Trade Discount 25%
kWh Meter 3P 3 Wire 3x380V 5-80A Direct DIN Rail Chint
Chint DSSU666 three phase 3 wire kWh meter features 3x380V 5(80)A direct connection, Class B accuracy and LCD display with pulse output. Ideal for sub-metering.
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Alternatively Known As: CHINT DSSU666 Energy Meter, Three-Phase Sub-Meter, DIN Rail kWh Meter, 3P3W Electricity Meter
Technical Specifications
- Connection Type: Three-phase, three-wire, 3P3W
- Nominal Voltage: 3x220/380V to 3x240/415V
- Current Rating: Direct connection, 0.25-5(80)A; commonly specified as 5(80)A
- Accuracy Class: Class B / Class 1.0 for active energy
- Frequency: 50Hz or 60Hz
- Energy Constant: 800 impulses/kWh
- Display: Backlit LCD
- Pulse Output: Energy pulse indication output
- Measured Parameters: Import/export kWh and kvarh, instantaneous kW, kvar, kVA, voltage, current, frequency and power factor
- Communications: RS485 with Modbus-RTU, where fitted
- Power Consumption: Maximum 2W, 10VA
- Ingress Protection: IP20
- Mounting: Standard 35mm DIN rail
- Dimensions (H x L x W): 100mm x 72mm x 65mm
- Weight: 0.33 kg
Key Features
- Direct connection up to 80A without current transformers
- Three-phase, three-wire configuration for suitable 3P3W installations
- Class B accuracy for active energy measurement
- Backlit LCD for clear energy readings
- Pulse output for remote energy monitoring or control systems
- Optional RS485 Modbus-RTU communications
- Supports import and export energy measurement
- Compact DIN rail format for switchboards and sub-metering panels
Professional Installation Requirements
- Installation and wiring must be carried out by a licensed electrician in accordance with applicable Australian electrical installation requirements, manufacturer instructions and site isolation procedures. If used for billing or trade measurement, the meter must also have the required Australian pattern approval and verification.
Applications
- Commercial and industrial sub-metering
- Tenant and apartment energy monitoring
- Switchboard energy monitoring
- Solar and renewable energy monitoring systems
- Energy management and building automation systems
- Three-phase equipment and circuit consumption measurement
Standards & Compliance
- Relevant Australian electricity-meter standards include AS 62052.11 for general requirements and AS 62053.21 for active-energy meter accuracy requirements.
- For billing or trade measurement in Australia, applicable electricity meters and sub-meters require NMI pattern approval and verification; confirm approval status for the specific meter variant before use.
Environmental Benefits
- Enables sub-metering and consumption monitoring to identify energy-saving opportunities
- Low operating consumption of up to 2W supports efficient monitoring installations
- Long service life in fixed switchboard applications can reduce replacement waste
- Electronic components should be recycled through appropriate electrical and electronic waste channels at end of life
Warranty Information
CHINT meters are covered by an 18-month warranty from the date of manufacture when supplied through authorised sales channels, subject to the applicable sales contract and warranty conditions.
Available Now
Available through authorised CHINT distributors in Australia.
