NZR EcoCount SL 5//1A M-Bus Bidirectional Electricity Meter, MID Certified, 3-Phase, 1A CT, DIN Rail 43420405

Accurate energy billing in commercial and industrial installations demands a meter that handles indirect current-transformer measurement and bidirectional energy flow. The NZR EcoCount SL 5//1A M-Bus meets this with MID-certified precision and M-Bus connectivity for remote reading.

Who is it for

Electricians, facility managers, and energy service providers who need a reliable, MID-compliant meter for sub-billing or energy monitoring in three-phase systems with current transformers.

Main features

• MID certified for billing purposes (Class B / Class 1 accuracy)
• Indirect connection via current transformers, 1 A secondary nominal, 5 A maximum
• Bidirectional measurement: import and export active energy (kWh)
• M-Bus communication interface for remote meter reading
• S0 pulse output for active energy
• LCD display with backlight for clear reading
• DIN rail mounting, 4 modules wide
• Single tariff support
• Internal clock for time-related functions

Specifications

• Meter type: Electronic electricity meter
• Connection type: Indirect (current transformer)
• Nominal current (CT secondary): 1 A
• Maximum current (CT secondary): 5 A
• Number of phases: 3-phase (4-wire)
• Nominal voltage: 3x230/400 V AC
• Frequency: 50/60 Hz
• Measurement direction: Bidirectional (import & export)
• Communication interface: M-Bus
• Display: LCD with backlight
• Accuracy class: Class B (MID) / Class 1 (IEC)
• Pulse output: S0 for active energy
• Tariff support: Single tariff
• Internal clock: Yes
• Operating temperature range: -25°C to +55°C
• Protection class: IP51

Tips

Ensure the current transformer secondary rating matches 1 A for accurate measurement. For remote reading, connect the M-Bus interface to a compatible M-Bus master.