Ideal for traffic control in high-use areas where higher security is needed, the M68 electromagnetic lock provides reliability, durability and strength with low maintenance and efficient power consumption. Bracket mounting and wiring chamber provide ease of installation. Automatic dual-voltage. Instant release circuit with no residual magnetism. Efficient, low power usage. Rust resistant with all ferrous metal surfaces plated for durability. Holding Force: 1,200 lbs. (544kg). Dimensions: Magnalock: 10-1/2″L x 2″D x 3-5/8″H, Strike: 6″L x 1/2″D x 2-3/4″H. Electrical: 250 mA at 12 VDC, 125 mA at 24 VDC. Operating Temperature: +32 to +110F [0 to +43C]. Indoor use only.