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Time Mark A257B 3-Phase Monitor
This is a 3-phase monitor relay designed for reversal, loss, and voltage monitoring applications. It features a coil voltage of 480 VAC, a single-pole double-throw (SPDT) contact configuration (1 Form C), and is mounted via a plug-in 8-pin octal connection. The relay can handle contact currents up to 10 Amps. Compatible with Wye or Delta systems, it continuously monitors power lines for abnormal conditions like phase loss and low voltage, with adjustable settings for precise operation. It includes LED indicators, transient protection, and is suitable for industrial motor control and power management.
Time Mark A257B 3-Phase Monitor Specifications:
- Coil Voltage: 480 VAC
- Contact Type: Single-pole Double-throw (SPDT), 1 Form C
- Contact Current Rating: Up to 10 Amps
- Mounting: Plug-in 8-pin octal socket (sold separately)
- Voltage Ranges: 85-120VAC, 160-240VAC, 380-480VAC
- Frequency: 60 Hz or 400 Hz models
- Transient Protection: 2500 VAC for 10 msec
- Mechanical Life: 10 million operations
- Electrical Life: 100,000 operations at rated load
- Response Time: 50 milliseconds
- Enclosure Material: ABS plastic dust cover
- Operating Temperature: 40°F to 151°F
- Humidity Tolerance: 0-97% RH (no condensation)
- Dimensions: 3.52 inches length, 2.88 inches width, 1.75 inches height
- Weight: Approximate weight varies around 8 ounces
Buy the Buy Time Mark 3-Phase Monitor Part Number A257B Online
Enhance your industrial control system with the reliable 3-Phase Monitor designed for loss, voltage, and phase reversal detection. Easy to install with plug-in connection, it offers adjustable sensitivity, LED indicators for quick status updates, and robust transient protection. Suitable for Wye or Delta systems, this relay ensures continuous power monitoring, preventing equipment damage from abnormal conditions. Backed by a five-year unconditional warranty, secure your power control needs by purchasing online today for lasting performance and peace of mind.
Get Time Mark A257B today—designed for precise phase loss detection and long-lasting industrial reliability.
Frequently Asked Questions
Where can I buy Time Mark A257B?
You can click on the BUY or RFQ button to purchase A257B from an authorized Time Mark distributor.
How do I troubleshoot issues or seek technical support for part A257B?
You can download the A257B datasheet or visit the Time Mark website for support.
Who is the manufacturer of A257B?
Time Mark