The BFK458-L long-life, spring-applied brake is released by applying dc voltage to an electromagnetic coil.
Service life of the brakes is said to be 10,000,000 cycles or two years. The cast-iron cased brakes come in four sizes with shaft sizes from 10 to 25 mm and feature 4 to 46-Nm rated torque. Brake coils can be supplied for 24-V low-voltage connection or rectified mains at 103, 180, and 250 V.
Lenze-AC Tech, 630 Douglas St., Uxbridge, MA 01569, (508) 278-9100, actech.com