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Elecal Electric Appliance Co., Ltd.

Circuit Breaker, Switch, Sm1 manufacturer / supplier in China, offering Sm12 Series Moulded Case Circuit Breaker, Mini Circuit Breaker (DZ47-63 1P), Austand Distribution Box with Single Door (30ways) and so on.

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Sm12 Series Moulded Case Circuit Breaker

FOB Price: US $1 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1/ Piece
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Port: Ningbo, China
Transport Package: Carton
Payment Terms: T/T

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Basic Info
  • Model NO.: SM12
  • Operation: Electric Type
  • Arc-extinguishing Medium: Air
  • Structure: Moulded Case Circuit Breaker
  • Type: Circuit Breaker
  • Trademark: ELECAL
  • Breaking Capacity: High Voltage Circuit Breakers
  • Speed: High-Speed Circuit Breaker
  • Installation: Fixed
  • Poles Number: 4
  • Function: Conventional Circuit Breaker
  • Origin: Wenzhou
Product Description
1.Application

The ELECAL principle of innovation and future security of investment has been implemented by the new circuit-breaker series up to 630A.
Four switches with four universal levels of switching capacity form a comprehensive range, from the competitively priced 25kA for small sub-distribution boards, up to 150kA switching capacity for complex high-power systems. The compact construction of the new small 160A switch saves space as a main switch in machine control schemes, as an incomer in service distribution boards or as an outgoer in power distribution boards. Additional device levels are 300A, the particularly compact 630A circuit-breaker. 

2.Specification
Circuit-breakerSM12-1SM12-2SM12-3
Short-circuit switching capatity Icu =Ics at 415V 
25kAxxx
36kAxxx
50kAxxx
100/150kAx/x/x/
Ranges of application, in A25-16032-300125-630
Number of poles333
Rated voltage, in V690690690
Overload releases   
Thermomagneticxxx
Electronic-xx
Switch-disconnectorPN1/N1PN2/N2PN3/N3
Ranges of application, in A63-160160-250400-630
Number of poles333
Rated voltage, in V690690690
Dimensions in mm Width Height Depth90/120 145 68105/140 184 103140/165 275 120.5

The new range with its compact mounting form features consistency, with the same function, mounting and operation for switches and accessories. All have different, competitively priced releases with thermostatic bimetals or communication-capable digital electronics for a wide range of protective tasks: Both for AC and DC voltage networks ranging from cable protection and motor/generator protection to transformer protection. Applications such as main-, Emergency-Stop and coupling switches can be implemented via the switch-disconnectors up to 630A. 

Highest level of performance in a compact spacel 
 
The circuit-breakers SM12-1 and SM12-2 can be loaded with up to 160A/300A rated current and safely switch off short-circuit currents up to 150kA even with their narrowest design.
ldeas for greater performance-the contact system, for example
 
Innovative switching technology with a double-break contact system speed up the switching process. In the event of a short circuit, the special shape and materials selected produce repel-ling magnet power that pushes the contacts apart in a fraction of a sine wave. Switching capaci-ties up to 150kA and operational voltages up to 690V can be managed without difficulty. The simultaneous reduction in heat dissipation creates benefits for use in control panels.
Sm12 Series Moulded Case Circuit Breaker
 
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