40 Amp 4Pole N/O Normally Open Designer Lighting Contactor 120VAC coil, Silent No Humming 40A, 30A Normally Open Advanced designer style, low energy consuption Silent no noise, no humming coil ( Status indicator) Coil Voltage 120VAC : 50VA inrush,7VA sealed, DIN rail mount 35mm Modular contruction IEC, Size: 2.2 x 3.3 x 2.5 inches Compliance: CE, and IEC/EN61095 DIN