BNC Panel Mount
Login
USD
0Free shipping on orders over $99 (flat shipping)
LoginUSD0
Elecbee Industrial Grade Modbus RTU 8 Channel Relay Module with RS485 Interface & Multiple Isolation Protections
SKU: EB0047704
Favorites
Key Features
Features:
- Multi-Layer Isolation Protection for Industrial Reliability: Equipped with ADI magnetic coupling isolation, optocoupler isolation, and TVS transient voltage suppression, this module ensures high anti-interference performance, surge/lightning protection (600W), and 15KV static resistance—ideal for harsh industrial environments.
- Modbus RTU & RS485 Compatibility for Scalable Control: Supports Modbus RTU protocol and RS485 address setting (1-255), allowing seamless cascading of multiple devices via RS485 bus. Works with repeaters for extended communication distances.
- High-Capacity Relays for Diverse Loads: Features 8 high-quality relays with a contact capacity of ≤10A 250V AC or ≤10A 30V DC, enabling direct control of household 220V AC appliances or 30V DC equipment.
- User-Friendly Design & Safety Features: Includes reverse-connection protection to prevent damage from incorrect wiring, plus a rail-mount ABS housing for easy installation. Three LED indicators (STA/MCU, TXD/RXD) provide real-time status monitoring.
- Flexible Operation Modes: Offers flash-on/flash-off functions (auto-relay shutdown after set time) and adjustable baud rates (4800-256000 bps) with default 9600, N, 8, 1 format—versatile for automation, control systems, and industrial IoT applications.
Show More
Specifications
Attribute
Value
Search
Wireless Capability
Bluetooth
Shipping Guide
Shipping | Delivery Period | For in-stock parts, orders are estimated to ship out in 3 days. Elecbee ships orders once a day at about 5pm except Sunday. Once shipped, estimated delivery time depends on the below carriers you chose. DHL Express: 3-7 business days DHLeCommerce: 12-22 business days FedEx International Priority: 3-7 business days EMS: 10-15 business days Registered Air Mail: 15-30 business days | |
| Shipping Rates | Shipping rates for your order can be found in the shopping cart. | ||
| Shipping Options | Shipping rates for your order can be found in the shopping cart. | ||
| Shipping Tracking | We will notify you by email with tracking number once order is shipped. You can track your order using the “Track My Order” feature. | ||
| Returning/Warranty | Returning | Returns are normally accepted when completed within 30 days from date of shipment, please contact customer service for a return authorization. Parts should be unused and in original packaging. Customer has to take charge for the shipping | |
| Warranty | All Elecbee purchases come with a 30-day money-back return policy, plus 1-year Elecbee warranty against any manufacturing defects. | ||
| This warranty shall not apply to any item where defects have been caused by improper customer assembly failure by customer to follow instructions, product modification, negligent or improper operation | |||
| Ordering | How to Buy | Elecbee accepts online orders. | |
| Add to cart > Check out > Submit order > Complete payment > Delivery | |||
| Payment | PayPal, Credit Card includes Visa, Master, American Express, Bank transfer. | ||
Description
Support setting device address (1~255) to cascade multiple devices via RS485 bus
With flash on and flash off function, you can bring parameters in the command, the operation relay will turn off automatically after a period of time
Onboard integrated power supply isolation can provide stable isolation voltage without additional power supply at the isolation end
Onboard integrated ADI magnetic coupling isolation, signal isolation, high reliability, strong anti-interference, low power consumption
Onboard TVS (transient voltage suppression tube), which can effectively suppress surge voltage and transient spike voltage in the circuit, lightning protection and static electricity protection
Onboard optocoupler isolation to avoid interference from relay high voltage circuits
Onboard anti-reverse connection circuit to avoid reverse connection of the positive and negative electrodes
Adopt high-quality relays, allowing access to load: ≤10A 250V AC or ≤10A 30V DC
Guide rail type ABS plastic shell, easy to install and use, more secure with shell
Three external LED indicators for easy viewing of MCU status and signal sending and receiving status
Parameter:
Power supply voltage: 5V
Communication interface: RS485
Communication baud rate: 4800, 9600, 19200, 38400, 57600, 115200, 128000, 256000
Default communication format: 9600, N, 8, 1
Number of relays: 8
Contact type: one normally open and one normally closed
Communication protocol: Standard Modbus RTU protocol
RS485 address setting: 1~255
RS485 interface protection: provide 600W lightning protection, surge and 15KV static protection (reserved 120R balanced resistance pad)
Indicator light:
STA: MCU indicator, flashes when the MCU is working normally
TXD: send indicator light, light on when sending data
RXD: Receive indicator, the light is on when receiving data
Package includes:
1 x 8-way relay module
RS485 communication:
Support setting device address (1~255), multiple devices can be cascaded through RS485 bus
When there are many cascade devices and the communication distance is long, RS485 repeater must be added according to the actual application
Relay wiring:
The device has a relay with a contact capacity of 10A 250V AC or 10A 30V DC
Can directly control household 220V AC equipment, can also control DC equipment below 30V
Recommended For You
Reviews
ELECBEE
All reviews come from verified purchasers
1 stars
0%
2 stars
0%
3 stars
0%
4 stars
0%
5 stars
0%
In-Stock:9990
Qty.
1
Unit Price
$ 34.99
Ext. Price
$ 34.99
$ 34.99
Can Ship in 1-3 Business Days
Qty.
Unit Price
Ext. Price
1+
$ 34.99
$ 34.99
10+
$ 33.24
$ 332.40
20+
$ 31.49
$ 629.80
100+
$ 27.99
$ 2799.00