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FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 40 VA Power Rating, 120V AC - Open Class 2 Transformers
FUNCTIONAL DEVICES INC / RIBOpen Class 2 Transformers

FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 40 VA Power Rating, 120V AC

The FUNCTIONAL DEVICES INC / RIB Class 2 Transformer is an open-style transformer with a 40 VA power rating. It features a dual hub mounting configuration and accepts a 120V AC input, stepping it down to a 24V AC…

SKU 3G-OTH-48129

Brand
FUNCTIONAL DEVICES INC / RIB
Item
Class 2 Transformer: 40 VA Power Rating, 120V AC
Category
Open Class 2 Transformers
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Technical Specifications

FUNCTIONAL DEVICES INC / RIB
Manufacturer Part Number
TR40VA002
Type
Dual Hub/Foot
AC
120V
Mounting
Dual Hub
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 40 VA power rating. It features a dual hub mounting configuration and accepts a 120V AC input, stepping it down to a 24V AC output. Both primary and secondary connections are made via wire leads, making it suitable for low-voltage control applications.

Frequently Asked Questions

What is the FUNCTIONAL DEVICES INC / RIB TR40VA002 transformer used for?

This open Class 2 transformer steps down 120V AC to 24V AC at 40 VA, powering low-voltage control circuits in HVAC, lighting, and industrial automation systems. It is commonly used with relays, contactors, and programmable controllers where a reliable 24V AC supply is needed.

What are the specifications of the RIB TR40VA002 transformer?

The FUNCTIONAL DEVICES INC / RIB TR40VA002 is a 40 VA open Class 2 transformer with 120V AC input and 24V AC output. It features dual hub mounting and wire lead connections on both primary and secondary sides. The manufacturer part number is TR40VA002.

Where to buy the RIB TR40VA002 transformer worldwide?

3G Electric supplies the FUNCTIONAL DEVICES INC / RIB TR40VA002 transformer worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the RIB TR40VA002 transformer?

Mount the transformer using the dual hub configuration, ensuring proper ventilation. Connect the 120V AC primary leads to the supply and the 24V AC secondary leads to the control circuit. Follow local electrical codes and use appropriate overcurrent protection on the primary side.

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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