NZR mME Current Transformer Meter T3M, MID, 3-Phase, 4-Wire, Bi-directional, 5A, Class B, DIN Rail 63021206

Energy managers and facility technicians use the NZR mME current transformer meter T3M to capture active energy consumption and generation in three-phase, four-wire networks. The meter is MID-certified for billing applications and supports bi-directional measurement, making it suitable for sites with on-site generation such as photovoltaic systems.

Key specifications

• Meter type: electronic current transformer meter
• Phases: 3-phase, 4-wire
• Measurement direction: bi-directional (import and export)
• Measured quantity: active energy (kWh)
• MID certification: yes (EN 50470-1/3)
• Nominal voltage: 3x230/400 V AC
• Nominal current: 5 A (secondary current)
• Maximum current: 6 A
• Frequency: 50 Hz
• Accuracy class: B (active energy)
• Display: LCD, 7-digit
• Tariff capability: multi-tariff (up to 4)
• Pulse outputs: 2x S0 (configurable for import/export)
• Communication interface: optical (IR)
• Mounting: DIN rail (4 modules / 4TE)
• Protection class: IP51 (front), IP20 (terminals)
• Operating temperature: -25°C to +55°C
• Energy registers: total, import, export (per tariff)

Why choose it

The T3M provides accurate and reliable energy metering for billing and monitoring in industrial and commercial installations. Its MID certification ensures compliance with European measuring instrument directives, and the bi-directional measurement supports net metering scenarios.

Ideal use cases

• Sub-metering in commercial buildings
• Monitoring of renewable energy systems
• Billing of tenant consumption
• Energy management in industrial facilities

Good to know

The meter is designed for connection to external current transformers with a secondary current of 5 A. It offers flexible tariff management and pulse outputs for integration with energy management systems.