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Time-Mark 257B400 Three-Phase Power Monitor
This three-phase monitor relay detects phase loss, voltage irregularities, and phase reversal. It features a solid-state sensing circuit, an electro-mechanical relay, and a built-in reset function. Mounted via a UL-recognized 8-pin socket, it works with Wye or Delta systems and is suitable for 3-phase motor protection and alarm applications. The device operates at various voltages including 208/240 VAC at 400 Hz, with wide adjustment ranges to suit different system conditions. A manual reset option is available, and it provides indicators for normal and fault conditions, ensuring reliable power monitoring in industrial environments.
Time-Mark 257B400 Three-Phase Power Monitor Specifications:
- Voltage Range: 85-120 VAC, 160-240 VAC, 380-480 VAC, 300-400 VAC
- Frequency: 60 Hz, 400 Hz
- Power Consumption: 0.75W, 1.5W, 4.5W
- Relay Contacts: 1 Form C (SPDT)
- Contact Current: Up to 10 amperes
- Transient Protection: 2500 VAC for 10 msec
- Response Time: 50 msec
- Expected Relay Lifespan: 10 million operations mechanical, 100,000 at rated load
- Enclosure Material: ABS plastic
- Mounting: 8-pin socket (sold separately)
- Adjustments: sensitivity adjustable via control
- Indicators: NORM and TRIP
- Application: Motor control, phase loss alarms, Wye or Delta systems
- Certifications: UL Recognized, suitable for 600 VAC socket
Buy the Buy Time Mark 3-Phase Monitor Part Number 257B400 Online
Secure your electrical system’s safety with the Time Mark 3-Phase Power Monitor. Designed for detecting phase loss, voltage irregularities, and phase reversal, it ensures reliable motor protection and operational stability. Easy to install with UL-recognized socket, adjustable settings, and fault indicators, this device is ideal for industrial environments. Whether for Wye or Delta systems, it delivers precise monitoring, longevity, and peace of mind. Purchase online today for efficient power management and enhanced system reliability.
Buy Time Mark 3-Phase Monitor 257B400 now and experience unmatched reliability and performance in industrial power monitoring.
Frequently Asked Questions
Where can I buy Time-Mark 257B400?
You can click on the BUY or RFQ button to purchase 257B400 from an authorized Time-Mark distributor.
How do I troubleshoot issues or seek technical support for part 257B400?
You can download the 257B400 datasheet or visit the Time-Mark website for support.
Who is the manufacturer of 257B400?
Time-Mark