C2204 Single controller on-off EBELONG

Dry Contact Controller

Compact Embedded Design

Tiny size allows embedded installation inside equipment or junction boxes, saving space and enabling discreet smart control.

16A High-Current Relay

Built-in 16A relay directly controls high-power loads like lights and motors—no external contactors required.

1-Channel ON/OFF Control
Single relay output for reliable switching, ideal for lighting, ventilation, security, and more.

2304 10A dry contact controller
  • Ultra low profile

    Ultra low profile

    A concentrate of technology and features, in less than 21mm thickness.

  • Potential-free input

    Potential-free input

    Whatever you put in, the controller will drive it out. Possibilities are limitless, from light control, to boiler to garage door.

  • Compatible with wired switch control

    Compatible with wired switch control

    Wireless kinetic switch and traditional switch can be used at the same time to achieve dual or multiple control easily.

  • Supported expansion

    Supported expansion

    Optional gateway pairing to realize app and voice control (google assistant, Amazon Alexa)

Examples Of Use Cases

ERC2304XX Compact Dry Contact Controller

C2204 10A Dry contact controller
Product modelRF version ERC2304
WiFi version ERC2304-W
ZigBee version ERC2304-Z
Power supplyAC100V ~ 240V 50/60Hz
Inputs1 input for existing wired switch
Max LoadSPST 16A(1 way)
Resistiveload: 2200W(220V–)
Radio frequencyRF version: RF 433MHz
WiFi version: WiFi 2.4G + RF 433MHz
ZigBee version: ZigBee 2.4G + RF 433MHz
Operating rangeUp to 80m outdoors
Up to 25m indoors
(May vary depending on conditions)
Operating temperature-20℃ ~ +55℃
Memory capacityMaximum 10 switches
DimensionsL44*W44*H22mm
Certifications and standardsEN 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)

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