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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
Category
Enclosed & Panel Mounted Class 2 Transformers
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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
View Full Spec Sheet

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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 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.

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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.
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FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 40 VA Power Rating, 120V AC, 24V AC, Wall (MPN PSH40AB10). 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.
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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.
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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: 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.
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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.
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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.
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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.

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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.
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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.
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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.
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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: 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.
FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 200 VA Power Rating, 24V AC, Circuit Breaker (MPN PSMN200A). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Input Voltage: 347V 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: 200 VA Power Rating, 24V AC, Circuit Breaker (MPN PSMN200A). Key specifications — Brand: FUNCTIONAL DEVICES INC / RIB; Input Voltage: 347V AC; Includes On/Off Switch: Individual Output On/Off Switch; Mounting: Panel; Output Voltage: 24V AC; Wire Connection Type: Screw Terminals.