Digital Energy

Integrated Power Monitoring Device (ZSA)

Name: Integrated Power Monitoring Device (ZSA)
Brand: YESLON
SKU: zsa-power-monitor
Price: 1 CNY
Availability: InStock

ZSA-31331-R

Power monitoring device with full-wave and harmonic analysis, independent bidirectional energy metering, event and extreme-value logging, and an IP52 front panel.

Class 0.57DI+2DOIP52

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Integrated Power Monitoring Device (ZSA)

Product Overview

Power monitoring device with full-wave and harmonic analysis, independent bidirectional energy metering, event and extreme-value logging, and an IP52 front panel.

Core capabilities

Full-wave and harmonic analysis: Three-phase voltage, current, power and individual harmonic parameters.. Independent bidirectional energy: Forward and reverse active and reactive energy accumulated separately.. Digital inputs and outputs: 2DI+2DO or 7DI+2DO, programmable..

Data Generated

Class 0.57DI+2DOIP52

Product Features

Full-wave and harmonic analysis

Three-phase voltage, current, power and individual harmonic parameters.

Independent bidirectional energy

Forward and reverse active and reactive energy accumulated separately.

Digital inputs and outputs

2DI+2DO or 7DI+2DO, programmable.

High-speed MODBUS communication

RS485 with physical isolation, 1200~38400bps.

Event and extreme logging

Events, extremes, maximum demand, 24-hour curve, 30-day peaks.

Dot-matrix LCD

26 pages of electrical parameters for on-site checking.

System Topology

Technical Parameters

Technical Data

Wiring Three-phase three-wire, three-phase four-wire Voltage range AC 5~500V, overload 1.2 times continuous / 2 times for 1s Current range AC 20mA~5A, overload 1.2 times continuous / 10 times for 5s Frequency 45 ~ 65Hz Power supply AC220V / AC85~265V / DC100~300V, ≤5VA Energy pulse 1 channel, constant 8000imp/kWh

Wiring	Three-phase three-wire, three-phase four-wire
Voltage range	AC 5~500V, overload 1.2 times continuous / 2 times for 1s
Current range	AC 20mA~5A, overload 1.2 times continuous / 10 times for 5s
Frequency	45 ~ 65Hz
Power supply	AC220V / AC85~265V / DC100~300V, ≤5VA
Energy pulse	1 channel, constant 8000imp/kWh
Communication	RS485, MODBUS-RTU, 1200~38400
Digital output	3A/250VAC, 3A/30VDC
Measurement class	Electrical quantities 0.5; active energy 0.5; reactive energy 1.0
Display	Dot-matrix LCD, 26 pages of electrical parameters
Operating temperature	-10℃ ~ +45℃
Degree of protection	Front panel IP52

Installation Instructions

Standard 35 mm DIN rail mounting; terminals: supply side L1/L2/L3, N, PE, communication and signal terminals as marked on the device.

Key Points

FAQ

Which electrical parameters can be measured?

Three-phase voltage, current, power, power factor and frequency are measured, together with total harmonics and individual harmonic components, presented as 26 parameter pages on the display.

How do I choose between the two models?

ZSA-31331-R provides 2DI+2DO and ZSA-31333-R provides 7DI+2DO. The choice follows the number of remote control and remote measurement points required by the installation.

What is the energy metering accuracy?

Electrical quantities and active energy are class 0.5, reactive energy is class 1.0, and frequency accuracy is ±0.2Hz. The energy pulse output has a constant of 8000imp/kWh.

What are the installation and environmental conditions?

The device mounts through a 72×72mm or 96×96mm panel cut-out. The front panel is rated IP52 and the operating temperature is -10℃~+45℃.

What certification applies and how is pricing provided?

Certification is held through a CE / CMA / CNAS accredited laboratory. Price is quoted per model and option; Request a quote with the model code and the DI/DO configuration required.

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