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

3G Electric
FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 100 VA Power Rating, 120V AC - Enclosed & Panel Mounted Class 2 Transformers
FUNCTIONAL DEVICES INC / RIBEnclosed & Panel Mounted Class 2 Transformers

FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 100 VA Power Rating, 120V AC

The FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply is an enclosed and panel-mounted transformer with a 100 VA power rating. It features a 120V AC input and 24V AC output, wall mounting, screw terminal wire…

SKU 3G-OTH-44673

Also listed as: PSH100AB10EXT2 · PSH100AB10 EXT2

Brand
FUNCTIONAL DEVICES INC / RIB
Item
Class 2 Power Supply: 100 VA Power Rating, 120V AC
Part Number
PSH100AB10-EXT2
Category
Enclosed & Panel Mounted Class 2 Transformers
Available to Order
Also known as:PSH100AB10-EXT2FUNCTIONAL DEVICES INC / RIB
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

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
PSH100AB10-EXT2
Type
Wall
AC
120V
Mounting
Wall
Input Voltage
120V AC
Output Voltage
24V AC
Wire Connection Type
Screw Terminals
Includes On/Off Switch
Individual Output On/Off Switch

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 Power Supply is an enclosed and panel-mounted transformer with a 100 VA power rating. It features a 120V AC input and 24V AC output, wall mounting, screw terminal wire connections, and an individual output on/off switch (MPN PSH100AB10-EXT2).

Frequently Asked Questions

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

This enclosed Class 2 transformer supplies 24V AC power from a 120V AC input, ideal for HVAC controls, relays, and building automation systems. Its wall-mount design and screw terminals simplify installation in commercial or industrial settings.

What are the specifications of the FUNCTIONAL DEVICES INC / RIB PSH100AB10-EXT2?

The PSH100AB10-EXT2 is a 100 VA Class 2 power supply with 120V AC input and 24V AC output. It mounts on a wall, uses screw terminals for wiring, and includes an individual output on/off switch. The brand is FUNCTIONAL DEVICES INC / RIB.

Where to buy the FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply worldwide?

3G Electric supplies the FUNCTIONAL DEVICES INC / RIB PSH100AB10-EXT2 worldwide. As a global industrial distributor, 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 wall-mount power supply?

Mount the unit securely on a wall using the provided slots. Connect the 120V AC input and 24V AC output via the screw terminals, ensuring proper polarity. Use the individual on/off switch to control output. Follow local electrical codes and the manufacturer's manual.

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.
Not sure this is the right part? Photo-identify it→

FUNCTIONAL DEVICES INC / RIB Products

3G Electric supplies FUNCTIONAL DEVICES INC / RIB enclosed & panel mounted 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 →

More from FUNCTIONAL DEVICES INC / RIB

View all FUNCTIONAL DEVICES INC / RIB parts →
Enclosed wall-mount Class 2 transformer converting 120V AC input to 24V AC output. Rated 75 VA with screw terminal connections. Includes individual output on/off switch and built-in circuit breaker for overcurrent protection. Suitable for powering low-voltage control circuits in HVAC, lighting, and building automation systems
FUNCTIONAL DEVICES INC / RIB
Enclosed wall-mount Class 2 transformer converting 120V AC input to 24V AC output. Rated 75 VA with screw terminal connections. Includes individual output on/off switch and built-in circuit breaker for overcurrent protection. Suitable for powering low-voltage control circuits in HVAC, lighting, and building automation systems
Enclosed Class 2 transformer with 100 VA rating, 120V AC input and 24V AC output. Features screw terminal connections and an individual output on/off switch. Wall-mountable design for use in control panels, relays, and other low-voltage equipment
FUNCTIONAL DEVICES INC / RIB
Enclosed Class 2 transformer with 100 VA rating, 120V AC input and 24V AC output. Features screw terminal connections and an individual output on/off switch. Wall-mountable design for use in control panels, relays, and other low-voltage equipment

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first