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Electrical Features | Mode | Electroic |
Type | B | |
Rated current In | 16,20,25,32,40,50,63A | |
Poles | 2P(1P+N),4P(3P+N) | |
Rated voltage Ue | 2P 240V~,4P 415V~ | |
Insulation voltage Ui | 500V | |
Rated frequency | 50/60Hz | |
Rated residual operating current(In) | 30mA | |
Break time under IΔn | ≤0.1s(S type<0.5s) | |
Rated breaking capacity | 10000A | |
Energy limiting class | 3 | |
Rated impulse withstand voltage(1.5/50)Uimp | 4000V | |
Dielectric test voltage at ind.Freq.for 1min | 2kV | |
Pollution degree | 2 | |
Thermo-magnetic release characteristic | B,C | |
Mechanical Feartures | Electrical life | 4000 Cycles |
Mechanical life | 10000 Cycles | |
Contact position indicator | Yes | |
Protection degree | IP20 | |
Reference temperature for setting of thermal element | 30℃ | |
Ambient temperature (with daily average≤35℃) | -25℃~+55℃ | |
Storage temperature | -25℃~+70℃ | |
Installation | Terminal connection type | Cable/Pin-type busbar/U-type busbar |
Terminal size top/bottom for cable | 25mm2 18-3AWG | |
Terminal size top/bottom for busbar | 25mm2 18-3AWG | |
Tightening torque | 2.5Nm 22In-lbs | |
Mounting | on DIN rail EN60715(35mm) by means of fast clip device | |
Connection | From top | |
Combination with accessories | Auxiliary contact | EKM1-OF |
Alarm contact | EKM1-FB | |
Shune release | EKM1-MX |







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