Within the Mersen A4BQ Series, A4BQ4000-TA is configured for 4000A. Core electrical data includes 600V AC operation and 200kA AC interruption. The series is intended for applications needing 4-second time delay at 500% rating and very high current limitation. This catalog code identifies the TA remote blown-fuse trigger actuator option.
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Mersen lists A4BQ4000-TA in the A4BQ Series as a 4000A circuit-protection device. The circuit rating is 600V AC; published interrupting performance is 200kA AC. A key selection characteristic is 4-second time delay at 500% rating and very high current limitation. The Class L format uses blade terminals with cartridge/clip mounting. Typical selection contexts include Mains, Feeders, Large Motors. This SKU is the TA remote blown-fuse trigger actuator option. Check the official Mersen datasheet before final equipment coordination.
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