NZR EcoCount SL 3-Phase Electronic DIN Rail Energy Meter, 5(1)A CT, Class B, MID, S0 Pulse 33420205

Class B accuracy and MID conformity make the NZR EcoCount SL a billing-grade 3-phase energy meter for indirect connection via current transformers. It measures active energy (kWh) on 3x230/400V networks and outputs pulses via S0 for remote monitoring.

Overview

The NZR EcoCount SL (model 33420205) is an electronic DIN rail energy meter designed for 3-phase systems with indirect current transformer connection. It accepts a nominal CT secondary current of 1A or 5A, and is suitable for billing applications thanks to its MID conformity (Module B+D) and Class B accuracy according to EN 50470-1/3. The meter features a clear LCD display with 6+2 digits and a single S0 pulse output with a rate of 1000 impulses per kWh.

What stands out

• MID certified for billing (Module B+D)
• Class B accuracy (EN 50470-1/3)
• Indirect connection via current transformers (1A or 5A secondary)
• S0 pulse output for integration with energy management systems
• Compact 4 TE (72 mm) DIN rail mounting
• Wide operating temperature range: -25°C to +55°C

Technical details

• Meter type: Electronic energy meter
• Measured quantity: Active energy (kWh)
• Phase: 3-phase
• Connection type: Indirect (via current transformers)
• Nominal current (CT secondary): 1A / 5A
• Nominal voltage: 3x230/400V AC
• Frequency: 50/60 Hz
• Accuracy class: Class B (EN 50470-1/3)
• MID conformity: Yes (Module B+D)
• Output interface: S0 pulse output (1x)
• Pulse rate: 1000 imp/kWh
• Display: LCD, 6+2 digits
• Mounting: DIN rail (EN 50022)
• Module width: 4 TE (72 mm)
• Protection class: IP51 (front), IP20 (terminals)
• Operating temperature: -25°C to +55°C
• Starting current: 0.004 Ib
• Max current: 6A (for 5A CT secondary) / 1.2A (for 1A CT secondary)
• Power consumption: < 0.8 W per phase
• Backlight: No

Our verdict

A reliable, MID-certified meter for sub-billing and energy monitoring in three-phase installations with current transformers. The S0 output ensures easy integration into building management systems.