Magnetic Contact Reed Switch & Magnetic Contact Excellent Quality Lever Great Performance Strong Magnetic East Model: Magnetic door contacts Type: Surface Mounted Contact Type: Closed Loop Contact Rating: Breakdown Voltage 100v / Max. Switch Current 0. 5A Opera. Gap: 1. 125 Inch Magnet: Optional Lead Wire: AWG #22UL 1007 Housing: White ABS Plastic Dim: 33. 5*13. 5*7. 5MM Listings: UL, CE, CUL Remark: A: Open C: Closed & Open MCS-1303 Overhead Door Contact - Closed Loop - Breakdown Voltage 100v / Max. Switch Current 0. 5A - 3 Inch - Optional - Wire: #22AWG with armored cable - Aluminum Case - 104. 5*44. 5MM - CE - A: Open or C: Closed& Open