Mersen ATQ4 4A Midget Time-Delay Fuse
● Check availabilityMatch installed protection against Mersen ATQ4, a 4A midget time-delay fuse rated 500 VAC, by checking rating, format and application-specific characteristics for maintenance planning.

Match installed protection against Mersen ATQ4, a 4A midget time-delay fuse rated 500 VAC, by checking rating, format and application-specific characteristics for maintenance planning.
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Part of Mersen’s application-focused fuse portfolio, the device pairs the series protection profile with a practical installation format. Mersen ATQ4 is a 4A midget time-delay fuse in the ATQ family, rated 500 VAC. Confirm the circuit duty, voltage and installation method against the Mersen data before substitution. Its ferrule configuration supports motor, transformer, lighting, control circuits. FuseStock lists the manufacturer reference for sourcing and technical comparison.