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.
◆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 MCCB 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 IEC947-2
◆Tripping Characteristics
Rated Current of | Thermal Dynamic Release(ambient temp+40 ) | Operational Current | |
1.0 5ln(cold state) | 1.30ln(heat state) | ||
In ≤ 63 | ≥1 | <1 | 10-50ln ± 20% |
63 < In≤250 | ≥2 | <2 | 10ln ±20% |
25 < In≤800 | ≥2 | <2 | 5-10ln ± 20% |
◆Specifications
Type | Rated Current (A) | Rated Insulation Voltage | Pole No. | Rated Operating Voltage | Ultimate Short Circuit | Service Short Circuit | |||
AC380V | AC660V | DC250 | AC380V | AC660V | |||||
CEM15-125E | 12.5,16, | 660V | 2P | 380V | 15 | - | - | 7.5 | - |
CEM15-125S | 25 | - | 20 | 16 | - | ||||
CEM15-160S | 16,20,32, | 35 | 8 | 20 | 18 | - | |||
CEM15-160H | 50 | 10 | 40 | 25 | - | ||||
CEM15-250S | 100,125,160, | 35 | 10 | 40 | 18 | - | |||
CEM15-250M | 50 | 16 | 40 | 30 | - | ||||
CEM15-250H | 65 | 18 | 40 | 48 | - | ||||
CEM15-400S | 200,225,250, | 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 | - | ||||
