CLOU CL730S24 are high-performance three phase smart meters for commercial scenarios. As core AMI devices, they support PLC, RF and cellular communication with flexible configuration and stable data transmission. Featuring DLMS compliance, excellent compatibility and secure communication, the meters enable seamless STS pre/post-payment switching and reliable offline operation for efficient energy management and cost reduction.
Functions
Core Metering Functions
- Bidirectional active/Quadrant-reactive energy measurement
- Neutral current monitoring
- Real-time clock & Maximum demand reset
- Load profile recording (Full DLMS/COSEM compliance)
Billing Management - Dual-mode support: Seamless STS prepaid & postpaid switching
- Multi-tariff structure: TOU/TOD time-based billing
- Tamper detection & Alarm notification system
Smart Features - Remote firmware updates (FOTA)
- Plug-and-play AMI integration
- Modular communication (PLC/RF/Cellular optional)
- Built-in load control relay
Interface Configuration - Standard P1 port (optional) + RS-232 with modem power
- Passive IR/RS485 LCD display (no power needed for reading)
- Navigation button + STS backup keypad
Industrial Design - Ultrasonic-welded case
- Screw-sealed structure
- Replaceable battery design
| Item | Parameter |
|---|---|
| Nominal Voltage (Un) | 3 × 220/380 V … 3 × 240/415 V |
| Voltage Range for Operation | 0.6 Un … 1.3 Un |
| Nominal Frequency | 50 Hz / 60 Hz ± 5% |
| Nominal Current | 0.25 … 5 A |
| Maximum Current | 60 A, 100 A |
| Starting Current | 0.2% In / 0.4% In |
| Voltage Circuit Power Consumption | ≤ 2 W, 10 VA (per phase) |
| Current Circuit Power Consumption | ≤ 4 VA (per phase) |
| Display | LCD |
| Meter Constant | 1000 imp/kWh, 1000 imp/kVarh |
| Operating Temperature | -25°C … 70°C |
| Storage Temperature | -40°C … 70°C |
| Humidity | ≤ 95%, non-condensing |
| Accuracy Class | Active: 1.0 or MID class B, Reactive: 2.0 |
Ingress Protection Ingress Protection against Water and Dust | IP54 |
| Communication Protocol | GPRS / 3G / 4G / IR / RS232 / RS485 / P1 / MBUS, PLC / RF |
| Dimensions (mm) | 290.5 (L) × 170 (W) × 81.5 (H) |
| Weight | 1720 g |
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Title: CL730S24_WEB__EN__V4__20260914
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published: 15 Sep, 2026
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