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The vast blue oceans of the Earth are the cradle of life and a crucial foundation for human sustainable development. Easy Semiconductor Technology (Hong Kong) Limited has always adhered to the concept of environmental protection and actively engaged in marine environmental protection initiatives. To assist marine

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Our company updates its popular products every week, and all popular products will have many discounts. We will quickly provide quotes for all products within 1 to 4 hours Product pictures are real photos, all products are in stock

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Become part of our mission to advance intelligent manufacturing. We provide a platform where professional growth aligns with sustainable impact. Beyond a rewarding career, our unique program for controller recycling and education extends the value of technology while cultivating future talent. Together, we can ensure that technological progress and environmental stewardship grow hand in hand.

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Original Equipment Manufacturer Part MMLG01AA9002D

Alstom / Areva MMLG01AA9002D single-function electromechanical undervoltage relay from MMLG01 series, specially used for real-time AC voltage monitoring of busbars, auxiliary power panels and traction power grids in medium voltage switchgear, railway traction substations and industrial power distribution rooms.

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Technical Specifications Basic Identification Brand: Alstom / Areva T&D Full Model Code: MMLG01AA9002D Product Series: MMLG01 Single-Function Voltage Relay Main Function: Undervoltage (UV) Monitoring & Delayed Trip Protection Rated Monitoring Voltage: 110 VAC, 50 Hz Enclosure Standard: Size 2 flush-mount cabinet housing Typical Application: MV substation busbar supervision, EMU/metro traction power supply protection, generator excitation cabinet interlock, transformer auxiliary control circuit Electrical Operating Parameters Nominal Input Voltage (Vn): 110 VAC, 50 Hz Undervoltage Pickup Adjustable Range: 70% ~ 95% × Vn Definite Time Delay Adjustment Range: 0.1 s ~ 10 s Reset Voltage Threshold: ≥102% rated voltage Continuous Permissible Operating Voltage: 80% ~ 115% Vn Coil Apparent Power Consumption: ≤7 VA under rated voltage Trip Logic: Time-delayed action, no instantaneous tripping