Waveshare Industrial Modbus RTU 8-Ch Relay Module (B) with RS485 Interface, Multi Isolation Protection Circuits, 7~36V Power Supply

★★★★★ 4.5 145 reviews

$38.99
Price when purchased online
Free shipping Free 30-day returns

Sold and shipped by parfumluna.store
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here.
$38.99
Price when purchased online
Free shipping Free 30-day returns

How do you want your item?
You get 30 days free! Choose a plan at checkout.
Shipping
Arrives Apr 9
Free
Pickup
Check nearby
Delivery
Not available

Sold and shipped by parfumluna.store
Free 30-day returns Details

Product details

Management number 209081396 Release Date 2026/03/29 List Price $15.60 Model Number 209081396
Category
  • Configurable device address (1~255), multi devices can be cascaded on RS485 bus
  • Features flash-on, flash-off function, by passing argument to the command, it is possible to turn on the relay for a while and then close it automatically
  • Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal
  • Onboard unibody magnetical isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
  • Onboard resettable fuse and TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, provides over-current/over-voltage proof, lightningproof & anti-electrostatic
  • Onboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit
  • Adopts dedicated relay driver chip, with built-in flyback diode protection, for stronger and more stable driving ability
  • Reverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection
  • High quality relay, contact rating: ≤10A 250VAC/30VDC
  • Rail-mounted ABS plastic enclosure, easy to install, safe to use. 3 LEDs for indicating the MCU status and signal transceiving status

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Customer ratings & reviews

4.5 out of 5
★★★★★
145 ratings | 59 reviews
How item rating is calculated
View all reviews
5 stars
83% (120)
4 stars
4% (6)
3 stars
2% (3)
2 stars
1% (1)
1 star
10% (15)
Sort by

There are currently no written reviews for this product.