Collection: Functional Devices, Inc.

Functional Devices, Inc. is a leading provider of building automation and lighting solutions. Known for its RIB® (Relay in a Box®) product lines, the company designs and manufactures its products in the USA. To ensure the high quality required for critical industrial applications, each assembled Functional Devices product is 100% tested before it leaves the manufacturing facility. Each relay, sensor, power supply, and component is verified to meet its specifications for performance, safety, and consistency.

Functional Devices, Inc. offers an extensive product range:

• Relays
• Current Sensors
• Power Supplies
• Intelligent Field Devices
• Transformers
• Power Control
• Power Monitoring
• Specialty Peripheral Controls
• Enclosures
• Accessories
• Wireless Devices