Finder 7E.85.8.400.0210 Single-Phase Digital Energy Meter with Modbus RTU, CT 400A, Class B

Single-phase digital energy meter with Modbus RTU communication, current transformer input up to 400 A, and Class B accuracy for active energy (EN 50470-3).

Overview

The Finder 7E.85.8.400.0210 is a DIN-rail mounted energy meter designed for single-phase networks. It measures active and reactive energy, as well as instantaneous electrical parameters, and communicates via Modbus RTU over RS485. The meter is intended for use with an external current transformer (CT) with a 5 A secondary, enabling measurement of currents up to 400 A primary.

What stands out

• Class B accuracy for active energy (EN 50470-3)
• Modbus RTU (RS485) interface for integration into building management systems
• Backlit LCD display with 6+2 digits for energy reading
• Configurable S0 pulse output for remote monitoring
• Compact 2-module DIN rail housing (35.8 mm width)
• MID certified (Module B + D)

Technical details

• Meter type: Digital energy meter
• Phase: Single-phase
• Measurement: Active energy (kWh), reactive energy (kvarh), instantaneous values (V, A, P, Q, S, PF, Hz)
• Current input: Via current transformer (CT), 5 A secondary, max primary 400 A
• Nominal voltage: 230 V AC
• Frequency: 50/60 Hz
• Accuracy class (active energy): Class B (EN 50470-3)
• Display: LCD with backlight, 6+2 digits (kWh)
• Communication: Modbus RTU (RS485)
• Pulse output: S0 (configurable)
• Mounting: DIN rail
• Module width: 2 modules (35.8 mm)
• Protection degree: IP51 (front), IP20 (terminals)
• Operating temperature: -25 to +55 °C
• Certifications: MID certified (Module B + D)

Our verdict

The Finder 7E.85.8.400.0210 is a robust, MID-certified energy meter for single-phase applications requiring CT input and Modbus communication. Its compact size and high accuracy make it suitable for sub-metering and energy management in commercial and industrial settings.