Overview
The Mebay GV57 digital meter (part number 12001846) is a multi-functional panel meter designed for three-phase generator systems. GV57 is one multi-functional Meter used for Three phase generator which can check the voltage and current. It is also with the auto protection and alarm functions. This meter combines precision measurement with industrial-grade reliability for diesel engine generators and genset installations.
Key Features
- Micro-computer Control High-lighted LED tube Indication.
- Five screen display.
- Over frequency, over voltage and over current alarm with relay output for fault detection
- Configurable AC CT Ratio for different current ranges
- Direct Connected Installation for straightforward panel mounting
- Compact 100×100×77 mm form factor designed for standard panel cutouts
Technical Specifications
- Measurement accuracy: ±1%
- Display Type: Digital Only; Supply Voltage: AC165-275V Continuous
- Power Consumption: MAX3W
- Operating Temperature: -30-70℃
- Dimensions: 100mm*100mm*77mm
- Panel cut-out: 91mm * 91mm
- Weight: 0.32Kg
- Protection Level: IP54
- Display parameters: Line voltage (L1-L2, L2-L3, L3-L1), three-phase current, frequency, cumulative running hours
Typical Applications
The Mebay GV57 is ideal for:
- Diesel generator control and monitoring
- Industrial genset parameter display
- Three-phase power distribution systems
- Engine performance diagnostics
- Standby power and mobile generator installations
Compatibility & Replacements
Compatible With
- Three-phase AC generators (diesel, gas, or dual-fuel)
- Generator control panels with AC165-275V supply
- Standard 91×91 mm panel cutouts
- Current transformers (CT) with configurable ratio
Replaces / Drop-In Replacement For
- Mebay GV57 MKII (original GV57 MK2 model engines)
- GV57 with equivalent specifications and panel dimensions
Works With
- Mebay generator control systems
- Standard AC current transformers
- Industrial generator protection relays
- Manual and automatic load-sharing systems














