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Five times the weight-bearing surface compared to large standard hinges
Enables remote system test and reset functions
it ensures only authorized users can gain entry
Operating Voltage: 8 to 40 VDC or 8 to 28 VAC
Conductor Count: 20
Seco-Larm SD-C131-SQ Grade 1 Door Closer electromechanical Five times the weight-bearing surfaceFixed Size 3 Commercial Door Closer for Metal and Wood Doors The Seco Larm SD C131 SQ is a heavy duty Grade 1 surface mounted door closer for commercial metal and wood doors weighing up to 140 pounds. Its fixed Size 3 closing force is intended for doors up to 42 inches wide, providing controlled automatic closing without the spring force adjustment required on variable size models. Two independent valves allow installers to set the sweep speed and
