A9L040400 4P Circuit Breaker with Pluggable IPRU Class T2 Surge Protector — 40kA / 20kA / 1.7kV

4-pole circuit breaker model A9L040400 equipped with a pluggable IPRU Class T2 surge protector. Combines overcurrent protection with secondary surge suppression in a single unit. Surge ratings: 40kA and 20kA; voltage rating: 1.7kV. Pluggable surge module allows straightforward replacement and maintenance while providing Class T2 protection for 4P installations.