We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 40 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: 40 VA Power Rating, 120V AC

The FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply (SKU 23NT01, MPN PSH40AB10) is an enclosed and panel-mounted Class 2 transformer with a 40 VA power rating. It features a 120V AC input and a 24V AC output, wall…

SKU 3G-OTH-44716

Brand
FUNCTIONAL DEVICES INC / RIB
Item
Class 2 Power Supply: 40 VA Power Rating, 120V AC
Category
Enclosed & Panel Mounted Class 2 Transformers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

FUNCTIONAL DEVICES INC / RIB
Manufacturer Part Number
PSH40AB10
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
View Full Spec Sheet

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 (SKU 23NT01, MPN PSH40AB10) is an enclosed and panel-mounted Class 2 transformer with a 40 VA power rating. It features a 120V AC input and a 24V AC output, wall mounting, screw terminal wire connections, and an individual output on/off switch.

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 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 40 VA rating and wall-mount design make it suitable for powering relays, controllers, and sensors in commercial buildings.

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

The PSH40AB10 is a 40 VA Class 2 power supply 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 manufacturer part number is PSH40AB10.

Where to buy the FUNCTIONAL DEVICES INC / RIB PSH40AB10 worldwide?

3G Electric supplies the FUNCTIONAL DEVICES INC / RIB PSH40AB10 Class 2 power supply worldwide. As a global industrial equipment 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 Class 2 power supply?

Mount the unit securely on a wall using the provided slots. Connect 120V AC input and 24V AC output via screw terminals, ensuring proper polarity. Use the individual output on/off switch to control power. Follow local electrical codes and Class 2 wiring practices 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 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

Similar products

Matched by specification & description
FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 40 VA Power Rating, 120V AC, 24V AC, Wall (MPN PSH40AB10-EXT2). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Input Voltage: 120V AC; Includes On/Off Switch: Individual Output On/Off Switch; Mounting: Wall; Output Voltage: 24V AC; Wire Connection Type: Screw Terminals.
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 40 VA Power Rating, 120V AC, 24V AC, Wall (MPN PSH40AB10-EXT2). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Input Voltage: 120V AC; Includes On/Off Switch: Individual Output On/Off Switch; Mounting: Wall; Output Voltage: 24V AC; Wire Connection Type: Screw Terminals.
FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 100 VA Power Rating, 120V AC, 24V AC, Wall (MPN PSH100AB10-EXT2). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Input Voltage: 120V AC; Includes On/Off Switch: Individual Output On/Off Switch; Mounting: Wall; Output Voltage: 24V AC; Wire Connection Type: Screw Terminals.
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 100 VA Power Rating, 120V AC, 24V AC, Wall (MPN PSH100AB10-EXT2). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Input Voltage: 120V AC; Includes On/Off Switch: Individual Output On/Off Switch; Mounting: Wall; Output Voltage: 24V AC; Wire Connection Type: Screw Terminals.
FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 100 VA Power Rating, 120V AC, 24V AC, Wall (MPN PSH100A100AB10). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Input Voltage: 120V AC; Includes On/Off Switch: Individual Output On/Off Switch; Mounting: Wall; Output Voltage: 24V AC; Wire Connection Type: Screw Terminals.
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 100 VA Power Rating, 120V AC, 24V AC, Wall (MPN PSH100A100AB10). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Input Voltage: 120V AC; Includes On/Off Switch: Individual Output On/Off Switch; Mounting: Wall; Output Voltage: 24V AC; Wire Connection Type: Screw Terminals.
FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 100 VA Power Rating, 120V AC, 24V AC, Wall (MPN PSC100AB10). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Input Voltage: 120V AC; Includes On/Off Switch: Individual Output On/Off Switch; Mounting: Wall; Output Voltage: 24V AC; Wire Connection Type: Screw Terminals.
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 100 VA Power Rating, 120V AC, 24V AC, Wall (MPN PSC100AB10). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Input Voltage: 120V AC; Includes On/Off Switch: Individual Output On/Off Switch; Mounting: Wall; Output Voltage: 24V AC; Wire Connection Type: Screw Terminals.
FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 75 VA Power Rating, 24V AC, Circuit Breaker, Wall (MPN PSH75AB10). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Input Voltage: 120V AC; Includes On/Off Switch: Individual Output On/Off Switch; Mounting: Wall; Output Voltage: 24V AC; Wire Connection Type: Screw Terminals.
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 75 VA Power Rating, 24V AC, Circuit Breaker, Wall (MPN PSH75AB10). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Input Voltage: 120V AC; Includes On/Off Switch: Individual Output On/Off Switch; Mounting: Wall; Output Voltage: 24V AC; Wire Connection Type: Screw Terminals.
FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 300 VA Power Rating, 24V AC, Circuit Breaker (MPN PSMN300A). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Input Voltage: 240V AC; Includes On/Off Switch: Individual Output On/Off Switch; Mounting: Panel; Output Voltage: 24V AC; Wire Connection Type: Screw Terminals.
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 300 VA Power Rating, 24V AC, Circuit Breaker (MPN PSMN300A). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Input Voltage: 240V AC; Includes On/Off Switch: Individual Output On/Off Switch; Mounting: Panel; Output Voltage: 24V AC; Wire Connection Type: Screw Terminals.

More from FUNCTIONAL DEVICES INC / RIB

View all FUNCTIONAL DEVICES INC / RIB parts
FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 100 VA Power Rating, 120V AC, 24V AC, Panel (MPN PSB100AB10). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Input Voltage: 120V AC; Includes On/Off Switch: Individual Output On/Off Switch; Mounting: Panel; Output Voltage: 24V AC; Wire Connection Type: Screw Terminals.
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 100 VA Power Rating, 120V AC, 24V AC, Panel (MPN PSB100AB10). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Input Voltage: 120V AC; Includes On/Off Switch: Individual Output On/Off Switch; Mounting: Panel; Output Voltage: 24V AC; Wire Connection Type: Screw Terminals.
FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 200 VA Power Rating, 24V AC, Circuit Breaker (MPN PSH200A). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Input Voltage: 480V AC; Includes On/Off Switch: Individual Output On/Off Switch; Mounting: Wall; Output Voltage: 24V AC; Wire Connection Type: Screw Terminals.
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 200 VA Power Rating, 24V AC, Circuit Breaker (MPN PSH200A). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Input Voltage: 480V AC; Includes On/Off Switch: Individual Output On/Off Switch; Mounting: Wall; Output Voltage: 24V AC; Wire Connection Type: Screw Terminals.
FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 500 VA Power Rating, 24V AC, Circuit Breaker (MPN PSH500A). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Input Voltage: 120V AC; Includes On/Off Switch: Individual Output On/Off Switch; Mounting: Wall; Output Voltage: 24V AC; Wire Connection Type: Screw Terminals.
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 500 VA Power Rating, 24V AC, Circuit Breaker (MPN PSH500A). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Input Voltage: 120V AC; Includes On/Off Switch: Individual Output On/Off Switch; Mounting: Wall; Output Voltage: 24V AC; Wire Connection Type: Screw Terminals.
FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 300 VA Power Rating, 24V AC, Circuit Breaker (MPN PSH300A). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Input Voltage: 120V AC; Includes On/Off Switch: Individual Output On/Off Switch; Mounting: Wall; Output Voltage: 24V AC; Wire Connection Type: Screw Terminals.
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 300 VA Power Rating, 24V AC, Circuit Breaker (MPN PSH300A). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Input Voltage: 120V AC; Includes On/Off Switch: Individual Output On/Off Switch; Mounting: Wall; Output Voltage: 24V AC; Wire Connection Type: Screw Terminals.
FUNCTIONAL DEVICES INC / RIB Low Voltage Power Supply: 500 VA Power Rating, 24V AC, Circuit Breaker (MPN PSH500A-LVC). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Input Voltage: 120V AC; Includes On/Off Switch: Unit On/Off Switch; Mounting: Wall; Output Voltage: 24V AC; Wire Connection Type: Wire Leads.
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Low Voltage Power Supply: 500 VA Power Rating, 24V AC, Circuit Breaker (MPN PSH500A-LVC). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Input Voltage: 120V AC; Includes On/Off Switch: Unit On/Off Switch; Mounting: Wall; Output Voltage: 24V AC; Wire Connection Type: Wire Leads.
FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 75 VA Power Rating, 120V AC, 24V AC, Wall (MPN PSH75A75AB10). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Input Voltage: 120V AC; Includes On/Off Switch: Individual Output On/Off Switch; Mounting: Wall; Output Voltage: 24V AC; Wire Connection Type: Screw Terminals.
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 75 VA Power Rating, 120V AC, 24V AC, Wall (MPN PSH75A75AB10). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Input Voltage: 120V AC; Includes On/Off Switch: Individual Output On/Off Switch; Mounting: Wall; Output Voltage: 24V AC; Wire Connection Type: Screw Terminals.
FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 100 VA Power Rating, 120V AC, 24V AC, Wall (MPN PSH100AB10). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Input Voltage: 120V AC; Includes On/Off Switch: Individual Output On/Off Switch; Mounting: Wall; Output Voltage: 24V AC; Wire Connection Type: Screw Terminals.
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 100 VA Power Rating, 120V AC, 24V AC, Wall (MPN PSH100AB10). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Input Voltage: 120V AC; Includes On/Off Switch: Individual Output On/Off Switch; Mounting: Wall; Output Voltage: 24V AC; Wire Connection Type: Screw Terminals.
FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 500 VA Power Rating, 24V AC, Circuit Breaker (MPN PSMN500A). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Input Voltage: 480V AC; Includes On/Off Switch: Individual Output On/Off Switch; Mounting: Panel; Output Voltage: 24V AC; Wire Connection Type: Screw Terminals.
FUNCTIONAL DEVICES INC / RIB
FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 500 VA Power Rating, 24V AC, Circuit Breaker (MPN PSMN500A). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Input Voltage: 480V AC; Includes On/Off Switch: Individual Output On/Off Switch; Mounting: Panel; Output Voltage: 24V AC; Wire Connection Type: Screw Terminals.