AA & CN MOULDED CASE CIRCUIT BREAKER(MCCB)
Description:
Available in two frame sizes from 20 to 800 amps. Loadine series of moulded case circuit breakers provide overload and short-circuit protection for the full range of transformer sizes encountered in normal service.The overload instaneous tripping elements,adjustableover a wide band,make these MCCBs ideal for many distribution applications.
AA & CN MCCBs are available in single pole,three poles,three poles,three poles with switched neutral and switch disconnector versions.Loadline triple poles AA frame circuit breaker and switch disconnector are physically interchangeable with AA breakers for Motor Duty requirements.AA Frame have front adjustable overload and fixed instantaneous tripping elements.
Specification:
Insulation voltage (Ui)-660V ac
Operating voltage (Ue)-415 ac
Rated frequency~50/60Hz
Reference Calibration-40(50 on request)
Tripping Elements
Overload front adjustable 0.7-1.0 times rated cuttent
Instantaneous-non-adjustable
AA 25-63A=400A AA 80-125A=800A
AA 160-250A=1600A
Description |
In/A |
Lowest Setting |
Current amps |
AA-225 Single pole MCCB |
25 |
17.5 | |
32 |
22.5 | ||
40 |
28 | ||
50 |
35 | ||
63 |
44 | ||
80 |
56 | ||
100 |
70 | ||
125 |
88 | ||
AA-225 AA Frame 3P |
160 |
112 | |
200 |
140 | ||
225 |
157.5 | ||
CN-400 3P |
250 |
175 | |
315 |
221 | ||
400 |
280 | ||
CN-630 3P |
500 |
350 | |
630 |
441 | ||
CN-800 3P |
800 |
560 |