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FUNCTIONAL DEVICES INC / RIB TR40VA002 Open Class 2 Transformer - Open Class 2 Transformers
FUNCTIONAL DEVICES INC / RIBOpen Class 2 Transformers

FUNCTIONAL DEVICES INC / RIB TR40VA002 Open Class 2 Transformer

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
TR40VA002 Open Class 2 Transformer
Part Number
TR40VA002
Category
Open Class 2 Transformers
Available to Order
Also known as:TR40VA002FUNCTIONAL DEVICES INC / RIB
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

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

Technical Documents

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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 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 50 VA rating, converting 120V AC input to 24V AC output. Features foot mounting, wire lead connections on primary and secondary sides, and an integrated circuit breaker for overload protection. Suitable for powering low-voltage control circuits in HVAC, lighting, and industrial control panels

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