Accunergi MT-RM Series 3-Phase In-Row Modular UPS System
The Accunergi MT-RM Series 3-Phase In-Row Modular UPS is a high-power 3-in / 3-out modular UPS system engineered for large-scale critical environments requiring scalability, reliability, and continuous operation. Designed with a plug-in rack-mount architecture, the system supports N+X parallel redundancy and full digital control with dual DSP chips, ensuring stable and efficient power delivery for mission-critical applications.
This modular UPS solution is purpose-built for large data centers and telecommunications hubs, offering a flexible capacity design that grows with operational demand. Its hot-swappable modules allow system expansion or maintenance without downtime, ensuring uninterrupted power availability.
System Architecture & Scalability
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Modular Power Modules: Available in 20kVA, 25kVA, 30kVA, and 50kVA capacities
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Flexible Expansion:
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20–30kVA modules scalable from 20kVA up to 150kVA
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50kVA modules scalable from 50kVA up to 200kVA
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High Power Density: Supports up to 10 modules in parallel with a maximum output of 300kW
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Hot-Swappable Design: Online module insertion and removal with zero maintenance downtime
Key Performance Indicators
The MT-RM Series delivers high electrical performance while maintaining energy efficiency and system stability.
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AC-AC Efficiency: Up to 96%
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Input Power Factor: ≥ 0.99
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Low Harmonic Distortion: THDi ≤ 3%
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High Reliability: MTBF exceeding 250,000 hours
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System Availability: Up to 99.999% with redundant modules
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Unbalanced Load Capability: Supports 100% unbalanced loads with balanced three-phase input current
Advanced Battery & Protection Functions
To maximise battery lifespan and system safety, the MT-RM Series integrates intelligent control and comprehensive protection features.
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Three-Stage Intelligent Charging: Constant current, constant voltage, and float charging
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Battery Flexibility: Supports external battery configurations from 30 to 50 sections
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Adjustable Charging Current for different battery requirements
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Comprehensive Protection:
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Emergency shutdown (EPO / REPO)
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Short-circuit protection
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Over-temperature protection
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Bypass backflow protection
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Monitoring, Communication & Physical Configuration
The system includes an LCD interface for redundancy configuration and real-time system status monitoring. Communication options support seamless integration with facility management systems.
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Monitoring & Communication:
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LCD display
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SNMP, RS485, and dry contact support
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Physical Configuration:
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Frame sizes ranging from 8U to 17U (depending on module type and quantity)
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Centralised Control Unit (ECU)
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Dedicated bypass module for enhanced power supply capacity
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