Mersen A4BQ1350 provides a 1350A rating within the A4BQ Series. For selection, note the 600V AC / 500V DC rating and 200kA AC / 100kA DC interrupting data. The series is intended for applications needing 4-second time delay at 500% rating and very high current limitation.
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Designed within Mersen’s A4BQ Series, A4BQ1350 carries a 1350A rating and Class L form factor. For coordination, the key ratings are 600V AC / 500V DC and 200kA AC / 100kA DC interrupting performance. 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. Check the official Mersen datasheet before final equipment coordination.
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