Acrel Apm520 AC 0.2% Accuracy RS485communication Modbus RTU Protocol Maximum Demand Alarm Panel Power Meter

Name: Acrel Apm520 AC 0.2% Accuracy RS485communication Modbus RTU Protocol Maximum Demand Alarm Panel Power Meter
Brand: ACREL CO., LTD.
SKU: 2176357102

Shanghai, ChinaACREL CO., LTD.

US$195.30

1 Piece

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

2 Years

Warranty

2 Years

Model NO.

APM520

Display

Digital

Installation

Indirect Connected

Usage

Multi-Functional Energy Meter, Watt-Hour Meter, Meter for Industry and Home Use, Standard Electric Energy Meter, Reactive Energy Meter, Maximum Demand Meter

Electric Equipment

Three-phase Four-wire

Theory

Electronic Meter

Power Meter Connection

Terminal

Measured Signal

Continuous Wave

Type

Energy Meter

Certification

Customized

Accuracy Class

Class 0.5

Rated Input Voltage

AC100V 110V 400V 690V

Power Supply

AC/DC 85V~265V or AC/DC 115~415V

Protocol

Modbus-RTU or Modbus-TCP

Insulation Resistance

Inputs, Outputs to The Shell>100MΩ;

Relative Humidity

≤95%

Altitude

≤2500m

Transport Package

Carton

Specification

96*81*96mm

Trademark

Acrel

Origin

China

HS Code

9028301400

Production Capacity

50000

Key features

Ethernet Communication

AC Three Phase Measurement

High Accuracy Class 0.2S

4DI/2DO

2-63rd Harmonic

Panel Mounted Installation

RS485 Communication

Company profile

Exhibition ExperienceQuality AssuranceR&D CapabilitiesManagement Certification

ACREL CO., LTD.

Shanghai, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤4.49h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad electrical, power-electronics, automation, IoT, software, and related equipment business coverage. It has documented procedures for corrective and preventive actions, complaint handling, supplier-service assessment, and finished-product inspection. Its capabilities include 3D software design, ODM, SDK provision, new-product development, extensive customization, SMT/DIP production, automated sensing, debugging, and testing. Overseas support is available through agents or branches in Singapore, including installation, training, repair, maintenance, and debugging. However, the supplier has no reported in-stock capacity, overseas warehouse, overseas showroom, or valid manufacturing-capacity contract with related subcontractors. Evidence is insufficient for certification holding and customer cases.

Supplier typeThe stated business scope covers electrical signal equipment, power-electronic components, instruments and meters, software, intelligent equipment, lighting, IoT and information-security devices, charging stations, power-distribution control equipment, and industrial automation systems. Its facilities include SMT and DIP assembly lines plus automatic sensing, debugging, and testing equipment, indicating a manufacturer and technical equipment supplier rather than a purely trading-oriented entity.

After-Sales capabilityThe supplier has documented complaint-handling and corrective/preventive-action procedures with records, and overseas service capability through agents or branches in Singapore covering installation, training, repair, maintenance, and debugging. However, it reports no overseas warehouse and no overseas showroom; these are logistical limitations but do not negate the documented service functions.

R&D capabilityThe supplier provides 3D software design, ODM, SDK access, and multiple forms of customization, and reports new products during the past year. Nevertheless, it states that it has not established an AI model for big-data processing and decision-enabled management, which is a stated sustainability and digital-management gap rather than proof of insufficient product innovation.

Production capacityProduction evidence includes SMT and DIP assembly lines, automatic electricity-sensor production, and automatic debugging and testing equipment; finished-product inspection instructions are uniformly followed. Lead times are stated as within 15 workdays in both peak and off-seasons, but the supplier reports no in-stock capacity and no valid manufacturing-capacity contract with related subcontractors, limiting evidence of flexible or backup capacity.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, flexible customization, 3D software design, and ODM services. These combined statements provide direct evidence of broad customization and design-development capability.

Product Q&A

Q:What installation type does APM520 adopt?

APM520 is a 96X96 embedded panel meter, only supports flush mounting. The cabinet cut-out size is 88X88mm. When multiple meters are installed side by side, please keep a spacing of 30mm.

Q:What I/O modules are optional for APM520?

APM520 supports optional 4DI+2DO switch module and 2-channel analog output (AO) module. It also has built-in energy pulse output interface.

Q:Which communication protocols does APM520 support?

Standard RS485 interface with Modbus-RTU and DL/T645-2007 protocols. It can be expanded with Ethernet for Modbus-TCP communication.

Q:What is the measurement accuracy of APM520?

Voltage & current: 0.2% accuracy; Active power: 0.5% accuracy; Reactive power: 1% accuracy; Active energy up to 0.2S class with S option.