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Time-Mark EX257B Three-phase Power Monitor
This 3-phase monitor relay detects phase loss, undervoltage, and phase reversal in industrial power systems. It features a 380 VAC coil voltage, a solid-state voltage sensing circuit, and a relay with a 10 amp contact capacity. Designed for motor control and system protection, it includes auto reset functionality, wide adjustable voltage range (85-120VAC and 160-240VAC), and UL recognition. The device is mounted via a plug-in 8-pin socket, compatible with Wye and Delta systems, and offers reliable operation with a five-year unconditional warranty, ensuring consistent power monitoring performance.
Time-Mark EX257B Three-phase Power Monitor Specifications:
- Coil Voltage: 380 VAC
- Contact Rating: 10 Amps
- Contact Configuration: Single Pole Double Throw (SPDT, 1 Form C)
- Mounting: 8-pin plug-in socket, compatible with Wye and Delta systems
- Voltage Adjustment Range: 85-120VAC and 160-240VAC
- Operation: Auto reset or manual reset options available
- Response Time: Approx. 50 ms
- Protection: Transient protection of 2500 VAC for 10 msec
- Enclosure: ABS plastic dust cover
- Agency Approvals: UL Recognized and CSA Certified
- Dimensions: Approximately 1.75 inches with tolerances of +0.06 inches
- Durability: 10 million mechanical operations, 100,000 electrical operations at rated load
- Humidity Tolerance: Up to 97% without condensation
- Temperature Range: 40°F to 151°F
Buy the Time Mark Series Phase Monitor: EX257B
Secure your systems' power quality with the reliable Time Mark Series three-phase monitor relay. Featuring a robust 380 VAC coil, 10A contacts, and auto reset, it safeguards against phase loss and voltage issues. Easy to install via plug-in socket, it is suitable for motor control and system monitoring in industrial environments. With UL recognition, CSA certification, and a five-year warranty, this device guarantees long-term performance and safety for your electrical system needs. Order online now for immediate system protection.
Order your Time Mark Series EX257B three-phase monitor relay today and ensure reliable power protection for your industrial systems.
Frequently Asked Questions
Where can I buy Time-Mark EX257B?
You can click on the BUY or RFQ button to purchase EX257B from an authorized Time-Mark distributor.
How do I troubleshoot issues or seek technical support for part EX257B?
You can download the EX257B datasheet or visit the Time-Mark website for support.
Who is the manufacturer of EX257B?
Time-Mark