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FUNCTIONAL DEVICES INC / RIB Class 2 Power Supply: 300 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: 300 VA Power Rating, 24V AC

The FUNCTIONAL DEVICES INC / RIB PSH300A is a wall-mounted, enclosed Class 2 power supply with a 300 VA power rating. It converts 120V AC input to 24V AC output and features screw terminals for wiring, an individual…

SKU 3G-OTH-44792

Brand
FUNCTIONAL DEVICES INC / RIB
Item
Class 2 Power Supply: 300 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
PSH300A
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
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 PSH300A is a wall-mounted, enclosed Class 2 power supply with a 300 VA power rating. It converts 120V AC input to 24V AC output and features screw terminals for wiring, an individual output on/off switch, and a circuit breaker.

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 PSH300A used for?

The PSH300A is a wall-mounted Class 2 power supply that converts 120V AC input to 24V AC output with a 300 VA rating. It is used to power low-voltage control circuits, relays, and automation equipment in commercial HVAC, lighting, and industrial control panels.

What are the specifications of the FUNCTIONAL DEVICES INC / RIB PSH300A?

The PSH300A has a 300 VA power rating, 120V AC input, 24V AC output, screw terminals for wiring, an individual output on/off switch, and a built-in circuit breaker. It is wall-mounted and enclosed, manufactured by FUNCTIONAL DEVICES INC / RIB under MPN PSH300A.

Where to buy the FUNCTIONAL DEVICES INC / RIB PSH300A worldwide?

3G Electric supplies the FUNCTIONAL DEVICES INC / RIB PSH300A worldwide. As a global industrial equipment distributor since 1990, 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 PSH300A?

Mount the PSH300A securely on a wall using the provided enclosure. Connect 120V AC input and 24V AC output via screw terminals. Ensure the circuit breaker and on/off switch are accessible. Follow local electrical codes and the manufacturer's manual 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.

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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: 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: 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 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 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.
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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.
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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.
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