We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

Image not available
SupcoFixed-Potential Relay

Supco Potential Relay: 223V AC to 259V AC Pick Up, 121V AC Drop Out, Fixed

The Supco 9071 is a fixed-potential relay with a pickup voltage range of 223V AC to 259V AC and a maximum drop out voltage of 121V AC. It features a 420V AC coil voltage and an SPST contact form. This relay is…

SKU 3G-OTH-68693

Brand
Supco
Item
Potential Relay: 223V AC to 259V AC Pick Up, 121V AC Drop Out, Fixed
Category
Fixed-Potential Relay
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Supco
Manufacturer Part Number
9071
Coil Voltage
420V AC
Contact Form
SPST
Maximum Drop Out Voltage
121V AC

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The Supco 9071 is a fixed-potential relay with a pickup voltage range of 223V AC to 259V AC and a maximum drop out voltage of 121V AC. It features a 420V AC coil voltage and an SPST contact form. This relay is designed for applications requiring a fixed potential relay with these specified voltage parameters.

Frequently Asked Questions

What is the Supco 9071 potential relay used for?

The Supco 9071 fixed-potential relay is used in HVAC and refrigeration systems to control start windings in single-phase motors. It picks up between 223V AC and 259V AC and drops out at 121V AC, ensuring reliable motor starting and protection.

What are the specifications of the Supco 9071 potential relay?

The Supco 9071 has a coil voltage of 420V AC, a pickup voltage range of 223V AC to 259V AC, and a maximum drop out voltage of 121V AC. It features an SPST contact form and is a fixed-potential relay designed for motor-start applications.

Where to buy the Supco 9071 potential relay worldwide?

3G Electric supplies the Supco 9071 potential relay worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this relay to your facility. Contact us for availability and lead time.

How to install the Supco 9071 potential relay?

Install the Supco 9071 by connecting the relay coil across the start winding and the normally closed contacts in series with the start capacitor. Ensure the pickup voltage (223V AC to 259V AC) matches your system. Follow standard electrical safety practices and consult the manufacturer's guidelines.

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 fixed-potential relay. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Potential Relay: 110V AC to 270V AC Pick Up, Adj Drop Out, Adj, Any Position, 270V AC (MPN APR5)
Supco
Potential Relay: 110V AC to 270V AC Pick Up, Adj Drop Out, Adj, Any Position, 270V AC (MPN APR5)
Supco
Supco
Multi Voltage Relay: 1 Relay, SPDT, Normally Closed/Normally Open, 120V AC/18 to 35V AC/DC Coil (MPN PR-1)
SUPCO Single Function Encapsulated Timing Relay: Surface Relay Mounting, 19 to 250V AC/DC (MPN TD69)
Supco
SUPCO Single Function Encapsulated Timing Relay: Surface Relay Mounting, 19 to 250V AC/DC (MPN TD69)
Potential Relay: 189V AC to 205V AC Pick Up, 130V AC Drop Out, Any Position, 450V AC
Potential Relay: 189V AC to 205V AC Pick Up, 130V AC Drop Out, Any Position, 450V AC

More from Supco

View all Supco parts
Supco
Supco
Potential Relay: 171V AC to 184V AC Pick Up, 90V AC Drop Out, Fixed, 332V AC (MPN 9065)
Supco
Supco
Potential Relay: 204V AC to 233V AC Pick Up, 130V AC Drop Out, Fixed, 395V AC (MPN 9066)
Supco
Supco
Potential Relay: 314V AC to 342V AC Pick Up, 135V AC Drop Out, Fixed, 502V AC (MPN 9068)
Supco
Supco
Potential Relay: 180V AC to 195V AC Pick Up, 105V AC Drop Out, Fixed, 338V AC (MPN 9069)
Supco
Supco
Potential Relay: 280V AC to 310V AC Pick Up, 121V AC Drop Out, Fixed, 420V AC (MPN 9067)
Supco
Supco
Potential Relay: 242V AC to 272V AC Pick Up, 140V AC Drop Out, Fixed, 395V AC (MPN 9064)
Supco
Supco
Potential Relay: 285V AC to 305V AC Pick Up, 85V AC Drop Out, Fixed, 332V AC (MPN 9070)
Supco
Supco
Potential Relay: 140V AC to 153V AC Pick Up, 45V AC Drop Out, Fixed, 168V AC (MPN 9063)