What is the minimum order quantity?

The minimum order quantity is 1 piece.

What are the lead times for shipping?

Lead time is within 15 workdays for both peak and off-peak seasons.

Does the module support OEM and ODM services?

Yes, both OEM and ODM services are available for this product.

O Module

Name: Four-Channel Di and Four-Channel Relay Output RS-485/RS232 Data Acquisition Remote I/O Module
Brand: Shenzhen Weijunrui Technology Co.,Ltd
SKU: 2305418805

Guangdong, ChinaShenzhen Weijunrui Technology Co.,Ltd

US$35.55-35.99

2 Pieces

Sample price:US$35.99/piece.Request sample

Product profile

Customization

Available

Task

Adjust

Structure

Combination

Model NO.

WJ70

Mathematical Model

Linear

Signal

Continuous

Function

Automatic Control

Certification

Condition

New

Customized

Material

Stainless Steel

Features

Four Switch Input, Four Relay Output

Features1

Support Modbus RTU Communication Protocol

Input/Output/Power Supply

Three-Isolation (1500VAC)

Wide Power Supply Range

8 ~ 32VDC

Transport Package

Wayjunr

Specification

120 x 70 x 43mm

Trademark

wayjunr

Origin

Guangdong, China

Production Capacity

9999

Key features

Four DI and Four Relay Output: Features four switch inputs and four relay outputs for versatile control applications.

Modbus RTU Protocol Support: Supports Modbus RTU communication for easy integration with RS-485/RS-232 systems.

Triple Isolation Protection: Provides 1500VAC isolation between input, output, and power supply for high reliability.

Wide Power Supply Range: Operates on a wide DC voltage range from 8V to 32VDC for flexible power options.

DIN35 Rail Mounting: Designed for standard DIN35 rail installation, ensuring easy and compact setup.

Customizable Module Settings: Allows programming of module address and baud rate to suit specific network needs.

Comprehensive CE Certification: Meets CE safety standards, ensuring compliance for industrial and commercial use.

OEM and ODM Services: Offers full customization, minor customization, and flexible options for custom designs.

Company profile

Self-brandedHigh Repeat Buyers ChoiceIn-stock CapacityFast Delivery

Shenzhen Weijunrui Technology Co.,Ltd

Guangdong, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤0.96h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad customization, 3D design, ODM, OEM, SDK, and recent product-development capabilities. It reports raw-material traceability, 100% finished-product inspection, CE certification, in-stock capacity, and stated order fulfillment within 15 working days in both off-peak and peak seasons. However, quality control appears limited to one inspector and packing-staff checks, while formal procedures for supplier assessment, corrective actions, and complaint handling are absent. The supplier has no overseas warehouse, showroom, agent, or branch, and its export experience is three years with exports representing 11%–20% of sales. Financial credibility cannot be established because the provided financial fields report zero values. Customer evidence includes OEM service for popular brands and a 50%–80% repeat-buyer rate, but no Fortune 500 cooperation.

CertificationsCE certification is explicitly reported for product compliance with standards. The evidence supports holding at least this certification, but does not establish broader certification coverage.

After-Sales capabilityThe supplier reports no written procedures or records for handling customer complaints, and it lacks overseas warehouses, showrooms, agents, and branches. These are explicit limitations in formal complaint management and overseas service infrastructure.

R&D capabilityThe supplier reports R&D capability, new products launched during the past year, two R&D engineers, ODM services, and an available SDK. These explicit capabilities indicate active product-development and software-related innovation capacity.

Production capacityThe supplier reports in-stock capacity, 100% finished-product inspection, raw-material traceability, and fulfillment within 15 working days in both peak and off-peak seasons. However, only one quality inspector is reported and finished products are checked by packing staff, so the evidence supports operational capacity but reflects a limited documented quality-control structure.

Customization capabilityThe supplier explicitly offers 3D software design, customization from samples and designs, full, minor, and flexible customization, as well as ODM and OEM services. The range of stated services indicates strong customization breadth.

Client casesThe supplier states that it provides OEM services for popular brands, while reporting no cooperation with Fortune 500 companies. A 50%–80% repeat-buyer rate is also reported, providing evidence of customer retention but not independently detailed customer case references.