MS-56 Magnetic Contacts Mount type: Surface mount with screw Size: 105.7l x 50w x 50w mm Contact type: N/O for closed loop system Contact rating: Max. Switching current: 0.5 amp Voltage: 130 VDC Rating power: 20W Operating gap: 65mm-75mm Magnet: Neodymium Lead wire: 22 AWG, length 40mm with stainless steel armored cable Housing: Zinc alloy Recommended: For steel or overhead door use