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[China]
Address: No. 3999 LiuJiang Road, Liushi, Yueqing, Wenzhou, Zhejiang, China
Contact name:Sunny Zhang
WENZHOU SANTUO ELECTRICAL CO.,LTD. |
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Plug- in mounting MCB Circuit Breaker 6A TO 63A
General
STD7 series high breaking capacity mini circuit breaker (MCB)miniature circuit breaker is mainly used for protection against
overload and short circuit under the rate voltage 240/415V and
rated current from 1A to 63A.
Specification
| No. of pole | 1P, 2P, 3P, 4P |
| Rated voltage | 240/415V AC |
| Rated current | 1-63A |
| Rated frequency | 50/60Hz |
| Tripping curve | B, C, D |
| Rated insulation voltage | 415V |
| Rated impulse withstand voltage | 4kV |
| Rated short-circuit breaking capacity | 6000A |
| Comply with | IEC60898-1 |
The earthing systems,short-circuit current at the circuit breaker installation point,which must always be less than the breaking capacity of this device,network normal voltage.
B curve (3-5In) protection and control of the circuits against length cables in TN and IT systems.
C curve (5-10In) protection and control of the circuits against overloads and short-circuits; protection for resistive and inductive loads with low inrush current.
D curve (10-14In) protection and control of the circuits against overloads and short-circuits; protection for circuits which supply loads with high inrush current at the circuit closing (LV/LV transformers,breakdown lamps.)
Specifications
| Model | STD7 MCB |
| Pole | 1P,2P,3P,4P |
| Rated Current(In) | 6,10,20,32,40,63A;15,20,30,40,50,63 A |
| Rated Voltage(Un) | 240/415V |
| Rated Frequency | 50/60HZ |
| Tripping curve | B,C,D |
| Magnetic releases | B curve: between 3and 5 In |
| C curve: between 5and 10In | |
| D curve: between 10 and 14In | |
| Electro-mechanical endurance | over 6000 cycles |
| Breaking Capacity | 10KA (110V); 5KA(240/415V) |
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