TeSys GV2 & GV3 - auxiliary contact block - 1 NO + 1 NC - auxiliary contact block, for motor circuit breakers GV2 and GV3. 1NO+1NC instantaneous auxiliary contacts. Rated for operation up to 6A/690V AC and 6A/240V DC. To be installed on left-hand side of the circuit breaker (2 blocks mounting possible), connection by screw clamp terminals. Multi standards certified