The XZ388 Integrated Three Phase STS Prepaid Energy Meter is a high-performance smart electricity metering solution designed for residential, commercial, and industrial sub-metering applications. Built for challenging power environments, the XZ388 provides reliable operation under unstable grid conditions with extended surge protection up to 13kV, a wide voltage operating range, and strong RF immunity.
Designed for three-phase four-wire networks, this advanced prepaid meter supports up to 100A per phase, making it an ideal revenue protection device for utilities and energy providers in regions where voltage fluctuations, brownouts, and power dips are common.
With STS prepaid technology, DLMS/COSEM compliance, advanced tamper detection, and AMR/AMI communication support, the XZ388 enables secure, accurate, and intelligent electricity management.
Supports STS (Standard Transfer Specification) prepaid operation
Enables secure electricity credit management
Supports prepaid and credit mode hot swapping
Automatically disconnects during:
Overload conditions
No-credit situations
| Parameter | Specification |
|---|---|
| Model | XZ388 |
| Meter Type | Integrated Three Phase STS Prepaid Energy Meter |
| Prepaid Technology | STS |
| Accuracy Class | Class 1.0 |
| Network Type | Three Phase Four Wire |
| Nominal Voltage (Un) | 230V |
| Voltage Range | -50% to +130% |
| Limited Voltage | 70%–120% Un |
| Frequency | 50–60Hz |
| Frequency Tolerance | ±5% |
| Basic Current (Ib) | 5A |
| Maximum Current (Imax) | 80A |
| Starting Current (Ist) | 20mA |
| Active Energy Constant | 1000 imp/kWh |
| Voltage Circuit Consumption | <2W / <8VA |
| Current Circuit Consumption | <1VA |
| Measurement Accuracy | Class 1.0 |
| Operating Temperature | -25°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Insulation Level | 4kV rms / 1 minute |
| Voltage Impulse Withstand | 8kV (1.2/50μs) |
| Protection Class | Class II |
| Meter Shell Protection | IP54 |
| Maximum Cable Size | 8mm |
| Test Item | Performance |
|---|---|
| Lightning Surge Protection | Up to 13kV |
| Contact Discharge | 8kV |
| Air Discharge | 16kV |
| RF Immunity (27MHz–500MHz) | 10V/m |
| RF Immunity (100kHz–1GHz) | 30V/m |
| Fast Transient Burst Test | 4kV |
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The XZ388 Integrated Three Phase STS Prepaid Energy Meter is a high-performance smart electricity metering solution designed for residential, commercial, and industrial sub-metering applications. Built for challenging power environments, the XZ388 provides reliable operation under unstable grid conditions with extended surge protection up to 13kV, a wide voltage operating range, and strong RF immunity.
Designed for three-phase four-wire networks, this advanced prepaid meter supports up to 100A per phase, making it an ideal revenue protection device for utilities and energy providers in regions where voltage fluctuations, brownouts, and power dips are common.
With STS prepaid technology, DLMS/COSEM compliance, advanced tamper detection, and AMR/AMI communication support, the XZ388 enables secure, accurate, and intelligent electricity management.
Supports STS (Standard Transfer Specification) prepaid operation
Enables secure electricity credit management
Supports prepaid and credit mode hot swapping
Automatically disconnects during:
Overload conditions
No-credit situations
| Parameter | Specification |
|---|---|
| Model | XZ388 |
| Meter Type | Integrated Three Phase STS Prepaid Energy Meter |
| Prepaid Technology | STS |
| Accuracy Class | Class 1.0 |
| Network Type | Three Phase Four Wire |
| Nominal Voltage (Un) | 230V |
| Voltage Range | -50% to +130% |
| Limited Voltage | 70%–120% Un |
| Frequency | 50–60Hz |
| Frequency Tolerance | ±5% |
| Basic Current (Ib) | 5A |
| Maximum Current (Imax) | 80A |
| Starting Current (Ist) | 20mA |
| Active Energy Constant | 1000 imp/kWh |
| Voltage Circuit Consumption | <2W / <8VA |
| Current Circuit Consumption | <1VA |
| Measurement Accuracy | Class 1.0 |
| Operating Temperature | -25°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Insulation Level | 4kV rms / 1 minute |
| Voltage Impulse Withstand | 8kV (1.2/50μs) |
| Protection Class | Class II |
| Meter Shell Protection | IP54 |
| Maximum Cable Size | 8mm |
| Test Item | Performance |
|---|---|
| Lightning Surge Protection | Up to 13kV |
| Contact Discharge | 8kV |
| Air Discharge | 16kV |
| RF Immunity (27MHz–500MHz) | 10V/m |
| RF Immunity (100kHz–1GHz) | 30V/m |
| Fast Transient Burst Test | 4kV |
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