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Home YC-BUS Series Relay Switch Module
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4 CH 20A Relay Switch Module

Model No:RL.04.20A

The 4-channel 20A smart switch module serves as a system switch execution unit, typically installed in a distribution box. It can control the switching of lights, the on/off state of devices, the on/off state of passive dry contacts, the opening and closing  of strong or weak current curtains, the hot/cold valve of water-cooled air conditioning, and the switching between high/medium/low fan speeds.


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Wiring Diagram
Features
Application scenarios
Product tutorial
Product Features
Rail-mounted installation
4-channel 20A relay switching
Circuit initial state setting
Delay control
Configurable interlock mode
Status feedback
Manual control
Local control
Remote control
Simple wiring
Scene control
Control various types of lights
Fire alarmlinkage
Fire-resistant material
Mechanical strong cut off function
Online program update
YC-BUS protocol
RS485 protocol
Product Specifications
Operating Voltage
24VDC±10%
Maximum Power Consumption
≤3.2W
Rated Voltage
250/400VAC
Output Circuit
4-channel relay
Relay
Hongfa single contact magnetic latching relay
Rated Current
20A (single channel),Surge current capability: 500A/2ms (single channel)
Switching Cycles
empty load：1,000,000times， load：30,000times
Protection
circuit breaker for each circuit
Operating Temperature
-5˚C~45˚C
Operating Relative Humidity
≤90%
Storage Temperature
-20˚C~60˚C
Storage Relative Humidity
≤93%
Dimensions（L*W*H）
72mm*102 mm*68 mm
Net Weight
≤316 g/pcs
Enclosure Material
flame retardant PP
Installation Methodg Current of Relay
standard 35mm DIN rail mounting
Dimension
The module uses a compact 4P DIN rail mounting structure
Software Presentation
0420relaymodule1280
configuration software
controlinterface1280
classroom
hotel
HA
Product Structure Description
By integrating with an intelligent lighting gateway, local switch control and remote switch control can be achieved. It can also be connected to HOMEASSISTANT.
Application Scenarios
SINGLEAREA2720470
Solution for Single-space lighting control system
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building720470
Solution for Traditional Building Lighting Retrofit and Upgrade
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SMARTHOME720470
Solution for Smart Home
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EXHIBITIONHALL720470
Solution for Exhibition Halls
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720470NEW
Solution for Office Buildings
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factory720470
Solution for Large Manufacturing Plant
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MUSEUMPHOTO720470
Solution for Museum
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Hotel intelligent dimming system
Solution for Hotel Public Areas
Learn more
User Manual(RL.04.20A)
English 中文
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Reference Cases
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SCHOOL700430
Guangzhou Tieyi High School Intelligent Lighting System Project
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Zhenlong Metro Command Center Smart Lighting System Project
Zhenlong Metro Command Center Smart Lighting System Project
exhibitonhall700430
Hangzhou Wuzhen Exhibition Hall Intelligent Lighting System Project
Hangzhou Wuzhen Exhibition Hall Intelligent Lighting System Project
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factory700430
FAW Jiefang Automobile Co., Ltd.
FAW Jiefang Automobile Co., Ltd.
library700430
Panyu Library Smart lighting control system
Panyu Library Smart lighting control system
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