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T MOULED CASE CIRCUIT BREAKER

APPLICATION
Moulded case circuit breaker is suitable for circuit AC 50/60Hz, rated voltage up to AC 660V, rated operating current to 630V.
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 IEC947-2. Equipment against overloads and short circuit. It complies with standard of IEC947-2.
TRIPPING CHARACTERISTICS OF MCCB
Rated current of release (A)
Termodynamic release (ambient temp +40℃)
Operational current of magnetic release (A)
1.05In(cold state) inoperative time (h)
1.30In(heat state) inoperative time(h)
In≤ 63
≥1
<1
10-50In±20%
63 <In≤ 250
≥2
<2
10In±20%
25 <In ≤800
≥2
<2
5-10In±20%
 
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