Does it support harmonic measurement?

Yes, it offers optional measurement for 2nd to 63rd harmonic voltages and currents.

What are the standard input/output configurations?

The standard configuration includes 10 DI (dry/wet contact) and 6 DO (relay output) channels.

Industrial Motor Control and Protection Relay

Name: Industrial Motor Control and Protection Relay
Brand: Jiangsu Acrel Electrical Manufacturing Co., Ltd.
SKU: 1994021095

Jiangsu, ChinaJiangsu Acrel Electrical Manufacturing Co., Ltd.

US$215.40-646.20

1 Piece

Sample price:US$215.40/piece.Request sample

Product profile

Customization

Available

Theory

Electromagnetic Relay

Usage

Motor Relay

Model NO.

ARD3M

Phase

Electricity Type

Load

Medium Power Relay

Protective Characteristics

Open Relay

Action Principle

Numeric Type

Size

Miniature

Type

Electric Parameter Relay

Rated Voltage

660V

Rated Current

800A

Protocol

Modbus-RTU, Profibus-Dp, Profinet, Modbus-TCP, Wif

Measure

Voltage, Current, Power, Harmonic, Temperature

Protect

Over&Under Load and Voltage&Power, Short Circuit

Standard Configuration

10di/6do, 2 Modbus-RTU

Transport Package

Carton

Specification

ARD3M

Trademark

Acrel

Origin

China

HS Code

8536300000

Production Capacity

200000

Key features

Comprehensive Motor Protection: Covers over/under load, short circuit, stall, phase loss, and voltage unbalance for safe operation.

Multi-Protocol Communication: Supports Modbus-RTU, Profibus-DP, Profinet, Modbus-TCP, and optional WiFi for flexible integration.

Advanced Measurement Capabilities: Monitors voltage, current, power, harmonics (2-63rd), temperature, and energy with high precision.

Wide Current Range: Supports rated currents from 0.1A to 5000A with various transformer ratios (1, 5, 25, 100, 250, 800).

Rich Logic & Recording Functions: Includes fault records, running records, waveform recording, and logic diagram capabilities.

Flexible DI/DO Configuration: Standard 10 dry/wet contact inputs and 6 outputs with optional external power supply configurations.

Optional Advanced Features: Available options include leakage protection, anti-electric shock, 4-20mA output, and color LCD display.

Customization Support: Offers full customization, minor customization, and flexible customization based on samples or designs.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceExperienced Team

Jiangsu Acrel Electrical Manufacturing Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 8 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤4.79h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad customization and R&D capabilities, including ODM, OEM, SDK availability, multiple design tools, and documented design review, verification, and validation records. Production-related evidence includes SMT, assembly, and automated processing lines, inventory capacity, contracts with associated subcontractors, and standardized finished-product inspection instructions. Service management is supported by written procedures and records for corrective actions, complaints, supplier assessment, and quality assurance. The supplier has overseas agents or branches, export rights, and prior participation in MEE Middle East Energy, but reports no overseas warehouse or showroom and lists zero countries offering overseas services. Financial credibility cannot be assessed because only years are provided, without non-financial supporting results. No explicit certification holdings or customer case details are provided.

Supplier typeThe supplier operates or coordinates SMT, assembly, and automated processing facilities, maintains inventory capability, and has valid manufacturing contracts with associated subcontractors. It also holds self-operated import/export rights and has overseas agents or branches, indicating a manufacturing-oriented supplier with international service arrangements.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions, customer complaints, service-capability assessment, and quality assurance. Overseas agents or branches and prior participation in an offline trade show support service reach, while the absence of overseas warehouses and showrooms limits the evidence for localized after-sales infrastructure.

R&D capabilityThe supplier reports new products during the past year, ODM services, SDK availability, R&D responsibilities covering new-product development and production technology support, and use of AutoCAD, Pro/E, and SolidWorks. It also maintains auditable design input, output, review, verification, and validation documentation, supporting a demonstrated product-development process.

Production capacityProduction evidence includes SMT, assembly, and automated processing lines, standardized finished-product inspection instructions, inventory capability, valid contracts with associated subcontractors, and lead times within 15 workdays in both peak and off-seasons. These stated capabilities support a positive assessment of manufacturing and delivery readiness.

Customization capabilityThe supplier explicitly provides customization from samples, customization from designs, full customization, minor customization, and flexible customization. The same broad range is reported across R&D and design-service capability records, indicating substantial customization coverage.