Mersen specifies A4BQ650-TA as a 650A device in the A4BQ Series. The electrical profile is 600V AC / 500V DC, with 200kA AC / 100kA DC published interrupting performance. Its selection value is strongest where the circuit needs 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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For applications specifying Class L, Mersen A4BQ650-TA supplies the 650A rating in the A4BQ Series. The published rating combines 600V AC / 500V DC operation and 200kA AC / 100kA DC short-circuit capability. The series is engineered around 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 UPS DC Links, Mains, Feeders. This SKU is the TA remote blown-fuse trigger actuator option. Final application limits and dimensional details should be verified against Mersen’s official datasheet.
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