2208D Switch Signal Converter

Wireless for DC Signals

Converts DC 12-48V input signals to RF 433 MHz output, ideal for industrial control, vehicle systems, and solar applications.

Wide Voltage Input

Supports DC 12-48V wide voltage range, compatible with various power systems without extra voltage regulators.

Compact & Hideaway Design
Small form factor fits easily into control boxes or equipment enclosures, perfect for space-limited installations.

DC to RF Signal Conversion

Converts traditional DC dry contact signals into wireless signals.
Wide DC Input Range

Supports DC 8–48V input for wider device compatibility.
Dual Input Trigger

Supports dual S1 / S2 inputs for more flexible control.
Ultra-Compact Design

Compact size for easy concealed in-box installation.

Examples Of Use Cases

ERC2208-D 2-Channel DC Signal Transmitter

Product model	RF version ERC2208 WiFi version ERC2208-W ZigBee version ERC2208-Z
Power supply	AC100V ~ 240V 50/60Hz
Inputs	2 inputs for existing wired switch(es)
Radio frequency	RF version: RF 433MHz WiFi version: WiFi 2.4G + RF 433MHz ZigBee version: ZigBee 2.4G + RF 433MHz
Operating range	Up to 80m outdoors Up to 25m indoors (May vary depending on conditions)
Operating temperature	-20℃ ~ +55℃
Dimensions	L44W44H22mm
Certifications and standards	EN 60669-1: 2018 EN 60669-2-1:2004+A1:2009+A12:2010 EN 62479:2010 EN 50665:2017 ETSI EN 301 489-1 V2.2.3 (2019-11) ETSI EN 301 489-17 V3.2.4 (2020-09) ETSI EN 300 328 V2.2.2 (2019-07) ETSI EN 300 220-1 V3.1.1 (2017-02) ETSI EN 300 220-2 V3.2.1 (2018-06)