Three Phase CT-PT Operated Meter CL730D22H

Designed specifically for medium and large-scale commercial and industrial electricity usage scenarios, the CL730D22H three-phase CT-PT operational meter integrates high-precision measurement with smart grid compatibility, fully meeting the stringent energy management demands of modern commercial and industrial users.

As a smart meter certified by DLMS/COSEM international standards, the CL730D22H sets an industry benchmark with 0.2s class active energy accuracy and 1.0 class reactive energy accuracy, ensuring precise measurement of every kilowatt-hour. It provides reliable billing data for utilities and electricity-consuming enterprises, effectively enhancing revenue assurance and operational efficiency.

Functions

Power Measurement Features

Bidirectional active energy measurement
Four-quadrant reactive energy measurement
Fundamental + harmonic energy analysis
Maximum demand monitoring

Data Management
Load profile recording (programmable)
Event logs / alarms / real-time notifications
Tamper detection and logging

Display & Operation
Programmable auto-scrolling display (manual toggle supported)

System Integration
DLMS/COSEM compliant
External/internal RF/cellular communication modules (plug-and-play, AMI-compatible)

Power & Performance
Wide input voltage range: 48 – 130 V DC / 220-240 V AC
Accuracy guaranteed: Compliant at 57.7 V for single/dual-phase loads

Extended Functions
Real-time clock (RTC) & calendar management
Auxiliary relay control interface

Options

Multi-tariff Billing (Supports Time-of-Use / Time-Based Pricing)
Electrical Pulse Signal Output
Local Communication: Optical Interface
Remote Communication: RS485 Expansion Port
Remote Firmware Upgrade Support
Real-Time Data Push Notifications
Magnetic Interference Detection
User-Replaceable External Battery Design

Item	Parameter
Nominal Voltage (Un)	3 × 57.7 / 100 V … 3 × 240 / 415 V (3P4W) 3 × 100 V … 3 × 110 V (3P3W)
Voltage Range for Operation	0.8 Un … 1.2 Un
Nominal Frequency	50 / 60 Hz ± 5%
Nominal Current	1 A, 5 A,
Maximum Current	5 A, 6 A, 10 A
Starting Current	0.1% In
Voltage Circuit Power Consumption	< 2 W / 10 VA
Current Circuit Power Consumption	≤ 1 VA (per phase)
Display	10000 imp / kWh, 10000 imp / kVarh
Operating Temperature	– 25 ℃ … 70 ℃
Storage Temperature	– 40 ℃ … 70 ℃
Humidity	≤ 95%, non-condensing
Accuracy Class	Active: 0.2 s / Reactive: 1
Ingress Protection	IP54
Communication Protocol	IR / RS485 / RS232, PLC / RF
Dimensions (mm)	292.5 (L) × 170 (W) × 87 (H)
Weight	1600 g

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published: 12 Dec, 2025