Description
The ControlByWeb® X-WR-4R3-E is a web-enabled WebRelay-Quad™ remote relay control module designed for simple, reliable control of up to 4 electromechanical relays. As the PoE-capable model in the WebRelay-Quad family, the X-WR-4R3-E is a practical choice for installations that benefit from streamlined wiring and flexible power delivery. Its straightforward browser-based interface and no-code logic builder make it easy to configure, monitor, and control relay actions without special software.
Built for remote relay control applications, the X-WR-4R3-E can be used manually or through automation using its open REST API or Modbus TCP/IP communication. It is well suited for pump and motor control, lighting control, and security lock systems, offering dependable operation in industrial, commercial, and OEM environments. If you need a compact relay controller with simple setup and Ethernet-based control, the X-WR-4R3-E delivers an efficient and easy-to-use solution.
Key Features
- 4 Relay Outputs: Control up to four electromechanical relays from one compact module.
- PoE and DC Power Support: The -E model supports Power over Ethernet and/or standard 9–28 VDC line power.
- Simple Web Dashboard: Configure and operate the unit through a browser-based interface.
- No-Code Logic Builder: Create basic control logic without programming software.
- Remote Relay Control: Ideal for manual or automated switching applications.
- Open Protocol Support: Works with HTTP, XML, and Modbus TCP/IP for flexible integration.
- Password Protection: Supports secure access to setup and control pages.
- Compact Industrial Design: Rugged enclosure built for dependable use in demanding environments.
Specifications
| Technical Specification | Detail |
|---|---|
| Product Model | X-WR-4R3-E |
| Product Type | Original WebRelay-Quad™ | 4 Relay Module |
| Relay Outputs | 4 |
| Relay Contact Type | SPDT (Form C) |
| Max Relay Voltage | 28 VAC / 24 VDC |
| Max Relay Current | 3 A |
| Power Requirements | PoE Class 0 (0.44–12.94 W) and/or 9–28 VDC |
| Max Current Draw | 477 mA Max |
| Network Interface | 10/100 Base-T Ethernet Port |
| Network Setup | Static IP address assignment, TCP port selectable |
| Protocols | HTTP, XML, Modbus TCP/IP |
| Relay Modes | ON/OFF or Pulse |
| Pulse Timer Duration | 0.1 to 86,400 seconds (1 day) |
| Operating Temperature | -40°F to 150°F (-40°C to 65.5°C) |
| Dimensions | 1.41 in W x 3.88 in H x 3.1 in D (35.7 x 98.5 x 78 mm, excluding connector) |
| Weight | 5 oz (142 g) |
| Enclosure Material | Lexan 940 Polycarbonate Plastic |
| Flame Rating | UL94 V0 |
| Electromagnetic Compliance | IEC CISPR 22, CISPR 24, EU EN55024, EN55022, FCC 47CFR15 Class A |
| Password Protection | Setup page: Yes / Control page: Optional |
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