SQUARE BODY DIN 43653 HIGH SPEED FUSE 630A 690V

High-speed fuses are thermal, current-controlled devices used for semiconductor electrical circuit protection. Their element profile and body construction are specifically designed to have the short-circuit characteristics necessary for protecting semiconductor devices: low energy let-through (l2t), low peak currents (IPEAK), low-arc voltage and high heat dissipation. High-speed fuses are the only type of circuit protection device that can protect them from overcurrent faults due to their low energy let-through characteristics.

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