Single Phase STS Keypad Prepaid Meter with Interchangeable Module
This single-phase prepaid meter has functions such as metering, monitoring, alarm, display, communication and load control. It utilizes the STS standard encryption algorithm to exchange information based on a token.



Technical Specifications
Overview
Smart Prepaid Metering Solution
The DDZY217(KP3-1) is a robust single-phase STS keypad prepaid meter designed for efficient energy management. It utilizes the standard STS encryption algorithm for secure token-based information exchange, ensuring high metering accuracy and reliable load control. This versatile device supports multiple communication interfaces and advanced event logging, making it an ideal choice for residential and light commercial metering needs.
Technical Specifications
Reference Voltage
- 120V
- 220V
- 230V
- 240V
- Accuracy Class
- Class 1
- Current Rating
- 5(60)A10(80)A
- Reference Frequency
- 50 Hz
- Power Consumption
- <1.5W, 6VA
- RTC Deviation
- ≤0.5s/d
Operating Environment
- Operating Temperature
- -25°C to +60°C
- Limited Operating Temperature
- -40°C to +70°C
- Operating Voltage Range
- 0.8Un - 1.2Un
Communication & Features
Key Features
- STS Standard Encryption
- UIU Support
- Time of Use (TOU) - 4 Tariffs
- Friendly Power Supply
- Anti-tamper Protection
- Event Logging
- Communication Interfaces
- Optical PortRS485PLCRFGPRS3GTwist-wire
Physical Dimensions
Dimensions
- Net Weight
- 0.7 kg



