S Series Moulded Case Circuit Breaker (MCCB)
Application
S series moulded case circuit breaker is suitable for circuit AC 50Hz/60Hz, rated voltage up to AC 660V, Rated operating current to 800A.
It features normal structure, reliable performance, complete accessories & high breaking capacity, used for power distribution and protecting the circuit and electrical equipment against overload and short circuit. It complies with standard of IEC60947-2.
Tripping Characteristics
Specifications
Application
S series moulded case circuit breaker is suitable for circuit AC 50Hz/60Hz, rated voltage up to AC 660V, Rated operating current to 800A.
It features normal structure, reliable performance, complete accessories & high breaking capacity, used for power distribution and protecting the circuit and electrical equipment against overload and short circuit. It complies with standard of IEC60947-2.
Tripping Characteristics
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Rated current of release (A)
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Thermodynamic release (ambient temp+40℃)
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Operational current
of magnetic release (A) |
|
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1.05In (cold state) inoperative time (h)
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1.30In (heat state) inoperative time (h)
|
||
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In≤63
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≥1
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< 1
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10In±10%
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63 < In≤100
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≥2
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< 2
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10In±20%
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100 < In≤630
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≥2
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< 2
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5-10In±20%
|
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5-10In±20%
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Thermodynamic release (ambient temp+40℃)
|
Operational current
of magnetic release (A) |
|||
|
1.0In
(cold state) inoperative time |
1.20In
(heat state) operative time |
1.50In
(heat state) operative time |
7.2In (heat state) operative time
|
||
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12.5≤In≤400
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≥ 2h
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< 2h
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≤4min
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2S<TP≤10S< DIV>
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12In±20%
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Specifications
S series molded case circuit breaker is mainly suitable for using in the electric
Power system AC 50Hz, rated insulated voltage 690V (insulated voltage 400V in the Controlled circuit) and rated operating voltage up to 690V, used for distribution And overload, short circuit and underload protection of circuit and equipment, And also for the infrequent making and breaking circuit under normal conditions.
Power system AC 50Hz, rated insulated voltage 690V (insulated voltage 400V in the Controlled circuit) and rated operating voltage up to 690V, used for distribution And overload, short circuit and underload protection of circuit and equipment, And also for the infrequent making and breaking circuit under normal conditions.