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AC Circuit Breaker B/C/D curve 2P/3P/4P 415V~500V 63A 7.5KA

Product Benefits

  • Choice to use Bus bar or cable in the same terminal, provides reliable connection.
  • Two step snapping mechanism for easy & efficient mountion in 35mm DIN Rail steadily.
  • Clear indication of the ON/OFFswitch status.
  • IEC 60898 10KA
  • MCB can 100% pass 10KA
  • Over 20,000 cycles ,mechanical and electrical endurance operation
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Description

ESM1-63(10KA) MCB is the main protection system for all low voltage electrical installations. Installed in each electrical switchboard, it prevents the spread of overvoltages in the electrical installations and protects the loads.

 

Product Benefits 

  • Choice to use Bus bar or cable in the same terminal, provides reliable connection.
  • Two step snapping mechanism for easy & efficient mountion in 35mm DIN Rail steadily.
  • Clear indication of the ON/OFFswitch status.
  • IEC 60898 10KA
  • MCB can 100% pass 10KA
  • Over 20,000 cycles ,mechanical and electrical endurance operation

 

Technical Data

Electrical Features
Rated current (In) 1-63A
Pole 1P 2P 3P 4P
Rated voltage (Ue) 1P: 240/415V~     2/3/4P:415~
Insulation voltage (Ui) 500V
Rated frequency 50/60Hz

 

Overload Current Protection Characteristics
Test Procedure Type Test Current Initial State Tripping or Non-tripping Time Limit Expected Result Remark
A B.C.D 1.13In Cold t≤1h no tripping
 

B

 

B.C.D

 

1.45In

 

After test A

 

t≤1h

 

tripping

The current steadily

rise to the specified value within 5s

C B.C.D 2.55In Cold 1s<t<60s(In≤32A)   1s<t<120s(In>32A) tripping
 

D

B 3In  

Cold

 

t≤0.1s

 

no tripping

Turn on the auxiliary

switch to close the current

C 5In
D 10In
 

E

B 5In  

Cold

 

t≤0.1s

 

tripping

Turn on the auxiliary

switch to close the current

C 10In
D 20In

 

Installation
Contact position indicator Yes
Protection degree IP20
Reference temperature for setting of thermal element 30°C
Ambient temperature -5~+40°C and its average over a period of 24h does not exceed +35°C
Storage temperature -25~+ 70°C
Terminal connection type Cable/U-type busbar/Pin -type busbar
Terminal size top/bottom for cable 25mm2
Tightening torque 2.5N.m
Mounting On DIN rail FN 60715 (35mm) by means of fast clip device
Connection Top and bottom

 

 

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