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Supco RO81 Overload Relay - Replacement HVACR Controls, Switches & Thermostats
SupcoReplacement HVACR Controls, Switches & Thermostats

Supco RO81 Overload Relay

Supco Replacement HVACR Controls, Switches & Thermostats. Specifications: Product Type: Overload Relay.

SKU 3G-OTH-80024

Also listed as: RO 81 · RO-81

Brand
Supco
Item
RO81 Overload Relay
Part Number
RO81
Category
Replacement HVACR Controls, Switches & Thermostats
Available to Order
Also known as:RO81Supco
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Supco
Manufacturer Part Number
RO81
Product Type
Overload Relay

Technical Documents

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

Product Description

Supco Replacement HVACR Controls, Switches & Thermostats. Specifications: Product Type: Overload Relay.

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 SUPCO RO81 overload relay used for?

The SUPCO RO81 overload relay is used in HVACR systems to protect compressors and motors from damage caused by excessive current. It trips when current exceeds a safe threshold, preventing overheating and failure. This replacement part is common in commercial refrigeration and air conditioning applications.

What are the specifications of the SUPCO RO81 overload relay?

The SUPCO RO81 is an overload relay with manufacturer part number RO81. It is designed as a replacement HVACR control for compressors and motors. Key specs include its product type as an overload relay, but detailed electrical ratings should be verified against the original equipment. Always match the relay to the compressor's amperage and voltage.

Where to buy the SUPCO RO81 overload relay worldwide?

You can source the SUPCO RO81 overload relay through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time; we provide this Supco replacement part for HVACR systems.

How to install the SUPCO RO81 overload relay?

To install the SUPCO RO81 overload relay, first disconnect power and discharge capacitors. Remove the faulty relay and connect the new RO81 to the compressor terminals, ensuring proper alignment and tight connections. Follow the manufacturer's wiring diagram for your specific HVACR unit. Test operation after installation.

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 replacement hvacr controls, switches & thermostats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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