The N505AS is a short, 2" block switch, designed for man doors. It combines the installers? choice of contact configuration with an N35 NdFeB magnet for maximum gap performance. The closed-loop version of the N505AS prevents false alarms caused by warping or shifting of doors, and features our unique NO DEAD SPOT technology.FeaturesNo Dead Spot Technology24" Armored Cable Lead ProtectionExtra Wide Gap - N35 NdFeB Rare Earth Magnet36" 22 AWG Wire LeadsListed to UL634 StandardExtruded Anodized (Type II) Aluminum
