Is the Supco Relay RCO420 1/4 available from 3G Electric?

Yes — 3G Electric supplies genuine Supco products with in-stock availability on common SKUs and worldwide shipping.

How do I get a quote for the Supco Relay RCO420 1/4?

Click "Request a Quote" on this page or add the product to your RFQ cart. Our engineers will respond within 24 hours with pricing, lead times, and technical recommendations.

Does 3G Electric provide technical support for hvac equipment?

Yes, our team of experienced engineers provides full technical support including product selection, installation guidance, commissioning, and after-sales service for all hvac equipment we distribute.

Technical Documents

(1)

Technical Document 1

PDF Document

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.

Product + Service Bundle QuoteQuote

Quick Inquiry

SupcoHVAC Equipment

Available to Order

Supco Relay RCO420 1/4

Supco RCO420 is a pin-type relay for HVAC equipment rated 1/4 hp, designed for air conditioning and refrigeration control circuits. This PO series relay provides reliable switching for compressor motor protection in…

SKU 3G-CBM-01266

Also listed as: COP 02015 · COP-02015

Brand

Supco

Item

Relay RCO420 1/4

Technical Specifications

Supco

type

RCO420 

series

PO

hp range

1/4

mounting

pin-type 

View Full Spec Sheet

Worldwide Shipping

Air & sea freight

Datasheet on Request

Technical specs

1-Day Quote

SG-based team

Qty

WhatsApp Telegram

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

Installation & Commissioning

Professional setup and verification by our technicians

View

Ongoing Maintenance Plan

Scheduled preventive maintenance for this equipment

View

Product + Service Bundle

Combined quote for equipment, installation, and service

View

Solutions Engineering

Need guidance on product selection or system design?

Contact Our Engineering Team

Supco Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Used in

Common applications for Supco

Commercial 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.

Browse all Supco products →Contact our engineers →