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FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 500 VA Power Rating, 24V AC - Enclosed & Panel Mounted Class 2 Transformers
FUNCTIONAL DEVICES INC / RIBEnclosed & Panel Mounted Class 2 Transformers

FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 500 VA Power Rating, 24V AC

The FUNCTIONAL DEVICES INC / RIB PSH500A is a wall-mounted, enclosed Class 2 power supply with a 500 VA power rating. It converts 120V AC input to 24V AC output and features screw terminal wiring connections. This…

SKU 3G-OTH-44574

Brand
FUNCTIONAL DEVICES INC / RIB
Item
Class 2 Power Supply: 500 VA Power Rating, 24V AC
Category
Enclosed & Panel Mounted Class 2 Transformers
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Technical Specifications

FUNCTIONAL DEVICES INC / RIB
Manufacturer Part Number
PSH500A
Type
Circuit Breaker
AC
24V
Mounting
Wall
Input Voltage
120V AC
Output Voltage
24V AC
Wire Connection Type
Screw Terminals
Includes On/Off Switch
Individual Output On/Off Switch
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FUNCTIONAL DEVICES INC / RIB Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The FUNCTIONAL DEVICES INC / RIB PSH500A is a wall-mounted, enclosed Class 2 power supply with a 500 VA power rating. It converts 120V AC input to 24V AC output and features screw terminal wiring connections. This unit includes an individual output on/off switch and a circuit breaker for overcurrent protection.

Frequently Asked Questions

What is the FUNCTIONAL DEVICES INC / RIB PSH500A used for?

The PSH500A is a wall-mounted Class 2 power supply that converts 120V AC input to 24V AC output at 500 VA. It is used to power low-voltage controls, relays, and automation devices in HVAC, lighting, and industrial systems, with circuit breaker protection and an individual output on/off switch.

What are the specifications of the FUNCTIONAL DEVICES INC / RIB PSH500A?

The PSH500A has a 500 VA power rating, 120V AC input, 24V AC output, screw terminal wiring, a circuit breaker for overcurrent protection, and an individual output on/off switch. It is wall-mounted and enclosed, with manufacturer part number PSH500A from FUNCTIONAL DEVICES INC / RIB.

Where to buy the FUNCTIONAL DEVICES INC / RIB PSH500A worldwide?

3G Electric supplies the FUNCTIONAL DEVICES INC / RIB PSH500A to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this Class 2 power supply.

How to install the FUNCTIONAL DEVICES INC / RIB PSH500A?

Mount the PSH500A securely to a wall using the provided enclosure. Connect 120V AC input and 24V AC output via screw terminals, ensuring proper wire gauge for 500 VA. Use the individual output on/off switch for local control. The circuit breaker resets after overcurrent trips.

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 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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