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FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 20 VA Power Rating, 120V AC - Open Class 2 Transformers
FUNCTIONAL DEVICES INC / RIBOpen Class 2 Transformers

FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 20 VA Power Rating, 120V AC

The FUNCTIONAL DEVICES INC / RIB TR20VA001 is an open Class 2 transformer with a 20 VA power rating. It features a 120V AC input and a 24V AC output, with wire lead connections for both primary and secondary sides…

SKU 3G-OTH-46793

Brand
FUNCTIONAL DEVICES INC / RIB
Item
Class 2 Transformer: 20 VA Power Rating, 120V AC
Category
Open Class 2 Transformers
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Technical Specifications

FUNCTIONAL DEVICES INC / RIB
Manufacturer Part Number
TR20VA001
Type
Foot/Hub
AC
120V
Mounting
Hub
Input Voltage
120V AC
Output Voltage
24V AC
Connection - Primary
Wire Lead
Connection - Secondary
Wire Lead
View Full Spec Sheet

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

Product Description

The FUNCTIONAL DEVICES INC / RIB TR20VA001 is an open Class 2 transformer with a 20 VA power rating. It features a 120V AC input and a 24V AC output, with wire lead connections for both primary and secondary sides. This hub-mounted unit is designed for industrial control applications requiring a step-down voltage conversion.

Frequently Asked Questions

What is the FUNCTIONAL DEVICES INC / RIB TR20VA001 transformer used for?

The TR20VA001 is an open Class 2 transformer used in industrial control panels and HVAC systems to step down 120V AC input to 24V AC output. It powers relays, contactors, and other low-voltage control devices. Its hub mounting and wire lead connections simplify integration into enclosures.

What are the specifications of the FUNCTIONAL DEVICES INC / RIB TR20VA001?

The TR20VA001 is a 20 VA open Class 2 transformer with 120V AC input and 24V AC output. It features wire lead connections on both primary and secondary sides, hub mounting, and a foot/hub design. The manufacturer part number is TR20VA001, and it is made by FUNCTIONAL DEVICES INC / RIB.

Where to buy the FUNCTIONAL DEVICES INC / RIB TR20VA001 worldwide?

3G Electric supplies the FUNCTIONAL DEVICES INC / RIB TR20VA001 transformer worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time. We source and deliver this Class 2 transformer to any country.

How to install the FUNCTIONAL DEVICES INC / RIB TR20VA001 transformer?

Mount the TR20VA001 securely using its hub mounting feature. Connect the primary wire leads to a 120V AC source and the secondary leads to your 24V AC load. Ensure the total load does not exceed 20 VA. Follow local electrical codes and isolate power before installation. FUNCTIONAL DEVICES INC / RIB provides generic guidelines.

Used in

Common applications for FUNCTIONAL DEVICES INC / RIB
HVAC control systems — Functional Devices Inc. / RIB PSH series transformers provide 24V AC power for thermostats and damper actuators.
Burner management — Functional Devices Inc. / RIB TR50VA022US transformer supplies low-voltage power for flame safeguard controllers.
Pump control panels — Functional Devices Inc. / RIB PSH500A-LVC power supply delivers 24V AC for relay logic in pump sequencing.
Lighting control — Functional Devices Inc. / RIB SIB04S rocker switch enables manual override of relay-controlled lighting circuits.
Industrial automation — Functional Devices Inc. / RIB PSH300A transformer powers 24V AC sensors and PLC input modules.
Gas valve actuation — Functional Devices Inc. / RIB enclosed transformers provide isolated 24V AC for solenoid valves in gas trains.

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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