Product Overview

• Part No: MAVS01L1AB0501D
• Brand: ALSTOM

• Category: Voltage Protection RelayMAVS01L1AB0501D is part of ALSTOM MAVS series plug-in protection relay. It monitors AC voltage signals continuously, supporting adjustable protection threshold and time delay settings for overvoltage or undervoltage protection. The relay outputs dry contact signals for alarm or protection interlock when voltage deviates from preset range. With transparent front cover and standard plug-in structure, it is a common spare component for power distribution and auxiliary power protection cabinets in power plants and substations.

• 
  

Core Features

• Continuous voltage measurement with configurable operating threshold and delay
• Dry contact output for alarm and interlock control circuits
• Transparent cover for status observation and on-site inspection
• Standard plug-in modular design for quick replacement
• Built-in surge suppression, good anti-interference performance

• Passed EMC, vibration and temperature cycling reliability tests

• 
  

Technical Specifications

• Auxiliary Supply: 110V/220V AC/DC
• Rated Frequency: 50/60Hz
• Operating Temperature: -20°C ~ +60°C
• Storage Temperature: -40°C ~ +85°C
• Installation: Chassis plug-in mounting

• Front Protection Class: IP40

• 
  

Compatibility & Application

• Suitable for ALSTOM traditional secondary protection cabinet system
• Widely applied in thermal power plants, self-generation power stations and distribution substations
• Used for auxiliary power grid voltage monitoring, overvoltage/undervoltage protection and equipment interlock