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FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 40 VA Power Rating, 24V AC - Open Class 2 Transformers
FUNCTIONAL DEVICES INC / RIBOpen Class 2 Transformers

FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 40 VA Power Rating, 24V AC

The FUNCTIONAL DEVICES INC / RIB Class 2 Transformer (SKU 2ETC8, MPN TR40VA003) is an open Class 2 transformer with a 40 VA power rating. It features a foot mounting style, 24V AC input and output voltages, and wire…

SKU 3G-OTH-48436

Brand
FUNCTIONAL DEVICES INC / RIB
Item
Class 2 Transformer: 40 VA Power Rating, 24V AC
Category
Open Class 2 Transformers
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Technical Specifications

FUNCTIONAL DEVICES INC / RIB
Manufacturer Part Number
TR40VA003
Type
Foot/Hub
AC
24V
Mounting
Foot
Input Voltage
24V 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 Class 2 Transformer (SKU 2ETC8, MPN TR40VA003) is an open Class 2 transformer with a 40 VA power rating. It features a foot mounting style, 24V AC input and output voltages, and wire lead connections for both primary and secondary sides.

Frequently Asked Questions

What is the FUNCTIONAL DEVICES INC / RIB TR40VA003 transformer used for?

This open Class 2 transformer supplies 24V AC power to low-voltage control circuits in HVAC, lighting, and building automation systems. Its 40 VA rating and foot-mount design make it suitable for panel or equipment mounting where reliable step-down power conversion is needed.

What are the specifications of the FUNCTIONAL DEVICES INC / RIB TR40VA003?

The TR40VA003 is a 40 VA open Class 2 transformer with 24V AC input and 24V AC output. It features foot mounting and wire lead connections on both primary and secondary sides. The brand is FUNCTIONAL DEVICES INC / RIB, and the manufacturer part number is TR40VA003.

Where to buy the FUNCTIONAL DEVICES INC / RIB TR40VA003 worldwide?

3G Electric supplies the FUNCTIONAL DEVICES INC / RIB TR40VA003 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 on this open Class 2 transformer.

How to install the FUNCTIONAL DEVICES INC / RIB TR40VA003 transformer?

Mount the transformer securely using its foot-mounting holes. Connect the primary wire leads to a 24V AC supply and the secondary wire leads to the load. Ensure the total VA draw does not exceed 40 VA. Follow local electrical codes and isolate power before installation.

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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FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 40 VA Power Rating, 120V AC/208V AC/240V AC (MPN TR40VA015). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Connection - Primary: Wire Lead; Connection - Secondary: Wire Lead; Input Voltage: 240V AC; Mounting: Foot; Output Voltage: 24V AC.
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FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 40 VA Power Rating, 120V AC/208V AC/240V AC (MPN TR40VA015). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Connection - Primary: Wire Lead; Connection - Secondary: Wire Lead; Input Voltage: 240V AC; Mounting: Foot; Output Voltage: 24V AC.
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FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 75 VA Power Rating, 120V AC, 24V AC, Foot/Hub (MPN TR75VA001). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Connection - Primary: Wire Lead; Connection - Secondary: Wire Lead; Input Voltage: 120V AC; Mounting: Foot; Output Voltage: 24V AC.
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FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 50 VA Power Rating, 120V AC, 24V AC, Primary Fuse (MPN TR50VA001). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Connection - Primary: Wire Lead; Connection - Secondary: Wire Lead; Input Voltage: 120V AC; Mounting: Hub; Output Voltage: 24V AC.
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FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 40 VA Power Rating, 120V AC, 24V AC, Foot/Hub (MPN TR40VA001). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Connection - Primary: Wire Lead; Connection - Secondary: Wire Lead; Input Voltage: 120V AC; Mounting: Foot; Output Voltage: 24V AC.
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