| Customization: | Available |
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| Breaking Capacity: | Low Voltage Circuit Breakers |
| Operation: | Electric Type |
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GYCM3L series residual current circuit breakers (hereafter simply referred to as circuit breakers) are one of the new type breakers which have been developed using international advanced design and manufacturing technology.The rated insulation voltage of the breakers is 800V. In the circuit of AC50Hz, the rated working voltage 400V or bellow and the rated working current up to 630A, the breakers are suitable for infrequent turn-on or turn-off and infrequent motor starting-up. The breakers have overload, short-circuit and under-voltage protection performances so as to protect the circuit and the power equipment from damage. Besides, they can provide indirect contact protection and detect the longstanding ground fault which may cause fire.When the other protections were out of order, GYCM3L breakers (rated residual current is 30mA) can provide direct contact protection.
| Frame current Inm(A) | 125 | ||
| Type | GYCM3L-125 | ||
| Pole number | 3/4 | ||
| Rated current In(A) | 16/20/25/32/40/ 50/63/80/100/125 |
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| Rated insulation voltage Ui(V) | AC800 | ||
| Rated impulse voltage Uimp(V) | 8000 | ||
| Rated working voltage Ue(V) 50Hz/60Hz | AC400 | ||
| Arc-over distance(mm) | 50(0)² | ||
| Limiting short-circuit breaking ability lcu(kA) | 50 | ||
| Operating short-circuit breaking ability Ics(kA) | 35 | ||
| Rated residual current I△n(A) |
Type acresidual current protection |
Type U release,non-delay time | 0.03/0.1/0.3/0.5 |
| Type V relesase, non-delay time, Adjustable delay time |
0.1/0.3/0.5 | ||
| Type W release, non-delay time, Adjustable delay time |
0.3/1/3/10 | ||
| TypeA residual curentprolection | Type VA release, non-delay time, Adjustable delay time |
0.1/0.3/0.5 | |
| Rated residual non-operating current I△no(A) | 1/2l△n | ||
| Rated residual short-circuit breaking capacity l△m(kA) | 1/4lcu | ||
| Utilization category | A | ||
| Electrical durability (times)" | 8000 | ||
| Mechanical durability(times)" | without maintenance | 20000 | |
| maintenance | 40000 | ||
| Outline dimensions (mm) |
width | 92/122 | |
| length | 150 | ||
| height | 92 | ||
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