A Premier B2B Part Search
Littelfuse 250A Voltage Monitor
The 250A Series is a 3-phase voltage and phase monitor designed for protecting motors from voltage irregularities and phase issues. It automatically detects and responds to low/high voltage, unbalance, phase reversal, and faults, ensuring motor safety. Equipped with microcontroller-based continuous monitoring, adjustable trip delays, LED diagnostics, and versatile relay outputs, it provides reliable protection for industrial systems. Suitable for use with fire control panels, it offers quick visual fault indication, manual reset, and wide operating voltage range from 190 to 480VAC, enhancing system longevity and operational stability.
Littelfuse 250A Voltage Monitor Specifications:
- Frequency: 50°/60Hz
- Voltage Range: 190-480VAC
- Unbalance Trip: 45%
- Low Voltage Trip: 85%
- High Voltage Trip: 110%
- Trip Delay Time: 4 seconds
- Reset Delay Time: 2 seconds
- Output Contact Rating: 10A @ 240VAC
- Pilot Duty: 80VA @ 240VAC
- Temperature Range: -40°C to 70°C
- Trip & Reset Accuracy: 41%
- Maximum Input Power: 5W
- Relative Humidity: Up to 95% non-condensing
- Terminal Torque: 7 in-lbs
- Wire Size: 12-18 AWG
- Transient Protection: IEC 61000-4-5;1995 +6kV
- Approvals: UL508, CSA 22.2 No. 14, CE IEC 60947-6-2
- Dimensions: H 74.4 mm, W 133.9 mm, D 74.9 mm
- Weight: 1.02 lb (462.66 g)
- Mounting Method: Panel Mounting
Buy the Littelfuse Series 250A Voltage Monitoring: 250A
Protect your motors and ensure reliable operation with the Littelfuse 250A Voltage Monitor, a versatile, microcontroller-based device. It detects low/high voltage, unbalance, phase reversal, and line faults, with selectable trip delays and LED diagnostics for easy fault identification. Suitable for wide voltage ranges from 190 to 480VAC, it features manual reset, DPDT relay contacts, and approval for industrial applications. Enhance system durability and safety by purchasing online today—engineered for accuracy, durability, and easy installation.
Get Littelfuse 250A Series Voltage Monitor today—built for precision and long-lasting durability in industrial motor protection.
Frequently Asked Questions
Where can I buy Littelfuse 250A?
You can click on the BUY or RFQ button to purchase 250A from an authorized Littelfuse distributor.
How do I troubleshoot issues or seek technical support for part 250A?
You can download the 250A datasheet or visit the Littelfuse website for support.
Who is the manufacturer of 250A?
Littelfuse