Undervoltage release 380-400 V AC 50/60 Hz, accessory for: 3VA1 and 3VA20

UNDERVOLTAGE RELEASE 380-400 V AC 50/60 HZ ACCESSORY FOR 3VA1 and 3VA20 up to 3VA25 essory pockets of the molded-case circuit breaker. 3. Standard internal accessories for 3VA molded case circuit breakers. 4. Available internal accessories: Auxiliary switches, leading auxiliary switches, tripped and short-circuit signaling switches (3VA1 only), auxiliary trip units (voltage, residual current, undervoltage and universal release), cylinder lock.