Electromagnetic Lock Hard Anodized Aluminum Amp Draw @ 12V .75A Amp Draw @ 24V .38A Input Voltage 12/24V DC Total Projection (In.) 4 in Holding Force (Lb.) 500 Armature Length (In.) 6 in Armature Width (In.) 2 in Armature Depth (In.) 1 in Lock Body Length (In.) 9 in Lock Body Width (In.) 2 in Lock Body Depth (In.) 2 1/2 in Mfr Series M400 Aluminum Finish Standards ANSI/BHMA156.23 UL1034 UL10C