Time Mark Corporation 258B
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Time Mark Corporation 258B

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Item #: 258B

Time Mark Corporation 258B


Phase Monitoring Relay, 208-240, SPDT, 10A/240VAC, 8-Pin Octal, 258 Series

Product Attribute Attribute Value
Alternate Mfr Part Number 98083402
Contact Form SPDT
Control Voltage 208/240
Current Rating 10 A
Function Phase Monitor
Measuring Range 160-240 VAC
Monitoring Function Phase Monitor
Mounting Type Socketable
Number of Pins 8 Pin
Primary Type Monitoring Relays
Product Description Monitors 3-phase power lines for abnormal conditions. When properly adjusted, monitor will detect phase loss on a loaded motor even when regenerated voltage is present. This device consists of a solid-state voltage and phase-angle sensing circuit, driving an electromechanical relay. When correct voltage and phase rotation are applied, the internal relay will energize. A fault condition will de-energize the relay. When the fault is corrected, the monitor will automatically reset (a manual reset version is also available). The Phase monitor does not require a neutral connection and can be used with Wye or Delta systems. Voltage ranges are sufficiently wide to allow for proper adjustment to existing conditions. Both "TRIP" and "NORM" condition indicators are provided to aid in adjustment and system troubleshooting.
Product Header Solid State 3-Phase Monitor Relay
Relay Type Solid State
Series 258 Series
Standards CSA, UL
Supply Voltage 208-240 VAC
Termination 8-Pin Octal
UPC Code 662917001794
Voltage Rating 240 VAC