Customization: | Available |
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Breaking Capacity: | Low Voltage Circuit Breakers |
Operation: | Electric Type |
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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
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 |
ONCCY Electrical Co, Ltd as Professional Electrical Components Manufacturer for Solar PV, Battery Energy Storage and EV Charging System. 30+Years Of Production Experience and Service.ONCCY Electrical Co, Ltd main products are including DC and AC circuit breaker (MCB), DC and AC isolation switch DC molded case circuit breaker (MCCB), DC fuse, DC lighting surge protector (SPD) and so on.