Mersen A4BY3000 provides a 3000A rating within the A4BY Series. The electrical profile is 600V AC, with 200kA AC published interrupting performance. Its selection value is strongest where the circuit needs 4-second minimum time delay at 500% rating for service and feeder protection.
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Designed within Mersen’s A4BY Series, A4BY3000 carries a 3000A rating and Class L form factor. The published rating combines 600V AC operation and 200kA AC short-circuit capability. The design focuses on 4-second minimum time delay at 500% rating for service and feeder protection. The Class L format uses blade terminals with cartridge/clip mounting. Typical selection contexts include Mains, Feeders, Circuit Breakers. Check the official Mersen datasheet before final equipment coordination.
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