What is the average lead time for production?

The average lead time is within 15 workdays for both peak and off-season periods.

Does the device support harmonic measurement?

Yes, it supports 2-63rd harmonic measurement as an additional feature, along with waveform recording.

Open-Phase Protection Relay

Name: Open-Phase Protection Relay
Brand: Jiangsu Acrel Electrical Manufacturing Co., Ltd.
SKU: 1997287505

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

Phase

Model NO.

ARD3M

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: Protects against overload, short circuit, phase loss, voltage imbalance, and more for safe operation.

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

Precise Measurement & Monitoring: Measures voltage, current, power, harmonics, and temperature with optional waveform recording.

Flexible Customization Options: Offers customization from samples, designs, and full customization for tailored solutions.

Wide Voltage Range Application: Suitable for low-voltage motor circuits with rated voltage up to 660V AC.

Programmable Logic Control: Features logic programmable functions to meet various control methods and automation needs.

Robust Build Quality: Miniature size with IP20/IP54 protection grades, suitable for harsh industrial environments.

Certified Compliance: Complies with GB 14048.4-2020 and JBT 10736-2007 standards for low-voltage switchgear.

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: ≤3.61h

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.

Product Q&A

Q:What protection functions does the ARD3M relay provide?

It provides comprehensive protection including overload, under-load, short circuit, stall, block, current/voltage unbalance, over/under voltage, phase loss, phase sequence, and temperature monitoring.

Q:What communication protocols are supported?

Standard configuration includes 2 channels of Modbus-RTU. Optional protocols include Profibus-DP, Profinet, Modbus-TCP, and WIFI.

Q:What is the rated voltage range for the motor?

The protector is suitable for low-voltage motor circuits with a rated voltage up to 660V AC (220V/380V/660V).

Q:Can the device be customized?

Yes, customization options include customization from samples, designs, full customization, minor customization, and flexible customization.

Q:What is the minimum order quantity?

The minimum order quantity is 1 PC.