Industrial Relay 200-480V

Item #: 391703
Cat #: 50R-400-ALT
UPC: 07945899078
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Industrial Relay 200-480V 1 MIN UCTD SPDT 3PH

Overview

Industrial Relay 200-480V 1 MIN UCTD SPDT 3PH
The 50R-400-ALT alternating relays are used to alternate between two loads, most commonly in duplex pumping and compressor applications to balance the runtime of both loads. When used in single float applications, the alternating relay changes state after the float switch opens*, forcing the other pump to run the next time the float closes. When used in dual float applications, the alternating relay will allow both pumps to run simultaneously when the lead and lag floats are both closed. An adjustment knob provides the option to force one pump to run every time the float switch is closed. This is helpful when one pump has been removed for repair or for test purposes. A built-in debounce feature prevents the alternating relay from changing state if the float contact bounces momentarily.
Also known as: 07945899078, 50R-400-ALT

Specifications

Type: Power Monitoring Relays
Type: Power Monitoring Relays

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