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Time Mark Corporation A258B

Time Mark Corporation - A258B - Relay;  Solid State;  3-Phase Monitor;  SPDT;  10 A;  Ctrl-V 480 VAC;  240 VAC;  Socket Mount View larger image View larger image
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Time Mark Corporation Relay; Solid State; 3-Phase Monitor; SPDT; 10 A; Ctrl-V 480 VAC; 240 VAC; Socket Mount
Mfr. Part#:

Allied Stock#: 70043347
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Pricing (USD) & Availability
Standard Pricing
$103.11 (Each)

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Minimum Quantity: 1 |  Multiples Of: 1


Brand/Series: 258 Series
Contact Form: SPDT
Current Rating: 10 A
Monitoring Function: Phase Monitor
Mounting Type: Socket Mount
Number of Pins: 8
Output Type: SPDT
Relay Type: Electro Mechanical
Special Features: Automatic or Manual Reset
Standards: CSA, UL
Supply Voltage: 480 VAC
Termination: 8-Pin Octal
Voltage Rating: 240 VAC
Voltage, Control: 480 VAC


258-Series, 3-Phase-Monitors
The Model 258 continuously monitors 3-phase power lines for abnormal conditions. When properly adjusted, the Model 258 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 Model 258 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 trouble-shooting.

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