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SupcoGeneral-Purpose Relays

Supco General-Purpose Relay, SPDT, 120V AC/18-35V AC/DC Coil, PR-1

The Supco Multi Voltage Relay: 1 Relay (SKU PR-1, MPN PR-1) is a general-purpose relay with a single-pole double-throw (SPDT) contact form. It features a coil rated for 120V AC or 18 to 35V AC/DC, and supports both…

SKU 3G-OTH-68638

Also listed as: PR1 · PR 1

Brand
Supco
Item
General-Purpose Relay, SPDT, 120V AC/18-35V AC/DC Coil, PR-1
Part Number
PR-1
Category
General-Purpose Relays
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Supco
Manufacturer Part Number
PR-1
Type
SPDT, Normally Closed/Normally Open, 120V AC/18 to 35V AC/DC Coil
Contact Form
SPDT

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Supco Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Supco Multi Voltage Relay: 1 Relay (SKU PR-1, MPN PR-1) is a general-purpose relay with a single-pole double-throw (SPDT) contact form. It features a coil rated for 120V AC or 18 to 35V AC/DC, and supports both normally closed and normally open configurations.

Frequently Asked Questions

What is the Supco PR-1 multi voltage relay used for?

The Supco PR-1 multi voltage relay is a general-purpose SPDT relay used in HVAC, refrigeration, and industrial control circuits. It switches loads in normally closed or normally open configurations, making it suitable for compressor control, fan cycling, and safety interlocks where reliable switching at multiple coil voltages is required.

What are the specifications of the Supco PR-1 relay?

The Supco PR-1 relay has an SPDT contact form with normally closed and normally open options. Its coil accepts 120V AC or 18 to 35V AC/DC. The manufacturer part number is PR-1. This multi-voltage capability allows flexible integration into systems with different control voltages without needing separate relay models.

Where to buy the Supco PR-1 relay worldwide?

You can source the Supco PR-1 relay through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide competitive pricing and reliable supply for this Supco general-purpose relay.

How to select the Supco PR-1 relay for an application?

To select the Supco PR-1 relay, verify your control circuit voltage matches its coil rating: 120V AC or 18 to 35V AC/DC. Ensure the load current and voltage are within the SPDT contact ratings. Use the normally closed or normally open configuration as required by your circuit design. Consult the Supco datasheet for exact electrical ratings.

Used in

Common applications for Supco
Commercial refrigeration maintenance — Supco SL5709 defrost thermostat for Larkin evaporator coils
HVAC system troubleshooting — Supco IG418 universal hot surface igniter for gas furnace replacement
Condensate management in negative pressure systems — Supco NPW1H drain trap for rooftop units
Temperature and sound logging in cold storage — Supco CR4 circular chart recorder for compliance documentation
Compressor protection in light industrial cooling — Supco CSS-25U hard-start device for inrush current control
Safety limit control in heating appliances — Supco SHM350 surface-mount limit control for over-temperature shutdown
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Supco Products

3G Electric supplies Supco general-purpose relays. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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