Sm6 Series Moulded Case Circuit Breaker

• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Electric Type
• Speed: High-Speed Circuit Breaker
• Arc-extinguishing Medium: Air
• Installation: Fixed
• Structure: Moulded Case Circuit Breaker
• Model NO.: SM6
• Poles Number: 4
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker
• Transport Package: Carton
• Trademark: ELECAL
• Origin: Wenzhou

Product Description

1.Application
SM6 Series Moulded Case Circuit Breaker is available in two frame sizes from 25 to 800amps, loadline series of moulded case circuit breakers provide overload and short-circuit pro-tection for the full range of transformer sizes encountered in normal service. The overload andinstantaneous tripping elements, adjustable over all wide band, make these MCCBs ideal formany distribution application.

2. Specification

Type	SM6-100	SM6-160	SM6-250	SM6-400	SM6-630	SM6-800
Poles number	1,3	3	3	3	3	3
Rated current In(A)	25,32,40,50,60,80,100	125,160	160,200250	300,400	500,630	700,800
Rated insulation voltage Ui(V)	AC500	AC660	AC660	AC660	AC660	AC660
Utilisation category	A	A	A	A	A	A
Rated ultimate short-circuit breaking capacity Icu(KA) at 415V	25	65	65	65	65	65
Rated short-circuit service breakingcapacity Ics(%Icu) at 415V	75%	75%	75%	75%	75%	75%

Tripping Elements
Overload front adjustable 0.7-1.0 times rated current
Instantaneous: non-adjustable AA 25~63=400A
AA 80~250=10In
Switch Disconnector
Current rating In(A): 250 3pold