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Time Mark B257B 3-Phase Monitor
This 3-phase monitor relay provides reliable detection of phase loss, reversal, and abnormal voltage conditions for three-phase systems. It features solid-state voltage sensing and a mechanical relay with a 10A contact rating, designed for use with motor control and alarm applications. The relay is equipped with a plug-in 8-pin socket for easy installation and is suitable for Wye or Delta systems. With adjustable trip points and indicators for normal and fault conditions, it ensures safe and efficient operation in industrial environments. Its robust construction ensures durability, making it ideal for monitoring critical power lines.
Time Mark B257B 3-Phase Monitor Specifications:
- Coil Voltage: 110/120 VAC
- Contact Configuration: 1 Form C (SPDT)
- Maximum Contact Current: 10A
- Mounting: Plug-in 8-pin octal socket (sold separately)
- Enclosure Material: ABS Plastic
- Response Time: 50 ms (trip or reset)
- Protection Class: Transient protection 2500 VAC for 10 msec
- Operation Cycles: 100,000 operations at rated load
- Voltage Adjustment Range: 85-120VAC, 160-240VAC, 380-480VAC, 300-400VAC
- Frequency Range: 60 Hz, 400Hz
- Humility Tolerance: 97% without condensation
- Temperature Range: 40°F to 151°F
- Dimensions: 3.52
- Dimensions: 3.52 inches height, 2.88 inches width, 1.75 inches depth
- Material: ABS plastic enclosure
- Response Time: 50 ms (set or reset)
- Transient Protection: 2500 VAC for 10 msec
- Electrical Life: 100,000 operations at rated load
- Operating Temperature: 40°F to 151°F
- Humidity Tolerance: 97% without condensation
- Power Consumption: 0.75W, 1.5W, 4.5W depending on model
- Frequency Range: 60 Hz standard, 400 Hz models available
- Adjustment Range: 85-120VAC, 160-240VAC, 380-480VAC, 300-400VAC
- Weight: Data not specified (research external if precise needed)
Buy the Buy TIME MARK 3-Phase Monitor Part Number B257B Online
Purchase the TIME MARK Series 257 3-phase monitor relay online today for dependable phase loss detection, voltage monitoring, and easy installation. This durable device features solid-state sensing, adjustable trip points, and a convenient plug-in socket. It is suitable for motor protection and system alarms in industrial environments, with wide voltage adjustment ranges and transient protection. Ensure reliable operation with a five-year unconditional warranty, making it the ideal choice for maintaining safe and efficient power distribution in your facilities.
Order your TIME MARK Series 257 3-Phase Monitor today and ensure reliable power line monitoring for optimal industrial safety and performance.
Frequently Asked Questions
Where can I buy Time Mark B257B?
You can click on the BUY or RFQ button to purchase B257B from an authorized Time Mark distributor.
How do I troubleshoot issues or seek technical support for part B257B?
You can download the B257B datasheet or visit the Time Mark website for support.
Who is the manufacturer of B257B?
Time Mark