Three Phase Four Wire Keypad Prepaid Electric Meter
This three-phase, four-wire keypad prepaid electric meter accurately measures electrical energy consumption. It features a keypad interface for convenient prepaid credit management.
Technical Specifications
Product Overview
Advanced Three-Phase Prepaid Metering
This three-phase four-wire keypad digital electronic meter is designed for precise energy measurement and secure prepayment management. It features a robust anti-tampering design and advanced MCU technology to ensure reliable performance even in demanding field conditions. The integrated keypad allows for easy entry of recharge codes, making it an ideal solution for residential, commercial, and industrial applications requiring efficient credit management.
Core Metrics
Key Performance Metrics
1
Accuracy Class
50 Hz
Frequency
400 imp/kWh
Impulse Constant
Electrical Specifications
Available Current Ratings
- 5(20)A
- 5(30)A
- 10(40)A
- 10(60)A
- 20(80)A
- 30(100)A
- 5(100)A
- Rated Voltage
- 230V/400V
Functional Features
Key Features
- Reverse electricity calculation
- Low power consumption
- Surface Mount Technology (SMT) construction
- Complete self-diagnostic data memory check
- Immunity to external magnetic interference
- Keypad interface for credit management
Anti-Tamper Protection
Anti-Tamper Capabilities
- Phase and neutral connection interchange detection
- Reverse connection protection (incoming to outgoing terminals)
- Earth load indication (6% to 10% current difference)
- Partial bypass measurement accuracy
Design & Installation
Physical Dimensions
| Dimension Type | Value |
|---|---|
| Width | 129.99 mm |
| Height | 223 mm |
| Depth | 43.44 mm |
| Mounting Distance | 104 mm |
Compliance & Protection
Protection Rating
IP54
- International Standards
- IEC62052-11IEC62053-21IEC62053-23GB/T18460.3-2001
