Within the Mersen A4BQ Series, A4BQ2500 is configured for 2500A. Its rating set pairs 600V AC / 500V DC operation with 200kA AC / 100kA DC interrupting performance. The series is intended for applications needing 4-second time delay at 500% rating and very high current limitation.
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Mersen lists A4BQ2500 in the A4BQ Series as a 2500A circuit-protection device. Mersen publishes 600V AC / 500V DC for this rating, together with 200kA AC / 100kA DC interrupting capability. 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 Feeders, Large Motors, Lighting & Heating. Check the official Mersen datasheet before final equipment coordination.
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