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FUNCTIONAL DEVICES INC / RIB TR50VA022US Open Class 2 Transformer - Open Class 2 Transformers
FUNCTIONAL DEVICES INC / RIBOpen Class 2 Transformers

FUNCTIONAL DEVICES INC / RIB TR50VA022US Open Class 2 Transformer

The FUNCTIONAL DEVICES INC / RIB Class 2 Transformer is an open-style transformer with a 50 VA power rating, featuring a foot mounting design. It converts a 120V AC input to a 24V AC output and includes a circuit…

SKU 3G-OTH-48064

Brand
FUNCTIONAL DEVICES INC / RIB
Item
TR50VA022US Open Class 2 Transformer
Part Number
TR50VA022US
Category
Open Class 2 Transformers
Available to Order
Also known as:TR50VA022USFUNCTIONAL DEVICES INC / RIB
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Technical Specifications

FUNCTIONAL DEVICES INC / RIB
Manufacturer Part Number
TR50VA022US
Type
Circuit Breaker
AC
24V
Mounting
Foot
Input Voltage
120V AC
Output Voltage
24V AC
Connection - Primary
Wire Lead
Connection - Secondary
Wire Lead

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FUNCTIONAL DEVICES INC / RIB Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The FUNCTIONAL DEVICES INC / RIB Class 2 Transformer is an open-style transformer with a 50 VA power rating, featuring a foot mounting design. It converts a 120V AC input to a 24V AC output and includes a circuit breaker for protection. Both primary and secondary connections are made via wire leads, as specified by manufacturer part number TR50VA022US.

Frequently Asked Questions

What is the FUNCTIONAL DEVICES INC / RIB Class 2 Transformer used for?

This open-style transformer converts 120V AC input to 24V AC output for powering low-voltage control circuits, relays, and automation devices in commercial HVAC, lighting, and industrial control panels. Its 50 VA rating and built-in circuit breaker protect downstream equipment from overloads.

What are the specifications of the FUNCTIONAL DEVICES INC / RIB TR50VA022US?

The FUNCTIONAL DEVICES INC / RIB TR50VA022US is a Class 2 transformer with 50 VA power rating, 120V AC input, 24V AC output, foot mounting, and wire lead connections on both primary and secondary sides. It includes an integrated circuit breaker for overcurrent protection.

Where to buy FUNCTIONAL DEVICES INC / RIB transformers in worldwide?

3G Electric supplies the FUNCTIONAL DEVICES INC / RIB TR50VA022US transformer worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this open-style Class 2 transformer.

How to install a FUNCTIONAL DEVICES INC / RIB Class 2 transformer?

Mount the transformer securely using its foot bracket. Connect the primary wire leads to a 120V AC supply and the secondary leads to your 24V AC load. Ensure the circuit breaker is not tripped before energizing. Follow local electrical codes and the manufacturer's instructions for safe installation.

Used in

Common applications for FUNCTIONAL DEVICES INC / RIB
HVAC control panels — Functional Devices RIB Class 2 transformers (e.g., PSH75AB10) provide 24V AC power for thermostats, relays, and zone valves.
Lighting contactor panels — RIB power supplies (e.g., PSMN200A) step down 347V AC to 24V AC for lighting control relays and occupancy sensors.
Pump control panels — Enclosed Class 2 transformers (e.g., PSH200A) supply 24V AC to pump start relays and float switches in water/wastewater facilities.
Industrial automation — RIB current sensors and relays monitor and switch low-voltage control circuits in PLC-based systems.
Commercial building automation — Functional Devices power supplies (e.g., PSH100AB10-EXT2) provide isolated 24V AC power for building controllers and actuators.
Data center cooling — RIB transformers (e.g., PSH300A) power control circuits for CRAC units and economizer dampers.
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FUNCTIONAL DEVICES INC / RIB Products

3G Electric supplies FUNCTIONAL DEVICES INC / RIB open class 2 transformers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Open-style Class 2 transformer with foot mounting, converting 208V AC primary to 24V AC secondary. Rated 96 VA with wire lead connections on both sides. Includes a circuit breaker for overcurrent protection. Suitable for supplying control power in HVAC, lighting control, and industrial automation systems
FUNCTIONAL DEVICES INC / RIB
Open-style Class 2 transformer with foot mounting, converting 208V AC primary to 24V AC secondary. Rated 96 VA with wire lead connections on both sides. Includes a circuit breaker for overcurrent protection. Suitable for supplying control power in HVAC, lighting control, and industrial automation systems

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