Mitsubishi Electric Corporation ME049204 Regulator Relay

Description:

The Mitsubishi ME049204 Regulator Relay R8T30171 is used in heavy equipment electrical systems to regulate charging voltage and maintain stable power distribution to vehicle electrical components and batteries. Commonly installed in Mitsubishi diesel engines, excavators, and construction equipment requiring reliable alternator charging control. Maintenance teams, equipment operators, and diesel technicians use this regulator relay for charging system repairs, electrical troubleshooting, and replacement of failed voltage regulation components.

Applications:

The Mitsubishi ME049204 regulator relay is commonly used in Mitsubishi-powered excavators, construction equipment, and industrial diesel engine applications where stable alternator output and battery charging performance are required. The regulator controls alternator field current to maintain proper charging voltage and protect electrical components from overcharging or undercharging conditions. Applications include Mitsubishi 6D15 and 6D22 engine platforms as well as Kato, Kobelco, and similar heavy equipment utilizing Mitsubishi electrical systems.

Technical Specifications:

• Manufacturer part number (MPN): ME049204
• Alternate part number: R8T30171
• Manufacturer: Mitsubishi
• Product type: Regulator relay
• Function: Alternator voltage regulation
• System voltage: 24 VDC
• Application: Heavy equipment charging systems
• Compatible engine series: Mitsubishi 6D15, 6D15T, and 6D22 engines
• Compatible equipment: Excavators and construction machinery
• Mounting type: Bolt-on electrical module
• Connection type: Multi-pin electrical connector
• Primary function: Battery charging and voltage stabilization
• Installation location: Engine compartment electrical system
• Operating environment: Construction and industrial equipment
• Service application: Replacement and maintenance component
• Product status: Legacy heavy equipment electrical component.

Common Replacements:

• Mitsubishi ME049233 Regulator Relay
• Mitsubishi R8T30171 Regulator Relay
• CA0942080 Voltage Regulator Relay