Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 50 VA Power Rating, 277V AC - Open Class 2 Transformers
FUNCTIONAL DEVICES INC / RIBOpen Class 2 Transformers

FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 50 VA Power Rating, 277V AC

The FUNCTIONAL DEVICES INC / RIB Class 2 Transformer is an open-style transformer with a 50 VA power rating. It features a foot mounting style and accepts a 277V AC input, stepping it down to a 24V AC output. Both…

SKU 3G-OTH-47596

Brand
FUNCTIONAL DEVICES INC / RIB
Item
Class 2 Transformer: 50 VA Power Rating, 277V AC
Category
Open Class 2 Transformers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

FUNCTIONAL DEVICES INC / RIB
Manufacturer Part Number
TR50VA014
Type
Foot/Hub
AC
277V
Mounting
Foot
Input Voltage
277V AC
Output Voltage
24V AC
Connection - Primary
Wire Lead
Connection - Secondary
Wire Lead
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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. It features a foot mounting style and accepts a 277V AC input, stepping it down to a 24V AC output. Both primary and secondary connections are made via wire leads, and the manufacturer part number is TR50VA014.

Frequently Asked Questions

What is the FUNCTIONAL DEVICES INC / RIB TR50VA014 transformer used for?

This Class 2 transformer steps down 277V AC input to 24V AC output for powering low-voltage control circuits, relays, and automation devices in commercial HVAC, lighting, and industrial control panels.

What are the specifications of the FUNCTIONAL DEVICES INC / RIB TR50VA014 transformer?

The TR50VA014 is a 50 VA open-style Class 2 transformer with 277V AC input and 24V AC output. It features foot mounting and wire lead connections on both primary and secondary sides. The manufacturer part number is TR50VA014.

Where to buy the FUNCTIONAL DEVICES INC / RIB TR50VA014 transformer worldwide?

3G Electric supplies the FUNCTIONAL DEVICES INC / RIB TR50VA014 transformer worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the FUNCTIONAL DEVICES INC / RIB TR50VA014 transformer?

Mount the transformer securely using the foot bracket. Connect the primary wire leads to a 277V AC source and the secondary leads to your 24V AC load. Ensure the total VA draw does not exceed 50 VA. Follow local electrical codes.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 96 VA Power Rating, 120V AC, 24V AC, Foot/Hub (MPN TR100VA001). 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.
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 96 VA Power Rating, 120V AC, 24V AC, Foot/Hub (MPN TR100VA001). 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.
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 20 VA Power Rating, 277V AC, 24V AC, Foot/Hub (MPN TR20VA007). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Connection - Primary: Wire Lead; Connection - Secondary: Wire Lead; Input Voltage: 277V AC; Mounting: Foot; Output Voltage: 24V AC.
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 20 VA Power Rating, 277V AC, 24V AC, Foot/Hub (MPN TR20VA007). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Connection - Primary: Wire Lead; Connection - Secondary: Wire Lead; Input Voltage: 277V AC; Mounting: Foot; Output Voltage: 24V AC.
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 40 VA Power Rating, 24V AC, Inherently Limited (MPN TR40VA004). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Connection - Primary: Wire Lead; Connection - Secondary: Wire Lead; Input Voltage: 277V AC; Mounting: Foot; Output Voltage: 24V AC.
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 40 VA Power Rating, 24V AC, Inherently Limited (MPN TR40VA004). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Connection - Primary: Wire Lead; Connection - Secondary: Wire Lead; Input Voltage: 277V AC; Mounting: Foot; Output Voltage: 24V AC.
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 50 VA Power Rating, 120V AC/277V AC, 24V AC, Foot (MPN TR50VA019). 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.
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 50 VA Power Rating, 120V AC/277V AC, 24V AC, Foot (MPN TR50VA019). 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.
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 20 VA Power Rating, 120V AC, 24V AC, Foot/Hub (MPN TR20VA001). 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.
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 20 VA Power Rating, 120V AC, 24V AC, Foot/Hub (MPN TR20VA001). 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.
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 40 VA Power Rating, 24V AC, 24V AC, Foot/Hub (MPN TR40VA003). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Connection - Primary: Wire Lead; Connection - Secondary: Wire Lead; Input Voltage: 24V AC; Mounting: Foot; Output Voltage: 24V AC.
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 40 VA Power Rating, 24V AC, 24V AC, Foot/Hub (MPN TR40VA003). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Connection - Primary: Wire Lead; Connection - Secondary: Wire Lead; Input Voltage: 24V AC; Mounting: Foot; Output Voltage: 24V AC.

More from FUNCTIONAL DEVICES INC / RIB

View all FUNCTIONAL DEVICES INC / RIB parts →
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 96 VA Power Rating, 24V AC, Circuit Breaker (MPN TR100VA009). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Connection - Primary: Wire Lead; Connection - Secondary: Wire Lead; Input Voltage: 208V AC; Mounting: Foot; Output Voltage: 24V AC.
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 96 VA Power Rating, 24V AC, Circuit Breaker (MPN TR100VA009). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Connection - Primary: Wire Lead; Connection - Secondary: Wire Lead; Input Voltage: 208V AC; Mounting: Foot; Output Voltage: 24V AC.
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 96 VA Power Rating, 120V AC, 24V AC, Dual Hub/Foot (MPN TR100VA002). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Connection - Primary: Wire Lead; Connection - Secondary: Wire Lead; Input Voltage: 120V AC; Mounting: Dual Hub; Output Voltage: 24V AC.
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 96 VA Power Rating, 120V AC, 24V AC, Dual Hub/Foot (MPN TR100VA002). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Connection - Primary: Wire Lead; Connection - Secondary: Wire Lead; Input Voltage: 120V AC; Mounting: Dual Hub; Output Voltage: 24V AC.
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.
FUNCTIONAL DEVICES INC / RIB
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.
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.
FUNCTIONAL DEVICES INC / RIB
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.
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 50 VA Power Rating, 120V AC, 24V AC, Foot/Hub (MPN TR50VA005). 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.
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 50 VA Power Rating, 120V AC, 24V AC, Foot/Hub (MPN TR50VA005). 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.
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.
FUNCTIONAL DEVICES INC / RIB
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.
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 40 VA Power Rating, 120V AC/208V AC/240V AC (MPN TR40VA040). 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.
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 40 VA Power Rating, 120V AC/208V AC/240V AC (MPN TR40VA040). 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.
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 96 VA Power Rating, 120V AC, 24V AC, Foot/Hub (MPN TR100VA001US). 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.
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 96 VA Power Rating, 120V AC, 24V AC, Foot/Hub (MPN TR100VA001US). 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.