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ESB40-40N

The ABB ESB40-40N installation contactors are compact modular contactors designed for DIN-rail mounting and are used to switch and control single-phase and three-phase electrical loads up to 40 A. They are suitable for a wide range of applications in residential, commercial, and industrial environments.

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Technical Parameters Specification Details Product Type Installation Contactors Series ESB40-40N Number of Poles 4 (Four poles) Main Contact Configuration 4 Normally Open (4 NO) Rated Operational Current (AC-1) 40 A Rated Operational Voltage (Main Circuit) Up to 400 V AC / 220 V DC Control/Coil Voltage AC/DC voltage depending on variant (e.g., 230 V AC/DC for ESB40-40N-06) Mounting Type DIN-rail (TH35) Rated Insulation Voltage (Ui) 500 V Rated Impulse Withstand Voltage (Uimp) 6 kV Rated Operational Power AC-1 Single phase ~9.2 kW at 230 V / Three phase ~27.7 kW at 400 V Rated Operational Current AC-3 ~22 A (motor loads) Electrical Durability AC-1 ~150000 cycles; AC-3 ~100000 cycles Termination Type Screw terminals Wire Stripping Length ~7 mm (control) / ~13 mm (main) Tightening Torque ~0.9 N·m (control) / ~2.5 N·m (main) Degree of Protection IP20 Operating Ambient Temperature −25 °C to +55 °C Dimensions (approx.) ~54 mm (W) × 85 mm (H) × 65 mm (D) Mechanical Durability ~1 000 000 cycles Standards Compliance IEC/EN 60947 series Typical Applications Lighting, heating, motor switching, pumps, HVAC control, general load switching