APB devices are single-wave rectifiers with an input power supply of 100-500 Vac; it can therefore replace several rectifiers with limited input dynamics. The devices are equipped with a circuit to ensure a decisive excitation (brake opening) as, when switched on, it feeds the brake with two half-waves for a few hundred milliseconds. After this excitation time (start) the brake is powered with a half wave reducing the current absorption. Input and output are protected against overvoltage spikes.
The container is completely renewed, of reduced dimensions and inlet-outlet are with terminal block.
A switch can be inserted between terminals 3 and 4 to remove DC voltage from the brake, improving the de-excitation times. The circuit is housed in the container and resinated to ensure better protection.
The value of the protection fuse (F) must be understood as a device that the customer prepares in the power supply circuit of the rectifier, as it is not present inside the rectifier itself.
VL Motion Systems. is proud to have partnered with some of the leading manufacturers of industrial clutches and brakes to deliver you the most advanced motion control solutions available on today’s market.
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