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Littelfuse 455 Voltage Monitor
The 455 Series are advanced 3-phase voltage monitors designed for comprehensive motor protection in industrial applications. Capable of detecting line and load side faults, these monitors protect motors operating between 190-480VAC at 50/60Hz. Features include automatic voltage range selection, adjustable trip and restart delays, and voltage unbalance detection. Equipped with an infrared LED for remote diagnostics via optional tools, the 455 Series ensures continuous motor protection, prevents contactor wear, and enhances safety. Easy installation with line side power, suitable for high voltage environments, and compliant with safety standards.
Littelfuse 455 Voltage Monitor Specifications:
- Frequency: 50/60Hz
- Operating Temperature: -40°C to 70°C (-40°F to 158°F)
- Storage Temperature: -40°C to 80°C (-40°F to 176°F)
- Input Power: 6W
- Terminal: Wire size 12-18AWG
- Dimensions: Height 74.4 mm (2.93), Width 133.9 mm (5.27), Depth 74.9 mm (2.95)
- Weight: 1.1 lbs (17.6 oz, 498.95 g)
- Voltage Range: 190-480VAC, auto selection between 200V and 400V
- Trip Delay Time: 2-30 seconds adjustable
- Restart Delay Time: 2-300 seconds adjustable
- Voltage Unbalance Trip: 2-8%, adjustable
- Output Rating: SPDT contacts, 10A general purpose, 470VA pilot duty at 240VAC
- Safety Standards: UL508, CSA 22.2, IEC 60947-6-2
- Features: Load and line side monitoring, infrared communication compatible
- Certifications: UL, CSA, IEC
Buy the Littelfuse 455 – Reliable Voltage Monitor for Industrial Applications
Order the Littelfuse 455 voltage monitor online today to ensure your industrial motors are protected at all times. With advanced line and load side fault detection, adjustable delay settings, and remote diagnostic capabilities, this device guarantees safety, reliability, and efficiency. Ideal for high voltage applications, it supports continuous operation and helps prevent costly motor failures. Easy installation and compliance with safety standards make it the perfect choice for industrial facilities seeking dependable motor protection and operational peace of mind.
Get Littelfuse 455 today—built for precision and long-lasting durability in motor protection and industrial control systems.
Frequently Asked Questions
Where can I buy Littelfuse 455?
You can click on the BUY or RFQ button to purchase 455 from an authorized Littelfuse distributor.
How do I troubleshoot issues or seek technical support for part 455?
You can download the 455 datasheet or visit the Littelfuse website for support.
Who is the manufacturer of 455?
Littelfuse