Moulded Case Circuit Breaker 4-Pole NM8(S), Chint

General
Certificates: CE, DNV, KEMA, ESC, UKrSEPRO, GOST, RCC;
Electric ratings: AC50/60Hz, AC220V~690V DC250V~500V, 16A~1250A;
Standard: IEC/EN 60947-2
Operation Conditions
Temperature: -5 ℃~+40 ℃; the average value within 24h shall not exceed +35 ℃ ; for the circuit breaker with thermo-magnetic release, +40 ℃ is set to be the standard temperature for ratings. Special utilization, please refer to coefficients indicated on page 21 for temperature compensation correction;
Altitude: ≤2000m;
Pollution grade: Grade 3;
Air conditions: At mounting site, relative humidity not exceed 50% at the max temperature of +40 ℃ , higher relative humidity is allowable under lower temperature. For example, RH could be 90% at +20 ℃ , special measures should be taken to occurrence of dews.