EZD series of MCCB -Moulded Case Circuit Breaker are used in distribution network of AC 50/60Hz, 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 improve the reliability and continuity of power supply.
The breaking capacity covers the common breaking in Level II power distribution areas and electromechanical market: 25KV, 36KV and 50KV. Including 1P, 2P, 3P and 4P products.
Comprehensive range of protection, including low-voltage distribution systems protection, motor protection and earth leakage protection.
♦ IEC947-1: General rules
♦ IEC947-2: Circuit breakers
♦ IEC947-4: Contactors and motor starts
♦ IEC947-5.1: Control circuit devices and switching elements; automatic control components.
Item No. | EZD100 | EZD250 | |
Number of poles | 1P, 2P, 3P, 4P | 3P | |
Control | Manual | with toggle | |
with direct or extended rotary handle | |||
Connections | Fixed | front connections/rear connections | |
Electrical characteristics as per IEC60947-2 and EN60947-2 | |||
Rated current(A) | In | 15, 20 , 25, 32, 40, 50 , 63, 75, 80, 100 | 100, 125, 150, 160, 175, 200, 225, 250 |
Rated insulation voltage(V) | Ui | 690V | |
Rated operating voltage(V) | Ue | AC50/60Hz, 440V | |
Rated impulse withstand voltage(kV) | Uimp | 6kV | |
Utilization category | A | ||
Endurance(C-O cycles) | Mechanical | 10000 | 8500 |
Electrical 440V | 2000 | 1500 | |
Protection | |||
Overload protection | Bimetal | * | * |
Instantaneous protection | Magnetic | * | * |
Auxiliaries | |||
Indication contacts | AX | * | * |
AL | * | * | |
AXAL | * | * | |
Voltage releases | SHT | * | * |
UVR | * | * | |
Dimensions(mm) | D X H X W | 1P 60 X 130 X 25 | 60 X 165 X 105 |
2P 60 X 130 X50 | |||
3P 60 X 130 X 75 | |||
4P 60 X 130 X 100 |
For more types please contact us freely
“BOERSTN ELECTRIC" is engaged in manufacturing,development,service ,solution,maintenance & marketing of H.V./L.V. power distribution equipments,switchgears,transformers,substations.and electrical devices .for all over the world.
As a leading & professional manufacturer in China,we mainly manufacture below items and supply their electrical accessories:
· H.V.& L.V.switchgears
· Power Distribution Board (PDB)
· M.V solid insulated switchgears (SIS)
· compact substations /Package substation/kiosk substation
· single phase & three phase pad mounted transformers(PMT)
· Gas insulated switchgears(GIS)
· Cable Brach box
· Ring main units (RMU)
· Oil-immersed transformers and dry type transformers
· Vacuum circuit breakers (VCB),Air circuit breakers(ACB),vacuum switch,vacuum contactors.
Persona di contatto : | Joyce Wang |
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