---
lang: "en"
title: "Single-phase power meter, direct connection up to 45 A, MODBUS"
sku: "PRO1-MOD"
canonical_url: "https://shop.marcomweb.it/en/modbus/single-phase-power-meter-direct-connection-up-to-45-a-modbus"
brand: "MARCOM S.r.l."
end_of_life: "false"
---

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PRO1-MOD: single-phase power meter, direct connection up to 45 A, MID class B approval, RS485 Modbus, pulse output

Direct Insertion Single-Phase Power Meter -Rs485

## Technical Specifications

- Height with protective cover: 116mm
- Height without protective cover: 90mm
- Width: 17.5 mm
- Depth: 63mm
- Mounting: DIN rail
- Active energy: ± 1%
- Starting current: 0.05Ib
- S0 pulse duration: T-on: 45 ms T-off: 270 ms T-t: 140us
- Operating humidity: ≤75%
- Storage humidity: ≤95%
- Operating temperature: -25 ° ... + 55 ° C
- Storage temperature: -30 ° ... + 70 ° C
- Nominal voltage (Un): 230 V AC
- Operating voltage: 100 / 173V ... 270 / 468V
- AC voltage resistance for 1 min: 4KV
- Impulse voltage 1.2uS Waveform: 6KV
- Base current (Ib): 5A
- Maximum current (Imax): 45A
- Operating current range: 0.4% Ib ~ Imax
- Over current: 30Imax for 0.01 s
- Operating frequency range: 45-60 Hz
- Int. power consumption: ≤ 2 W / Phase - ≤ 10 VA / Phase
- Basic error: standard
- International standard: EN50470-3
- IP protection: 51
- Protective class: II
- Connection mode: U

---

Source: https://shop.marcomweb.it/en/modbus/single-phase-power-meter-direct-connection-up-to-45-a-modbus

MARCOM S.r.l. — a trusted supplier for industrial automation and building automation.