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FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 50 VA Power Rating, 24V AC - Open Class 2 Transformers
FUNCTIONAL DEVICES INC / RIBOpen Class 2 Transformers

FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 50 VA Power Rating, 24V 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 configuration, 120V AC input, and 24V AC output, with wire lead connections for…

SKU 3G-OTH-47893

Brand
FUNCTIONAL DEVICES INC / RIB
Item
Class 2 Transformer: 50 VA Power Rating, 24V AC
Category
Open Class 2 Transformers
Available to Order
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Worldwide Shipping
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

FUNCTIONAL DEVICES INC / RIB
Manufacturer Part Number
TR50VA004
Type
Circuit Breaker
AC
24V
Mounting
Foot
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 50 VA power rating. It features a foot mounting configuration, 120V AC input, and 24V AC output, with wire lead connections for both primary and secondary sides. This unit includes a circuit breaker for protection.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the FUNCTIONAL DEVICES INC / RIB Class 2 Transformer used for?

This open-style Class 2 transformer supplies 24V AC power from a 120V AC input, typically for HVAC controls, relays, and building automation systems. Its 50 VA rating and built-in circuit breaker protect downstream devices, making it suitable for commercial and industrial control panels.

What are the specifications of the RIB TR50VA004 transformer?

The RIB TR50VA004 is a 50 VA open Class 2 transformer with 120V AC input and 24V AC output. It features foot mounting, wire lead connections on both primary and secondary sides, and an integrated circuit breaker for overcurrent protection. The manufacturer part number is TR50VA004.

Where to buy the FUNCTIONAL DEVICES INC / RIB TR50VA004 worldwide?

3G Electric supplies the RIB TR50VA004 Class 2 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 model to any country.

How to install the RIB Class 2 transformer TR50VA004?

Mount the transformer securely using its foot bracket. Connect the 120V AC primary wires to the supply and the 24V AC secondary wires to the load, observing polarity if required. Ensure the circuit breaker is not tripped before energizing. Follow local electrical codes and the manufacturer's instructions for safe 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 96 VA Power Rating, 24V AC, Circuit Breaker (MPN TR100VA004)
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 96 VA Power Rating, 24V AC, Circuit Breaker (MPN TR100VA004)
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 96 VA Power Rating, 24V AC, Circuit Breaker (MPN TR100VA005)
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 96 VA Power Rating, 24V AC, Circuit Breaker (MPN TR100VA005)
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 75 VA Power Rating, 24V AC, Circuit Breaker (MPN TR75VA007)
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 75 VA Power Rating, 24V AC, Circuit Breaker (MPN TR75VA007)
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 96 VA Power Rating, 24V AC, Circuit Breaker (MPN TR100VA015)
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 96 VA Power Rating, 24V AC, Circuit Breaker (MPN TR100VA015)
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 50 VA Power Rating, 24V AC, Circuit Breaker (MPN TR50VA015)
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 50 VA Power Rating, 24V AC, Circuit Breaker (MPN TR50VA015)
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 96 VA Power Rating, 24V AC, Circuit Breaker (MPN TR100VA009US)
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 96 VA Power Rating, 24V AC, Circuit Breaker (MPN TR100VA009US)

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Open-style Class 2 transformer with 50 VA rating. Accepts 120V AC input and delivers 24V AC output. Features foot mounting and wire lead connections on both primary and secondary sides. Suitable for powering control circuits in HVAC, lighting, and building automation systems
FUNCTIONAL DEVICES INC / RIB
Open-style Class 2 transformer with 50 VA rating. Accepts 120V AC input and delivers 24V AC output. Features foot mounting and wire lead connections on both primary and secondary sides. Suitable for powering control circuits in HVAC, lighting, and building automation systems
Open Class 2 transformer with 120V AC input and 24V AC output, rated 50 VA. Features dual hub mounting, wire lead connections on primary and secondary sides, and includes a primary fuse for overcurrent protection. Used to step down line voltage for low-voltage control circuits, relays, and automation equipment
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Open Class 2 transformer with 120V AC input and 24V AC output, rated 50 VA. Features dual hub mounting, wire lead connections on primary and secondary sides, and includes a primary fuse for overcurrent protection. Used to step down line voltage for low-voltage control circuits, relays, and automation equipment
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
FUNCTIONAL DEVICES INC / RIB
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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FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 40 VA Power Rating, 24V AC, Inherently Limited (MPN TR40VA004)
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FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 96 VA Power Rating, 24V AC, Circuit Breaker (MPN TR100VA009)
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 96 VA Power Rating, 120V AC, 24V AC, Dual Hub/Foot (MPN TR100VA002)
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FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 96 VA Power Rating, 120V AC, 24V AC, Dual Hub/Foot (MPN TR100VA002)
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 75 VA Power Rating, 120V AC, 24V AC, Foot/Hub (MPN TR75VA001)
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Transformer: 75 VA Power Rating, 120V AC, 24V AC, Foot/Hub (MPN TR75VA001)