According to company officials, when properly applied, the newly released BFK458-L is guaranteed for 10,000,000 cycles or two years of service life. “The BFK458-L has a 250% longer life than most available brakes,” states Lenze-AC Tech Regional Sales Director, Steve Greene, adding, “In high cycle applications, this represents a major product performance improvement.”

Manufactured by Lenze-AC Tech partner, INTORQ the series BFK458-L are spring applied brakes that are released by applying DC voltage to an electromagnetic coil. Regarding best applications for the new brakes, Greene mentions users interested in a low cost solution for stopping and holding duties in rapid, high cycling applications, and explains, “The BFK458-L will give our customers a tremendous advantage in high dynamic applications.”

According to Greene, the BFK458-L brakes are constructed with a cast iron casing and come with a warranty which lasts 2 years or the guaranteed number of cycles, whichever comes first. Lenze-AC Tech engineers explain that there are four sizes in the range, with rated torques from 4 to 46Nm; shaft sizes start at 10mm and go up to 25mm and brake coils can be supplied for 24V low voltage connection or rectified mains at 103, 180 and 250V.

Lenze-AC Tech develops, manufactures, markets and supports a complete range of motion control solutions, including servo drives and motors, clutches and brakes, gears and gear motors and variable frequency AC motor drives. With North American headquarters in Uxbridge, Massachusetts and a global network of distributors and representatives, Lenze/AC Tech is perfectly positioned to meet the needs of customers throughout the world.

Lenze-AC Tech can be found online at

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