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Fox ESS 3ph Energy Meter CHNT DTSU666
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FE-3PH-METER-CT | Three-phase CHINT DTSU666 smart meter with external CTs for accurate import/export monitoring in Fox ESS three-phase systems.
Key Features
- Three-phase four-wire electronic energy meter (DTSU666) with Modbus RTU RS485.
- External CT clamps for non-invasive current measurement on each phase.
- Class B accuracy (±1.0%) for active energy per MID certification.
- Measures voltage, current, power, PF, frequency and bi-directional energy per phase.
- Essential for zero-export control on three-phase Fox ESS hybrid/AC inverters.
- Compact DIN-rail (4-module) design for consumer unit installation.
- Backlit LCD display cycling through all electrical parameters.
Technical Specifications
| Rated Voltage | 3×230/400 V AC |
| Current Input | 100A/40mA via external CTs |
| Accuracy Class | Class B (MID certified) |
| Communication | RS485 Modbus RTU (9600 bps) |
| Display | 7-digit LCD (voltage, current, power, energy, PF) |
| Pulse Output | 400 imp/kWh |
| Dimensions | 98 × 72 × 65 mm (4 DIN modules) |
Installation & Application
- Meter installs at main three-phase supply with CT clamps on L1, L2, L3 conductors.
- RS485 connection to Fox ESS three-phase inverter (screened cable up to 1000m).
- Provides real-time per-phase data for precise export limitation and energy management.
- Required for compliant G100 three-phase installations with Fox ESS equipment.
MPN: FE-3PH-METER-CT
Model: CHINT DTSU666 3-Phase with External CTs
Professional-grade three-phase metering solution for Fox ESS systems, delivering accurate multi-phase monitoring essential for commercial zero-export and advanced energy management applications.
- Type Solar Metering
- Vendor Fox ESS
- SKU FE-3PH-METER-CT
Please note: Delivery times may vary depending on location, with specific details outlined below.
Standard Delivery
UK Mainland
- Delivery Time: 2–4 working days
- Free Delivery on most orders
- £4.95 for small items
- £69 for Solar Panels, Batteries and other specialized large items delivery
Express Delivery
UK Mainland
- Delivery Time: 1–3 working days
- Free Delivery
- £4.95 delivery for small items
Channel Islands
- Postcodes Covered: GY*, IM*, JE*
- Minimum Order: £50
- Delivery Fee: £70
Northern Ireland, Offshore Territories & Scottish Islands
- Postcodes Covered: BT*, HS*, KW, ZE
- Minimum Order: £50
- Delivery Fee: £35
Same Day Delivery
- Eligible Postcodes:
E*, EC*, N*, NW*, SE*, SW*, W*, WC*, HA*, UB*, EN*, IG*, RM*, KT*, SM*, CR*, BR*, DA*, TW* - Minimum Order: £50
- Same Day Delivery Fee: £70
- Special Requests or Locations:
For areas outside these postcodes or urgent quotes, please email orders@qualityheating.co.uk and we’ll do our best to accommodate.
Collections
Want to collect your order instead?You’re welcome to do so — just email us at orders@qualityheating.co.uk or message us via WhatsApp with your preferred collection time, and we’ll confirm the details.
Collection address: 284 Water Rd, Unit 9, London, HA0 1HX
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