A4BY4500 is the 4500A selection in Mersen’s A4BY Series. For selection, note the 600V AC rating and 200kA AC interrupting data. 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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Mersen A4BY4500 is a 4500A Class L fuse from the A4BY Series. For coordination, the key ratings are 600V AC and 200kA AC interrupting performance. 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 Circuit Breakers, Load Centers, Panelboards. Check the official Mersen datasheet before final equipment coordination.
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30A · 600VAC / 600VDC