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Time Mark EX258B 3-Phase Monitor Relay

This is a 3-phase monitor relay designed for reversal, loss, and voltage monitoring applications. It features a coil voltage of 380 VAC, a single-pole double-throw (SPDT) contact configuration (1 Form C), and a plug-in mounting type with 8-pin octal connections. The relay can handle contact currents up to 10 Amps. It provides reliable detection of phase loss, low voltage, and phase reversal in industrial systems. The device supports automatic or manual reset options, wide voltage adjustment ranges, and is suitable for use with Wye or Delta systems. It is UL Recognized and CSA Certified, ensuring safety and quality.

Authorized Distributors
Part No:EX258B
Stock:1
Inv Date:06-11-2026
Price: Unit price: $47.5
Buy/RFQ:

Time Mark EX258B 3-Phase Monitor Relay Specifications:

  • Coil Voltage: 380 VAC
  • Contact Configuration: SPDT (1 Form C)
  • Contact Current Rating: 10 Amps
  • Mounting Type: Plug-in 8-pin socket
  • Recognition: UL Recognized, CSA Certified
  • Application: Phase loss, voltage, and reversal detection
  • Operational Temp: -40° to 131°F
  • Enclosure Material: Plastic
  • Transient Protection: 2500 VAG for 10ms
  • Response Time: 50 msec
  • Power Consumption: Approximately 4.7 W
  • Dimensions: 3.8 inches height, 3.25 inches width, 1.95 inches depth
  • Weight: Approx. 8 oz
  • Compliance: UL and CSA standards

Buy the Time Mark EX258B – Reliable Phase Monitor for Industrial Applications

Secure your industrial equipment with the time-tested reliability of the 3-Phase Monitor Relay. Designed for accurate phase loss, voltage, and reversal detection, it features automatic or manual reset options, wide voltage adjustment, and UL certification. Easy to install with plug-in 8-pin socket, it is suitable for motor protection in various industrial environments. Equipped with SPDT contacts and rated for 10 Amps, this device guarantees safe and efficient system operation. Order online now to protect your electrical systems effectively.

Buy Time Mark EX258B now and ensure robust phase and voltage protection for your industrial systems.

Frequently Asked Questions

Where can I buy Time Mark EX258B?

You can click on the BUY or RFQ button to purchase EX258B from an authorized Time Mark distributor.

How do I troubleshoot issues or seek technical support for part EX258B?

You can download the EX258B datasheet or visit the Time Mark website for support.

Who is the manufacturer of EX258B?

Time Mark

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