Home/ABB/ABB RMU610 2VAA008425R1 Medium voltage ring main unit
ABB RMU610 2VAA008425R1 Medium voltage ring main unit
ABB RMU610 2VAA008425R1 is a 12kV medium-voltage ring main unit, designed for flexible networking and reliable operation of distribution networks. Integrating power distribution, protection, and isolation functions, this device adopts a fully sealed insulation structure and vacuum arc-extinguishing technology. It can realize power distribution, fault isolation, and load control of medium-voltage distribution lines, serving as a core equipment in the "hand-in-hand" ring network power supply mode of medium-voltage distribution networks.
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ABB RMU610 2VAA008425R1 Medium voltage ring main unit
Specific Parameters
- Rated Electrical Parameters
- Rated Voltage: 12kV
- Rated Current: 630A
- Short-Circuit Breaking Current: 25kA (number of breaking operations under rated short-circuit current ≥30 times)
- Rated Short-Time Withstand Current: 25kA/3s
- Rated Peak Withstand Current: 63kA
- Mechanical and Protection Parameters
- Operating Mechanism Type: Spring operating mechanism
- Protection Class: IP4X (cabinet), IP67 (cable compartment)
- Mounting Type: Indoor floor-mounted
- Cabinet Material: Epoxy resin coated steel plate
- Environmental Parameters
- Operating Temperature Range: -25°C to +55°C
- Storage Temperature Range: -40°C to +70°C
- Relative Humidity: 5% to 95% (non-condensing)
- Vibration Resistance: IEC 60068-2-53, Class 1
Product Performance
- Compact Integrated Design: Small cabinet size (width×depth×height approximately 800mm×650mm×1600mm) allows installation in narrow spaces, adapting to dense power distribution scenarios.
- High Insulation Reliability: Adopts SF6 gas or solid insulation technology (depending on configuration), with stable insulation performance, no leakage risk, and service life ≥30 years.
- Stable Breaking Performance: The vacuum interrupter has strong arc-extinguishing capability, and the short-circuit breaking time is ≤2 cycles, ensuring quick isolation during faults and reducing power outage range.
- Maintenance-Free Feature: The spring operating mechanism requires no regular oiling, and the interrupter has no mechanical wear, with a maintenance cycle ≥15 years under normal operation.
- Intelligent Compatibility: Reserved intelligent sensor interfaces, can integrate temperature-humidity monitoring and partial discharge detection functions, supporting access to distribution automation systems.
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