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Time Mark B258BM 3-Phase Monitor

This 3-phase monitor relay is engineered to detect phase loss, phase reversal, and abnormal voltage conditions in three-phase power systems. It can be used for motor protection and system alerting, featuring a solid-state sensing circuit and an electro-mechanical relay. The device operates at a coil voltage of 110/120 VAC and includes a SPDT contact configuration capable of handling up to 10 amps. Mountable via an 8-pin socket, it offers automatic reset functionality and wide voltage adjustment ranges, ensuring reliable operation across different industrial applications with minimal calibration required.

Authorized Distributors
Part No:B258BM
Stock:0
Inv Date:06-11-2026
Price: Unit price: $113.63
Buy/RFQ:

Time Mark B258BM 3-Phase Monitor Specifications:

  • Coil Voltage: 110/120 VAC
  • Contact Configuration: SPDT (1 Form C)
  • Contact Rating: 10 Amps at 240 VAC resistive
  • Mounting: 8-pin socket (sold separately)
  • Operating Temperature: -40°F to 131°F
  • Humidity Tolerance: 0-97% without condensation
  • Enclosure Material: ABS plastic dust cover
  • Transient Protection: 2500 VAG for 10ms
  • Response Time: 50 ms (set or reset)
  • Power Consumption: 0.75W at nominal voltage
  • Agency Approvals: UL Recognized, CSA Certified

Buy the Buy Time Mark 3-Phase Monitor Part Number B258BM Online

Secure your electrical system with the Time Mark 3-Phase Monitor B258BM. Designed for robust detection of phase loss, reversal, or low voltage conditions, it ensures safety and efficiency in motor and power systems. Easy to install with plug-in mounting via an 8-pin socket and featuring automatic reset for continuous operation, this device offers wide adjustment ranges for precise calibration. Trust in UL and CSA approvals for peace of mind and reduce downtime through reliable system monitoring. Order online today for superior system protection.

Buy Time Mark B258BM 3-Phase Monitor now and ensure reliable phase and voltage protection for your industrial systems with fast, accurate detection.

Frequently Asked Questions

Where can I buy Time Mark B258BM?

You can click on the BUY or RFQ button to purchase B258BM from an authorized Time Mark distributor.

How do I troubleshoot issues or seek technical support for part B258BM?

You can download the B258BM datasheet or visit the Time Mark website for support.

Who is the manufacturer of B258BM?

Time Mark

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