A 54mm DIN rail-mounted modular contactor rated for 63A (AC-7a) and 25A (AC-7b) with four normally-open (4 NO) auxiliary contacts for signalling and control applications. Designed for 4-pole electrical installations with 230V AC coil voltage, this contactor delivers reliable switching performance in distribution boards, control panels, and industrial switchgear. Ideal for electricians, panel builders, and electrical contractors requiring compliant, space-efficient modular control solutions.