Finder 7M.38.8.400.0312 Three-Phase Energy Meter, Direct Connection, 80 A, Modbus RS485, S0 Pulse, DIN Rail, 4 Modules

In commercial and industrial electrical installations, accurate energy monitoring is essential for cost allocation and system optimization. The Finder 7M.38.8.400.0312 is a digital three-phase energy meter designed for direct connection up to 80 A, making it suitable for sub-metering in distribution boards, machine monitoring, and building management systems. It measures active and reactive energy, voltage, current, power, frequency, and power factor, with a backlit LCD for clear reading. Communication via Modbus RS485 and an S0 pulse output enables integration with energy management systems and data loggers. The meter mounts on a standard DIN rail and occupies 4 modules, fitting easily into existing panels.

Key specifications

• Meter type: Digital three-phase energy meter
• Connection type: Direct connection
• Maximum current: 80 A
• Nominal voltage: 3x230/400 V AC
• Frequency: 50/60 Hz
• Active energy accuracy: Class B (EN 50470-3)
• Reactive energy accuracy: Class 2 (EN 62053-23)
• Display: Backlit LCD
• Communication: Modbus RS485
• Pulse output: S0 (open collector)
• Mounting: DIN rail, 4 modules
• Measured parameters: Active energy (kWh), reactive energy (kvarh), voltage, current, power, frequency, power factor
• Operating temperature: -25 to +55 °C
• Protection degree (front): IP50
• Protection degree (terminals): IP20
• Tariff management: Single tariff
• Internal clock: Yes

Why choose it

This meter provides reliable and precise energy data for three-phase systems, enabling better energy management and cost control. Its direct connection up to 80 A eliminates the need for external current transformers, simplifying installation. The Modbus RS485 interface allows seamless integration with building automation and SCADA systems, while the S0 pulse output offers a simple way to connect to pulse counters or data loggers. The backlit LCD ensures readability in low-light conditions, and the compact 4-module DIN rail design saves space in electrical panels.

Ideal use cases

• Sub-metering in commercial buildings to allocate energy costs per tenant or department
• Monitoring energy consumption of industrial machines and production lines
• Integration into building management systems for real-time energy data
• Data collection for energy audits and efficiency projects

Good to know

The meter is designed for direct connection and is suitable for networks with a nominal voltage of 3x230/400 V AC. It operates reliably in temperatures from -25 to +55 °C. The front of the meter has an IP50 protection rating, while the terminals are IP20, so it should be installed in a suitable enclosure to protect against dust and moisture. The internal clock supports time-based functions, and the single tariff configuration simplifies billing for basic applications.