Complete Solution
Need installation, maintenance, or a bundled quote?
Our engineers can help with product selection, system design, installation, and ongoing service — all from one partner.
Quick Inquiry
Worldwide Shipping
Datasheet on Request
1-Day Quote
Sign in to view pricing
Qty
Create a free account to submit your RFQ and download technical documents.
Not sure this is the right part? Get a recommendation.
Pair with a Service
Solutions Engineering
Need guidance on product selection or system design?
Contact Our Engineering TeamSupco Products
3G Electric (S) Pte. Ltd. — Singapore
Product Description
Supco Relay RO22 is a refrigeration relay for HVAC equipment, rated 115/230 VAC and 1/12–1/2 hp, designed for compressor motor control in cooling and refrigeration systems.
Used in
Common applications for SupcoCommercial refrigeration display cases — Supco RO82 relay and CSS-25U starter for compressor motor control without run capacitors
Medium-load HVAC systems — Supco SPP 6/SPP 8 hard-start devices to reduce compressor inrush current and extend motor lifespan
Cold-chain pharmaceutical and food storage — SL300TH temperature–humidity data logger for continuous monitoring and regulatory documentation
Refrigerant service operations — Piercing valves and perforator cocks in 1/2" and 5/8" sizes for fast, non-invasive line access
Compressor thermal management — Universal Compressor Door for reducing shell temperature and improving efficiency in hot ambient conditions
Retrofit and field repairs — Supco controls with Quick Connect terminals for rapid installation in legacy refrigeration circuits
Supco Products
3G Electric supplies Supco hvac equipment. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
You might also need
More from Supco
View all Supco parts →
Need a complete solution?
Product selection, system design, installation, and ongoing maintenance — all from one partner.