Littelfuse 201A 3-Phase Plug-In Voltage Monitor 190-480 Volt

Product Description

The Littelfuse 201A is a reliable 3-phase voltage monitoring device designed for use in industrial applications. This product features advanced microcontroller technology to continuously monitor voltages. If harmful conditions arise, the 201A will deactivate its output relay after a specified delay and reactivate when conditions normalize.

• Monitors 190 to 480 VAC across three phases
• SPDT output configuration for versatile installation
• DIN rail or plug-in mounting options available

Product Highlights

The Littelfuse 201A provides real-time diagnostics with LED indicators to display operational status, including faults and normal conditions.

Product Information

Standard Information

• Manufacturer: Littelfuse
• MPN: 201A

Technical Specifications

• Voltage Rating: 190 to 480 VAC
• Frequency Rating: 50/60 Hz
• Operating Temperature: -4 to 158 degrees F
• Dimensions: 2.38 inches W x 4.13 inches D x 1.75 inches H
• Weight: 0.7 lb
• Contact Configuration: SPDT
• Standards/Approval: UL 508, CE Certified