Gold Member Since 2007
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Xinchi Electric Co., Ltd.

Circuit Breaker Mccb, Cm1 Circuit Beaker, Mccb manufacturer / supplier in China, offering Moulded Case Circuit Breaker with lock (SM1-400), Sq5 ATS Change-Over Switch 3200A Automatic Transfer Switch for Generator, Solar DC Circuit Breaker DC1000V 4 Pole 6A-63A DC MCB and so on.

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Supplier Homepage Product MCCB Moulded Case Circuit Breaker with lock (SM1-400)

Moulded Case Circuit Breaker with lock (SM1-400)

FOB Price: Get Latest Price
Min. Order: 1 Piece
Production Capacity: 1000/Week
Transport Package: Standard Carton
Payment Terms: L/C, T/T, Paypal, Western Union

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Basic Info
  • Breaking Capacity: Low Voltage Circuit Breakers
  • Speed: Normal Type Circuit Breaker
  • Installation: Fixed
  • Certification: ISO9001-2000, CE, CCC
  • Certificate: CE-Lvd, RoHS
  • Poles Number: 3p, 4p
  • Frequency: AC 50Hz (60Hz)
  • All Standard: Iec947-2
  • Function: Circuit-Breaker Failure Protection
  • Specification: 100~1250
  • HS Code: 853620000
  • Operation: Manual Type
  • Arc-extinguishing Medium: Air
  • Structure: Moulded Case Circuit Breaker
  • Rated Working Voltage: 690V
  • Rated Working Current: 12.5 to 1250a
  • Brand Name: Suntree
  • Rated Insulating Voltage: 950V
  • Type: Circuit Breaker
  • Trademark: suntree
  • Origin: Zhejiang China
Product Description
SM1 Circuit Breaker:

Detailed Product Description

SM1 Circuit breaker 100A-1600A
1. The best quality
2. The price that has competitiveness
3. CE ISO9000 authenticatio

SM1 100A-1600A, (CM1-3P/4P)

Product Description
1) SM1 series molded case circuit breaker is a new type of breaker which adopts the international advanced design, and manufacturing technology
2) Its contact and arc suppression system adopt revolving double cot-off point design so as to improve breaking capability
3) Its tripper has thermo magnetic trip and electric trip
4) Rated insulating voltage: 950V
5) Frequency: AC 50Hz (60Hz)
6) Rated working voltage: 690V or below
7) Rated working current: 12.5 to 1250A
8) Used in distributing energy of electricity, infrequent making and breaking in the normal conditions and protecting when circuit and installation are overload, short circuit and lacking voltage
Rated current of release(A) Thermodynamic release(ambient temp+40)
Operational current of magnetic release(A)
1.05In(cold state) inoperative time(h) 1.30In(heat state)
inoperative time(h)
In≤ 63 ≥ 1 < 1 10In± 20%
63< In≤ 100 ≥ 2 < 2 10In± 20%
100< In≤ 630 ≥ 2 < 2 5-10In± 20%


Rated current of release(A)

Thermodynamic release(ambient temp+40)
Operational current of magnetic release(A)
1.0In(cold state) inoperative time 1.2In(heat state) inoperative time 1.50In(heat state) inoperative time 7.2In(heat state) inoperative time
12.5≤ In≤ 400 ≥ 2h < 2h ≤ 4min 2S< Tp≤ 10S 12In± 20%
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