SC-E03H5-C SC-E03 SE12AA-C AC Contactor, 1 Pack, 100-110V 50Hz / 110-120V 60Hz Coil, 3-Pole IEC Magnetic Contactor, 12A AC-3, 20A AC-1 Ith, 690V Ui, DIN Rail/Panel Mount, Screw Terminals

["[MODEL & COIL MATCH] 1-pack SC-E03H5-C / SC-E03 / SE12AA-C AC magnetic contactor; match your old contactor label before ordering. Coil marking is A1/A2 100-110V 50Hz / 110-120V 60Hz; do not use in 24V, 220-240V, 380V or DC coil circuits.","[3-POLE POWER CONTACTOR] 3 main power poles with line/load terminal markings 1L1, 3L2, 5L3 and 2T1, 4T2, 6T3; use only in control panels, motor starters, pumps, fans, compressors, HVAC or automation circuits where the original SC-E03 110V coil contactor spec matches.","[RATING CHECK] Label/catalog ratings include 12A AC-3 rated operating current and 20A AC-1 thermal current; front label shows AC-3 motor ratings 230V 3kW, 400V 5.5kW, 690V 5.5kW, Ui 690V and Uimp 6kV. Match load type and local electrical code before replacement.","[MOUNTING & TERMINALS] Compact SC-E0 frame with screw terminals, 35mm IEC DIN rail mounting or screw/panel mounting; back markings show M4 mounting and 30x48 / 34x48-52 hole references. Verify cabinet space, rail size, mounting holes and terminal access.","[WIRING SAFETY] Disconnect and lock out power before service. Label wires, transfer one conductor at a time, tighten terminals to proper torque, and inspect for heat damage, loose screws, corrosion, moisture or burnt wiring before energizing.","[IMPORTANT COMPATIBILITY] This is not a universal contactor. Confirm model code, coil voltage/frequency, pole count, terminal layout, rated current, auxiliary block needs and mounting footprint. If your old unit shows a different coil voltage or contactor frame, choose the matching version.","[PACKAGE & CHECKLIST] Package includes 1 AC contactor. Before installing, compare SC-E03H5-C / SC-E03 / SE12AA-C markings, A1/A2 coil voltage, L1/L2/L3 and T1/T2/T3 layout, side label ratings and mounting holes with your existing contactor."]