Yueqing Vorax Electric CO.,LTD
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Accessories for RCCB MCB
A variety of additional features can be achieved with wide range of accessories when used with circuit breaker, such as alerts, shunt trip,under-voltage protection, etc. Usually the Max number of accessories assembled on the circuit breaker is three. Accessories with independent tripping function should be assembled first, such as shunt trip, and under-voltage trip, Followed by other accessories , such as auxiliary contacts, alarm auxiliary contacts.
Shunt Release
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Standard
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IEC/EN 60947-5-1
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Electrical features
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Rated voltage Us
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V | AC230/400 50/60Hz |
| AC/DC24 | |||
| AC/DC48 | |||
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Rated impulse withstand voltage(1.2/50)Uimp |
V | 4,000 | |
| Dielectric TEST voltage at ind.Freg.for 1min | kV | 2 | |
| Insulation voltage Ui | V | 500 | |
| Pollution degree | 2 | ||
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Mechanical features
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Electrical life | 4,000 | |
| Mechanical life | 4,000 | ||
| Protection degree | IP20 | ||
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Ambient temperature (with daily average≤35℃) |
℃ | -5...+40 | |
| Storage temperature | ℃ | -25...+70 | |
| Installation | Terminal connection type | Cable | |
| Terminal size top/bottom for cable | mm² | 2.5 | |
| AWG | 18-14 | ||
| Tightening torque |
N·m
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0.8 | |
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In-Ibs.
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7 |