Square D 8903LO40V02 Lighting Contactor Brand: Square D. Part Number: 8903LO40V02. Square D Lighting Contactor, Type L Electrically Held Multi-Pole, Series: 8903L, 110/120 VAC Coil, 30 A Maximum Load Current, 4 Pole, 50/60 Hz Frequency, 4NO Contact Configuration, Screw Clamp Connection, Open Enclosure, Surface Mounting, 2.88 in W x 3.12 in D x 5 in H Dimensions. Additional Description: SQD -8903LO40V02 LIGHTING CONTACTOR 600VAC 30A L +OPTIONS. Catalog Description: Contactor, Type L, multipole lighting, electrically held, 30A, 4 pole, 600V, 110/120VAC 50/60Hz coil, open style [TAA]..