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FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 75 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: 75 VA Power Rating, 120V AC

The FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply is an enclosed and panel-mounted transformer with a 75 VA power rating. It features a 120V AC input and 24V AC output, wall mounting, screw terminal wire…

SKU 3G-OTH-44727

Brand
FUNCTIONAL DEVICES INC / RIB
Item
Class 2 Power Supply: 75 VA Power Rating, 120V AC
Part Number
PSH75A75AB10
Category
Enclosed & Panel Mounted Class 2 Transformers
Available to Order
Also known as:PSH75A75AB10FUNCTIONAL DEVICES INC / RIB
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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
PSH75A75AB10
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

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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 75 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 PSH75A75AB10).

Frequently Asked Questions

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

This Class 2 power supply is used to step down 120V AC input to 24V AC output for low-voltage control circuits, HVAC systems, lighting controls, and industrial automation. Its enclosed wall-mount design with screw terminals suits permanent installations where reliable, safe power conversion is required.

What are the specifications of the FUNCTIONAL DEVICES INC / RIB PSH75A75AB10?

The PSH75A75AB10 is a 75 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, and the MPN is PSH75A75AB10.

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

3G Electric supplies the FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply 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 75 VA, 120V AC to 24V AC unit.

How to install the FUNCTIONAL DEVICES INC / RIB wall-mount power supply?

Mount the unit securely to a wall using the provided brackets. Connect the 120V AC input and 24V AC output via the screw terminals, ensuring proper polarity and wire gauge per local codes. Use the individual output on/off switch for local control. Always de-energize before wiring.

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 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.

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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
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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

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