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Supports higher loads up to 16A and includes built-in power monitoring. Available for $27.99 at Walmart . Shelly 2PM Gen4 Smart Relay Switch 2-Channel Shelly USA& more Go to product viewer dialog for this item.

A stackable shield for Arduino that adds four independently controlled 2A relays. Available for $28.40 at DigiKey or $32.65 at RobotShop . 1 Channel Relay Module 5V DC Goliath Automation & Robotics& more Go to product viewer dialog for this item. buy relay switch

Built for panel mounting or DIN rail installation, these handle high voltage and current for industrial automation. Supports higher loads up to 16A and includes

An industrial solution for motor loads up to 1.5hp. Available for $41.30 at Grainger . A stackable shield for Arduino that adds four

A standard component for DIY projects that switches up to 10A. Sold for $2.00 at aretronics.com or $2.50 at Goliath Automation & Robotics . Industrial Power Relays

Industrial Solid State Relay 60A–400A — High-Power AC Output | DC Control 3-32V, 300A Go to product viewer dialog for this item.

A highly compact option for controlling one circuit up to 8A. It typically costs between $16.99 $8.50 at Shelly USA or $10.19 at Best Buy . Shelly 1PM Gen4 Smart Relay Switch Best Buy& more Go to product viewer dialog for this item.

 
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Buy Relay Switch Apr 2026

Supports higher loads up to 16A and includes built-in power monitoring. Available for $27.99 at Walmart . Shelly 2PM Gen4 Smart Relay Switch 2-Channel Shelly USA& more Go to product viewer dialog for this item.

A stackable shield for Arduino that adds four independently controlled 2A relays. Available for $28.40 at DigiKey or $32.65 at RobotShop . 1 Channel Relay Module 5V DC Goliath Automation & Robotics& more Go to product viewer dialog for this item.

Built for panel mounting or DIN rail installation, these handle high voltage and current for industrial automation.

An industrial solution for motor loads up to 1.5hp. Available for $41.30 at Grainger .

A standard component for DIY projects that switches up to 10A. Sold for $2.00 at aretronics.com or $2.50 at Goliath Automation & Robotics . Industrial Power Relays

Industrial Solid State Relay 60A–400A — High-Power AC Output | DC Control 3-32V, 300A Go to product viewer dialog for this item.

A highly compact option for controlling one circuit up to 8A. It typically costs between $16.99 $8.50 at Shelly USA or $10.19 at Best Buy . Shelly 1PM Gen4 Smart Relay Switch Best Buy& more Go to product viewer dialog for this item.

 

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