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Mersen Products

Low Voltage UL/CSA Fuses

Class L

A4BQ - Class L - Time-Delay

Amp-Trap 2000 A4BQ fuses are 20% more current limiting than any other Class L fuse on the market.

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A4BY - Class L - Time-Delay

Amp-Trap A4BY fuses have been the industry's favorite when it comes to protecting service entrance equipment, feeder circuits, and circuit breakers.

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A4BT - Class L - Time-Delay

The high interrupting rating of the Amp-Trap A4BT current-limiting fuses makes it suitable for protecting mains, feeders, and general circuits.

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