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

FUNCTIONAL DEVICES INC / RIB Open Class 2 Transformer

The FUNCTIONAL DEVICES INC / RIB Class 2 Transformer is an open-style transformer with a 96 VA power rating, delivering 24V AC output from a 120V AC input. It features foot mounting and wire lead connections for both…

SKU 3G-OTH-49363

Brand
FUNCTIONAL DEVICES INC / RIB
Item
Open Class 2 Transformer
Part Number
TR100VA004
Category
Open Class 2 Transformers
Available to Order
Also known as:TR100VA004FUNCTIONAL DEVICES INC / RIB
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

FUNCTIONAL DEVICES INC / RIB
Manufacturer Part Number
TR100VA004
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 96 VA power rating, delivering 24V AC output from a 120V AC input. It features foot mounting and wire lead connections for both primary and secondary sides, and includes a circuit breaker for protection (MPN TR100VA004).

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 used in HVAC controls, lighting systems, and industrial automation. Its 96 VA rating and built-in circuit breaker protect downstream equipment. 3G Electric supplies this model for global applications.

What are the specifications of the FUNCTIONAL DEVICES INC / RIB TR100VA004 transformer?

The TR100VA004 is a 96 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. This FUNCTIONAL DEVICES INC / RIB model is designed for reliable low-voltage power distribution.

Where to buy the FUNCTIONAL DEVICES INC / RIB TR100VA004 transformer worldwide?

3G Electric supplies the FUNCTIONAL DEVICES INC / RIB TR100VA004 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 FUNCTIONAL DEVICES INC / RIB Class 2 transformer?

Mount the transformer securely using its foot bracket, then connect the primary wire leads to a 120V AC supply and the secondary leads to your 24V AC load. 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 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 foot mounting, converting 208V AC primary to 24V AC secondary. Rated 96 VA with wire lead connections on both sides. Includes a circuit breaker for overcurrent protection. Suitable for supplying control power in HVAC, lighting control, and industrial automation systems
FUNCTIONAL DEVICES INC / RIB
Open-style Class 2 transformer with foot mounting, converting 208V AC primary to 24V AC secondary. Rated 96 VA with wire lead connections on both sides. Includes a circuit breaker for overcurrent protection. Suitable for supplying control power in HVAC, lighting control, and industrial automation systems
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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