CEM15 Moulded Case Circuit Breaker
Moulded Case Circuit Breaker


Application
      CEM15 series moulded case circuit breaker is suitable for the circuit of AC 50Hz(or 60Hz),rated insulation Voltage 660V, rated operating Voltage under AC 660V,250V(DC), rated operating current 10-800A.It is for distributing energy of electricity and infrequent switch-over under normal conditions. The MCC B rated current under 400A.They are provided with the function of the protection against over-load and short circuit and undervoltage . The MCCB complies with standard of I EC947-2.
Tripping Characteristics

Rated Current of
Re lea se (A)

Thermal Dynamic Release(ambient temp+40°C)

Operational Current
of Magnetic
Release(A)

1.0 5In(co Id state) Inoperative Time(h)

1.30In(heat state) Inoperative Time(h)

In≤63 ≥1 <1 10-50In±20%
63<In≤250 ≥2 <2 10In±20%
25<In≤800 ≥2 <2 5-10In±20%
Specifications
Type Rated Current
(A)
Rated
Insulation
Voltage

Pole


No.
Rated
Operating
Voltage
Ultimate Short Circuit
Breaking
Capacity Lcu KA
Service Short Circuit Breaking Capacity Lcu KA
AC380V(400) AC660V(690) DC250 AC380V(400) AC660V(690)
CEM15-125E 12.5,16,20,25,
32,40,50,63,
80,100,125
660V 2P
3P
4P
380V
660V
15 - - 7.5 -
CEM15-125S 25 - 20 16 -
CEM15-160S 16,20,32,40,
50,63,80,100,
125,160
35 8 20 18 -
CEM15-160H 50 10 40 25 -
CEM15-250S 100,125,160,
180,200,225,
250
35 10 40 18 -
CEM15-250M 50 16 40 30 -
CEM15-250H 65 18 40 48 -
CEM15-400S 200,225,
250,315,
350,400
35 16 40 18 -
CEM15-400M 50 20 40 30 -
CEM15-400H 65 25 40 48 -
CEM15-630S 400,500,
630
50 20 40 30 -
CEM15-630M 65 25 40 48 -
CEM15-630H 80 30 40 60 -
CEM15-800S 500,630,
700,800
50 20 40 30 -
CEM15-800M 65 25 40 48 -

CEM15-800H

80 30 40 60 -
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