Waveshare Industrial 6-ch Relay Module for Raspberry Pi Zero, RS485/CAN, Isolated Protections


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Approx Restocking Date: 25 to 30 Days
SKU: 1113363
  1. Operating Voltage: 7V~36V (industrial input voltage compatible)
  2. Relay Channel: 6 ch
  3. Communication Protocol: RS485
  4. CAN Contact Form: 1NO 1NC


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Category: Relay Modules

This is a 6-ch Relay Module for Raspberry Pi Zero with  RS485/CAN. It features embedded protection circuits such as power isolation, Photocoupler Isolation, and TVS diode, etc.

Hardware Analysis Industrial Modbus RTU 6-ch Relay Module

Waveshare 002

  1. MCP2515
  2. SI8642ED-B-IS
  3. SN65HVD230
  4. SP3485EN
  5. LM2596 voltage regulator
  6. Photocoupler isolation
  7. 6-channel quality relays
  8. Power supply isolation
  9. Resettable fuses
  10. TVS diodes
  11. Relay and power indicators
  12. 40PIN GPIO header
  13. Relay screw terminals
  14. Power supply screw terminals
  15. RS485 bus interface
  16. CAN bus interface
  17. RS485 120Ω terminal resistor switch
  18. CAN 120Ω terminal resistor switch
  19. Relay control pins
  20. External power supply jack
  21. Thickened tracks

Pin Definition:

Waveshare 003


  1. RS485 half-duplex communication: using SP3485, UART control, auto RX/TX switch
  2. CAN half-duplex communication: using MCP2515 + SN65HVD230 solution, SPI control
  3. Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal
  4. Onboard photocoupler isolation, prevent interference from external high-voltage circuit connected to the relay
  5. Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightning proof & anti-electrostatic
  6. Onboard resettable fuses and protection diodes, ensuring current/voltage stable output, preventing over current/voltage, better shock-resistance performance
  7. High-quality relay, contact rating: ≤10A 250V AC or ≤10A 30V DC
  8. ABS protection enclosure with rail-mount support, easy to install, safe to use

Package Includes:

1 x ABS protection enclosure (top and bottom)

1 x RPi Zero Relay

1 x Screwdriver

1 x 12V 1A power adapter (OPTIONS)

1 x Screws pack

SKU: 1113363 Category:
Operating Voltage (V)


No. of Channels


Communication Interface

RS485, CAN

Contact Form


Shipping Weight 0.411 kg
Shipping Dimensions 21 × 15 × 5 cm
3 Months Warranty

This item is covered with a standard supplier warranty of 3 months from the time of delivery against manufacturing defects only. This is a quality product & only manufacturing defects are covered under this warranty. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China