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Xinchi Electric Co., Ltd.

Earth Leakage Mccb, Elcb Mccb 400a, Elcb Breaker 250a manufacturer / supplier in China, offering Earth Leakage Circuit Breaker (SM1L Series), 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 Earth Leakage Circuit Breaker (SM1L Series)

Earth Leakage Circuit Breaker (SM1L Series)

FOB Price: Get Latest Price
Min. Order: 10 Pieces
Production Capacity: 500/Week
Transport Package: Standard Carton
Payment Terms: L/C, T/T, Western Union, Paypal

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Basic Info
  • Breaking Capacity: Low Voltage Circuit Breakers
  • Speed: Normal Type Circuit Breaker
  • Installation: Fixed
  • Certification: CE
  • Certificate: CE-LVD, RoHS
  • Rated Working Current: 12.5 to 1250A
  • Brand Name: Suntree
  • Rated Insulating Voltage: 950V
  • Type: Circuit Breaker
  • Specification: 100~1600
  • HS Code: 853620000
  • Operation: Manual Type
  • Arc-extinguishing Medium: Air
  • Structure: Moulded Case Circuit Breaker
  • Rated Working Voltage: 690V
  • Model: Cm1 Erath Leakage MCCB
  • Poles Number: 3p, 4p
  • Frequency: AC 50Hz (60Hz)
  • All Standard: Iec947-2
  • Trademark: suntree
  • Origin: Zhejiang China
Product Description
SM1L series earth leakage circuit breaker are one of the new type earth leakage breaker switch have been developed by the company using international advanced design and manufacturing technology. Suitable for a line of AC50Hz/60Hz, rated voltage up to 400V, rated current16A to 630A. And is acted as infrequent changeover of circuit or infrequent starting of motor. The breaker has overload, short-circuit and under-voltage protective function, which can protect the circuit and the power equipment against damage, meanwhile, it can provide protection to these fire dangers that caused by these long-time existed grounding fault that can not be detected by the over-current protection.

This breaker can be installed vertically(upright) or horizontally(transverse). Wiring of the breaker can not be in adverse direction, that means power supply line must be connected to terminal 1, 3 and 5, and the load line connected to terminal 2, 4 and 6. The rated residual operating current In and the maximum breaking time can be adjusted on site according to practical condition.

The leakage protection module still can work normally when the phase voltage reduce to 50V. It has the same overall size with the CM1 series breakers, which make the installation more exchangeable.

The breakers are suitable for isolation, its symbol are: The breakers comply with the demands of the following standards: IEC60947-1 and GB/T 14048.1GeneralIEC60947-2 and GB 14048.2Low voltage breakersIEC60947-4 and GB 14048.4Contactors and motor startersIEC60947-5.1 and GB 14048.5Electrical equipments of electromechanical control circuit
Type SM1L-100 SM1L-225 SM1L-400
Frame  Current  Inm(A) 100 225 400
Rated  current  In(A) (10)16,   20,   25,   32,   40,   50,   63,   80,   100 100,   125,   160,   180,   200,   225 225,   250,   315,   350,   400
Pole  Number 3 4 3 4 3 4
Rated  Insulation  Voltage  Ui(V)   AC800
Rated  Working  voltage  Ue(V)   AC  400V
Rated  impulse  with  stand  voltage  Uimp(V)   8000
Arc-over  Distance(mm)   >   50
Breaking  capacity  grade M H   M H   M  
Limiting  short-circuit  breaking  capacity  lcu  (kA) AC400V 50 85 50 50 85 50 65
Service  short-circuit  breaking  capacity  lcs(kA) AC400V 35 50 35 35 50 35 42
Rated  residual  operating  current  I    n(mA) Non-delay  type   100/300/500
  Delay  type   100/300/500
Rated  residual  nonoperatingcurrent  I  no(mA)   1/2  I  n
Operation  performance  (time) Electrified 1500 1000 1000
  Unelectrified 8500 7000 4000
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