Mersen® | Class T Fuses & Extremely Fast-Acting Protection Canada

Protect space-constrained main service disconnects, distribution panelboards, and UPS systems with ultra-compact Class T fuses from Mersen in Canada. Engineered to deliver extreme current limitation and high interrupting capacity in a footprint significantly smaller than standard Class H or Class J fuses, Mersen Class T fuses rapidly clear heavy fault currents to safeguard sensitive power distribution equipment. Manufactured to strictly satisfy CSA, UL 248-15, and IEC standards, these high-performance fuses ensure dependable protection across commercial and industrial electrical rooms.

Our inventory features authentic Mersen Class T fuses, including Amp-Trap® A6T (600VAC/300VDC) and A3T (300VAC/160VDC) fast-acting fuses. Featuring 200kA interrupting ratings, extremely fast short-circuit response, and compact blade or ferrule mounting configurations, Mersen Class T fuses prevent severe equipment damage, limit peak let-through current, and provide space-saving protection for mains, feeders, load centers, and semiconductor circuits.

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