Littelfuse 201A-9 3-Phase Plug-In Voltage Monitor

Product Description

The Littelfuse 201A-9 3-Phase Plug-In Voltage Monitor is engineered to protect 190 to 480 VAC, 50/60 Hz motors of any size by continuously monitoring voltage and phase conditions. This monitor automates voltage selection between 200V and 400V, enhancing usability in diverse electrical setups.

• Advanced microcontroller-based monitoring for phase reversal and voltage unbalance.
• Integrated high voltage detection and configurable trip delays.
• User-friendly LED diagnostics indicate operational statuses and issues.

Product Highlights

This compact, DIN rail-mountable device offers a blend of reliability and performance, suitable for harsh industrial environments. It ensures optimal performance and longevity with minimal maintenance requirements.

Technical Specifications

• Voltage Range: 190 to 480 VAC
• Frequency: 50/60 Hz
• Output Form: SPDT
• Load Rating: 480VA at 240VAC (Pilot Duty), 10A at 240VAC (General)
• Environmental Tolerance: Operates effectively from -20 to 70°C
• Mounting: DIN rail or surface mount