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Industrial Power Fuses

51x50 European body breaker

Breaking Capacity

This series of products are square tube type fast-acting fuses with the characteristics of low I2t and high breaking capacity. It can withstand mechanical vibration and impact and strong chemical loads. It is suitable for rail transit, road vehicles and shipbuilding industry applications. It can be used as electric vehicle drive power system, power conversion system, energy storage and power battery, energy storage capacitor, frequency conversion controller, Short circuit and backup protection for chargers, MSDs, wires and other automotive components and equipment.


The interrupting capacity should reach the interrupting rated current given in the following table. And after this test, there should be no damage of the fuse-tube or shattering of the caps. After this test, the insulation resistance between the end caps shall be not less than 0.1MΩ.


Rated VoltageRated CurrentBreaking Capacity
690V100A~800AAC 100KA


Techinical Data

ModelRated current(A)I2t(A2S)Power consumption(W)Install
ForearcTotal
50H100890780019Mounting bolt M10 recommended torque (21±1)N·m
12514501250023
16026502300028
20036003200036
25060005400045
31594008900057
3501200011190060
4001800017000066
4502480024300071
5003200031250077
5504350042000080
6306400065000087
7008400085500093
8001170001200000105

Size Chart

● Pending

○ Approvals

3

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