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FUNCTIONAL DEVICES INC / RIB PSH40AB10-EXT2 Class 2 Transformer - Enclosed & Panel Mounted Class 2 Transformers
FUNCTIONAL DEVICES INC / RIBEnclosed & Panel Mounted Class 2 Transformers

FUNCTIONAL DEVICES INC / RIB PSH40AB10-EXT2 Class 2 Transformer

The FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply (SKU PSH40AB10-EXT2, MPN PSH40AB10-EXT2) is an enclosed and panel-mounted Class 2 transformer with a 40 VA power rating. It features a wall-mount design, 120V AC…

SKU 3G-OTH-44641

Also listed as: PSH40AB10EXT2 · PSH40AB10 EXT2

Brand
FUNCTIONAL DEVICES INC / RIB
Item
PSH40AB10-EXT2 Class 2 Transformer
Part Number
PSH40AB10-EXT2
Category
Enclosed & Panel Mounted Class 2 Transformers
Available to Order
Also known as:PSH40AB10-EXT2FUNCTIONAL 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
PSH40AB10-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

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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 (SKU PSH40AB10-EXT2, MPN PSH40AB10-EXT2) is an enclosed and panel-mounted Class 2 transformer with a 40 VA power rating. It features a wall-mount design, 120V AC input, 24V AC output, screw terminal wire connections, and an individual output on/off switch.

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, and industrial automation. Its wall-mount design and individual output on/off switch make it suitable for panel-mounted installations requiring reliable, isolated power.

What are the specifications of the FUNCTIONAL DEVICES INC / RIB PSH40AB10-EXT2?

The PSH40AB10-EXT2 is a 40 VA Class 2 transformer with 120V AC input and 24V AC output. It features wall mounting, screw terminal wire connections, and an individual output on/off switch. The brand is FUNCTIONAL DEVICES INC / RIB, and the MPN is PSH40AB10-EXT2.

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 equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply?

Mount the unit on a wall using the provided slots, connect 120V AC input to the screw terminals, and wire the 24V AC output to your load. Use the individual output on/off switch to control power. Follow local electrical codes and ensure the supply is de-energized during 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 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
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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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