How does the device handle power outages?

It features built-in power-loss state memory to automatically restore circuits in the preset order when power is restored.

What communication protocol does it use?

It uses the standard Modbus-RTU protocol over an RS485 communication bus.

Can I configure different permission types for cards?

Yes, it supports up to 10 built-in permission modes to distinguish between guest, housekeeping, and maintenance cards.

G1 Rcu Cost-Effective Energy Control System Rcu RS485 Relay Controller

Name: G1 Rcu Cost-Effective Energy Control System Rcu RS485 Relay Controller
Brand: GTD IOT TECHNOLOGY CO., LTD.
SKU: 2333744885

Guangdong, ChinaGTD IOT TECHNOLOGY CO., LTD.

US$72.00

1-99 Pieces

US$69.00

100-999 Pieces

US$65.00

1,000+ Pieces

Sample price:US$72.00/piece.Request sample

Product profile

Customization

Available

Type

Standard

Installation Form

35mm Standard DIN Rail

Model NO.

1RCU-0640Y

Structure

6 Loops

Application

Household Appliances

Shape

Rectangular

Shrapnel

Silver

Certification

Rated Current

40 a

Material

PVC

Power Consumption

<5W

Transport Package

Good Quality Bag + Box + Carton

Specification

460mm*350mm*80mm (length, width and height)

Trademark

GTD

Origin

China

Key features

6-Channel 40A High Load: 6 independent channels support up to 40A per channel for AC220V high-power devices.

Hotel Energy Saving System: Complete solution with card switches for power-on, delayed power-off, and permission management.

Fire Safety Linkage: Built-in interface for fire alarm dry-contact signal to force power cut during emergencies.

Modbus-RTU Protocol: Standard RS485 communication bus for reliable data transmission and control.

Power-Loss Memory: Automatically restores circuits in preset order after power outage without simultaneous surge.

DIN Rail Mounting: 35mm standard DIN rail design with no-drilling for easy installation.

Local Operation & Display: Digital display and physical buttons allow on-site status checking and parameter config.

OEM Customization Service: Professional design, R&D, and manufacturing support for brand customization needs.

Company profile

GTD IOT TECHNOLOGY CO., LTD.

Guangdong, China

Business Type: Manufacturer/FactoryAverage Response Time: ≤4.58h

About Our Factory & Business Background

AddressDafu Industrial Zone, Dafu Community, Guanlan Street, Longhua District, Shenzhen, Guangdong, China

Our Production Capability & Technical Expertise

Main ProductsWall Switch, Door  Lock, Tact  Switch, Push  Button  Switch, Sensor  Switch, WiFi  Products, Combination  Lock, Junction  Box

Product Q&A

Q:What is the maximum load capacity per channel?

Each of the 6 channels supports a maximum rated load of 40A.

Q:How does the delayed power-off feature work?

After the room card is removed, the system waits for a preset time before automatically cutting off high-power loads to save energy.

Q:Can the device be customized for my brand?

Yes, we offer OEM customization services including design, R&D, and production to meet your specific brand needs.

Q:What is the mounting method for this controller?

It adopts a 35mm DIN rail design that requires no drilling or extra mounting brackets.

Q:Does the system support fire safety linkage?

Yes, it has a built-in fire linkage interface that connects to fire alarm hosts to force power cut during emergencies.

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