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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
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Technical Specifications

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

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