INDUSTRIAL QUALITY COMPONENTS – Pack of 2 40Amp 4 Pole Normally Open (NO) Definite Purpose Contactors for HVAC (Heating, Ventilating and Air Conditioning) installations in home and industry. Complies with NEMA 2 standard for consistent and reliable setting. Suitable for 8-pole connections APPLICATIONS – Heating, refrigeration and lighting. AC-1 for resistance furnaces, incandescent lamps or electric heaters; and AC-3 for air conditioners, compressors or fans FULL AMP LOAD – Inductive/Motor Load: 40Amp. Resistive/Incandescent Load: 50Amp. DC Load: 30Amp @ 24VDC. Power Lug Terminal Capacity AWG # 4 COIL VOLTAGE AND LOAD – Voltage: AC 110V/120V, 50/60Hz. Load: 67 VA Inrush and 15VA Sealed DIMENSIONS (approx.) – 77.00 x 95.80 x 77.00 mm / 3.00'' x 3.77'' x 3.00'' (Width x Height x Depth)