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1. Application |
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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. |
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| 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% |
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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 |
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3. Outline and Installation Dimension |
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SM6-100/1P |
SM6-250/3P |
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