Jennings JEV250, JEV400 and JEVB500 Series DC contactors, new from Thomas & Betts (T&B), are designed to provide extended mechanical and electrical life. JEVB500 Series DC contactors are unique in their protection of the electrical circuit, whether the circuit is charging or discharging. Jennings JEV400 Series DC contactors are rated at 450V and designed for power station communications, as well as wind-power, solar-power, smart-grid, and electric-vehicle applications. Jennings JEV250, JEV400 and JEVB500 Series DC contactors offer a mechanical life of up to 2 million cycles. Other benefits of Jennings JEV Series DC contactors are 10-20 percent energy savings, achieved by controlling the inrush current with a constant current inside the magnet coil, even when the supply voltage changes; and lowered noise emissions, with a maximum operation noise level of 60 decibels.

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