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abb mccb moulded case circuit breaker
isomax TMAX MCCB:
· Suitable for industrial or commercial power and lighting with AC 50/60Hz,rated working voltage up to AC600V/DC 250V,rated current up to 630A.
· Its a kind of economical breaker with the characters of stable and reliable function,beautiful appearance,small size and long life.It can be used for conversion of line and infrequent starting motor.
· It can also be attached to install the accessories which have protection function for avoiding loss-voltage,undervoltage.
· The product can install connection line with front board and back board,it also can equip hand-operating apparatus or motor-operating apparatus to control in a remote distance.
S/ T Series Moulded 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.
Rated current of release(A) | Thermodynamic release(ambient temp+40 ) | Operation current of magnetic release(A) | |||
1.05ln(cold state)inoperative time(h) | 1.30ln(heat state)inoperative time(h) | ||||
ln 63 | 1 | 1 | 10-50ln 20% | ||
63 ln 250 | 2 | 2 | 10ln 20% | ||
250 ln 800 | 2 | 2 | 5-10ln 20% | ||
Rated current of release(A) | Thermodynamic release(ambient temp+40 ) | Operation current of magnetic release(A) | |||||
1.0ln(cold state)inoperative time(h) | 1.20ln(heat state)inoperative time(h) | 1.50ln(heat state)inoperative time(h) | 1.0ln(heat state)inoperative time(h) | ||||
12.5 ln 400 | 2 | 2 | 4min | 2S Tp 10S | 12ln 20% | ||
ABB TYPE TMAX MCCB MOULD CASE CIRCUIT BREAKER MAGNETIC TYPE