Gold Member Since 2015
Audited Supplier
Elecal Electric Appliance Co., Ltd.

Circuit Breaker, Switch, Sm8 manufacturer / supplier in China, offering Sm8 Series Moulded Case Circuit Breakers, Elecal Panel Meter, MCB Circuit Breaker (DZ47-63 4P) and so on.

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Sm8 Series Moulded Case Circuit Breakers

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.: SM8
  • 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
SM8 series MCCB is one of new products developed and manufactured by adopting international advanced technology. It is supplied with rated insutating voltage 690V and used for circuit of AC 50/60Hz, rated operating voltage AC 415V or below, rated opereating current from 16A to 630A. It is designed for protection of electric circuit, motors, transformers and other equipments. The products conforms to IEC60947-2 standard.


2. Specification
TypeSM8-160XSM8-160SM8-250SM8-400SM8-630
Poles number33333
Rated current In(A)20~160A50~160A100~250A200~400A315~400A
Rated operating voltage Ue(V) AC 50/60Hz690690690690690
Rated insulation voltage Ui(V)800800800800800
Rated impulse withstand voltage Uimp(KV)88888
Utilisation categoryAAAAA
Rated ultimate short-circuit breaking capacityIcu(KA)AC 220/240V6565656565
 AC 380/415V4040404040
 AC 690V812121212
Rated short-circuit servicebreaking capacityIcs(KA)AC 220/240V6565656565
 AC 380/415V4040404040
 AC 690V46666

Thermomagnetic
T(thermal)
M(maghetic)
 
SM8-160XSM8-160SM8-250
InT adjustable
(0.8~1.0In)
M
fixed
InT adjustable
(0.8~1.0In)
M adjustableInT adjustable
(0.8~1.0In)
M adjustable
20A16~20A300A50A40~50A300~600A200A160~200A1000~2000A
32A25~32A300A63A50~63A300~600A250A200~250A1200~2500A
40A32~40A600A80A63~80A400~800A   
50A40~50A600A100A80~100A500~1000A   
63A50~63A600A125A100~125A625~1250A   
80A63~80A1000A160A125~160A800~1600A   
100A80~100A1000A      
125A100~125A1000A      
160A125~160A1500A      


 
SM8-400SM8-630
InT adjustable(0.8~1.0In)M adjustableInT adjustable(0.8~1.0In)M adjustable
200A160~200A1000~2000A315A250~315A1575~3150A
250A200~250A1200~2500A400A315~400A2000~4000A
315A250~315A1575~3150A500A400~500A2500~5000A
400A315~400A2000~4000A630A500~630A3250~6500A

3. Outline and Installation Dimension
Sm8 Series Moulded Case Circuit BreakersSm8 Series Moulded Case Circuit Breakers
 
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