Tol-O-Matic (Hamel, MN) has introduced the B3W series electric belt drive actuator that can be used as a direct drop-in replacement for the company’s B3B actuator. The series features a sealed bearing system at both drive and idle pulleys, stainless steel dust band for internal parts protection, and a urethane steel belt. The B3W series can be used as an alternative to auxiliary rail systems.