Description
The X‑WR‑4R3‑I WebRelay‑Quad™ is a simple yet powerful remote relay controller with 4 onboard electromechanical SPDT relays. Designed for straightforward automation tasks, it features a built-in web interface, no-code logic builder, and REST API access—ideal for remote device control in commercial, industrial, and security environments. Whether you’re toggling pumps, lights, or locks, this compact Ethernet-based unit offers reliable control and seamless integration with Modbus TCP/IP and HTTP/XML protocols.
Key Features
-
4 Independently Controlled SPDT Relays
• 3 A max per relay; general purpose; ON/OFF or pulse modes (up to 24 hrs) -
Simple Browser-Based Interface
• No software needed—configure and operate directly from any web browser -
Remote Control Access
• REST API, Modbus TCP/IP, and HTTP/XML protocol support -
Secure Access
• Password-protected setup and optional control page authentication -
Compact & Durable Design
• Industrial-grade Lexan housing; UL94 V-0 flame rating; –40 °C to 65.5 °C operation
Specifications
| Category | X‑WR‑4R3‑I Details |
|---|---|
| Model | X‑WR‑4R3‑I (standard 9–28 V DC) |
| Power Requirements | 9–28 V DC; Max current: 320 mA |
| Relays | 4 × SPDT (Form C); 3 A max @ 28 VAC / 24 V DC; AgSnO₂; < 50 mΩ; 100K electrical ops |
| Relay Modes | ON/OFF or Pulse (0.1 to 86,400 seconds) |
| Network | 10/100 Base‑T Ethernet (RJ‑45); Static IP configuration |
| Connectors | 14-position, 3.81 mm terminals; supports 16–28 AWG |
| LED Indicators | 7 LEDs: Power, Relays 1–4, Network Link, Activity |
| Protocols | HTTP, XML, Modbus TCP/IP; REST API |
| Password Security | Base64-encoded passwords; 10-character max; control page protection optional |
| Operating Temp | –40 °F to 150 °F (–40 °C to 65.5 °C) |
| Size & Weight | 1.41″ W × 3.88″ H × 3.1″ D; 5 oz (142 g) |
| Material & Rating | Lexan 940 polycarbonate; UL94 V-0 flame rated enclosure |
| Compliance | FCC Part 15 Class B (standard); IEC CISPR 22/24, EN55022/55024 |
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