuit breakers and auxiliaries comply with the following international standard:

IEC/EN 60947-1: Low-voltage switchgear and controlgear-Part 1: General rules

IEC/EN 60947-2: Low-voltage switchgear and controlgear-Part 2: Circuit breakers

TRE series ELCB(Standard use environment for TRE series ELCB)
1. Ambient temperature: Within the range of -5ºC--+40ºC(However, the average for the duration of 24 hours must not exceed 35ºC);
2. Altitude: 2000m or less
3. Installation class: III
4. The magnetic field near the instalation site should not be more than five times the earth magnetic field in any direction.
5. Pollution: II

Classification:
According to the poles:                                        3-poles, 4-poles
According to the breaking capacity:                       S-type, H-type
According to the rated current:                             Fix type, Adjustable type(08In-1.0In)
According to the trip action time:                           Fix type, Adjustable type(0.1s/0.3s/0.5s or 0.45s/1.0s/2.0s)
According to the rated residual current:                 Fix type, Adjustable type(30mA/100mA/300mA/500mA)