MZEZD-250/4P
Low Voltage Circuit Breakers
Energy-storage Type
High-Speed Circuit Breaker
Oil-immersed Type
Insert
MCCB
3
Circuit Breaker
Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), RCCB
VDE, ISO9001-2000, CE, CB
Low Voltage Circuit Breaker
Overvoltage, Overload, Overtemperature
Copper
Yes
MINGZHE
Carton
30*30*50cm
China
8535299000
Product Description
MZEZD MCCB
High quality 3P EZC100F Compact Moulded Case Circuit Breaker 100amp MCCB Circuit Breaker,EZC series of MCCB are used in distribution network of AC50/60Hz, rated operational voltage 440V and rated current from 15A to 630A. It is used for distributing power and protecting circuit, power and electrical equipment from overload and short-circuit damage, which will improve the reliability and continuity of power supply.
Electrical characteristics as per IEC60947 , EN60947-2 and JIS C8201-2-1
Working conditions of MCCB
1. Not over altitude 2000m;
2. Ambient temperature is between-25°C and +40°C ; Working in the medium which not any explosive, not enough dielectric to corrode metal, no gas to damage insulation and electric conduction dust;
3. Working in the place would not be invaded by rain and snow; 3. Pollution degree3;
4. Mounting type.
Classification of MCCB
1) According to using: distribution circuit protection type, motor production type;
2) According to connection mode: front panel connection, back panel connection, plug-in connection;
3) According to operating way: for direct handle operating, for motor operator operating, for rotary handle operating.
4) According to the number of pole: 3,4 pole.
5) According to the accessory: with accessory setting, and without accessory setting.
Item No.+A14:H26A14:G2A14:F30 | MZEZD100 | MZEZDEZC 250 | MZEZDEZC 400 | MZEZDEZC 630 | |
Number of poles | 1P,2P,3P,4P | 3P,4P | 3P,4P | 3P,4P | |
Rated current(A) | In | 15,16,20,25,30,32,40,45,50,60,75,80,100 | 100,125,160,175.200,225.250 | 250~400 | 400~630 |
Connections | Fixed | Front connections/rear connections | |||
Rated insulation voltage(V) | Ui | 690V | |||
Rated impulse withstand voltage(KV) | Uimp | 6kV | |||
Rated operational voltage(V) | Ue | AC 50/60Hz, 550V | |||
DC125V DC250V | |||||
Breaking capacity levels(Icu) | AC50/60HZ 110/130V 220V/230/240V 380V 400/415V 550V | B(10ka) F(25ka) N(50ka) H(85ka) | F(25ka) N(50ka) H(85ka) | N(50ka) H(85ka) | N(50ka) H(85ka) |
DC 125V(1p) 250V (2P ) | F(5ka) N(5ka) H(10ka) | F(5ka) N(20ka) H(30ka) | N(20ka) H(30ka) | N(20ka) H(30ka) | |
Rated service breaking capacity Ics %Icu | 110-400V | B(25%) F(50%) N(50%) H(50%) | F(50%) N(50%) H(50%) | N(50%) H(50%) | N(50%) H(50%) |
415-550V | B(25%) F(50%) N(50%) H(50%) | F(50%) N(50%) H(50%) | N(50%) H(50%) | N(50%) H(50%) | |
Suitability for Isolation | |||||
Endurance(C-O cycles) | Mechanical | 10000 | 8500 | 8000 | 6000 |
Electrical 440V | 2000 | 1500 | 1000 | 1000 | |
Utilisation category | A | ||||
Pollution degree | 3 | ||||
Release | Thermal magnetic | Thermal magnetic | Thermal magnetic | Electronic | |
SHT shut release | 24V, 220V, 380V | ||||
Dimensions(mm) | 1P:130*25*81 | ||||
2P:130*50*81 | 3P:165*105*85.5 | 3P:255*140*168 | |||
3P:130*75*81 | 4P:165*140*85.5 | 3P:257*140*146 | 4P:255*185*168 | ||
4P:130*100*81 |





