Control Relay
on_premises
RIB2401B
Functional Devices RIB2401B is a pre-wired enclosed 20-amp SPDT relay for higher-load HVAC and building-automation switching applications with multi-voltage coil options.
Product source Vendor directory
Technology vendor
Functional Devices
Functional Devices, Inc. manufactures building-automation and HVAC control components under the RIB brand, including relays, current sensors, power supplies and network-capable field devices for commercial buildings.
Evidence Backed
Reviewed 4 Sept 2026Company profile
Informational profile. Publication does not imply endorsement, recommendation or decision suitability.
- Headquarters
- Not publicly verified
- Published products
- 6
- Public source links
- 2
- Profile status
- evidence backed
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Published technology portfolio
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Control Relay
on_premises
RIB24P
Functional Devices RIB24P is an enclosed 24-volt relay with 20-amp DPDT contacts for dual-circuit and higher-voltage switching applications in building automation and HVAC controls.
Product sourceControl Relay
on_premises
RIB24P30
Functional Devices RIB24P30 is an enclosed high-capacity relay with 30-amp DPDT contacts and a 24-volt coil for higher-current or dual-circuit HVAC and building-control loads.
Product sourceNetworked Control Relay
on_premises
RIBTW2401B-BC
Functional Devices RIBTW2401B-BC integrates a 20-amp relay with BACnet MS/TP communications and binary input functionality for network-addressable building-automation control.
Product sourceControl Relay
on_premises
RIBU1C
Functional Devices RIBU1C is a pre-wired enclosed 10-amp SPDT universal relay used across HVAC, lighting and building-automation control applications with broad coil-voltage compatibility.
Product sourceControl Relay
on_premises
RIBU2C
Functional Devices RIBU2C combines two independent 10-amp SPDT relays in one enclosed device, reducing panel space for multi-point HVAC and building-control switching applications.
Product sourceVendor & market intelligence
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- 4 Sept 2026
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