Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Image not available
SupcoFixed-Potential Relay

Supco Potential Relay: 314V AC to 342V AC Pick Up, 135V AC Drop Out, Fixed

The Supco 9068 is a fixed-potential relay with a pickup voltage range of 314V AC to 342V AC and a maximum drop out voltage of 135V AC. It features a 502V AC coil voltage and an SPST contact form. This relay is…

SKU 3G-OTH-68542

Brand
Supco
Item
Potential Relay: 314V AC to 342V AC Pick Up, 135V 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 — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Supco
Manufacturer Part Number
9068
Coil Voltage
502V AC
Contact Form
SPST
Maximum Drop Out Voltage
135V 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 9068 is a fixed-potential relay with a pickup voltage range of 314V AC to 342V AC and a maximum drop out voltage of 135V AC. It features a 502V AC coil voltage and an SPST contact form. This relay is manufactured by Supco under part number 9068.

Frequently Asked Questions

What is the Supco 9068 potential relay used for?

The Supco 9068 fixed-potential relay is used in HVAC and refrigeration systems to control start windings in single-phase compressors. It disconnects the start capacitor once the motor reaches sufficient speed, preventing overheating and improving efficiency.

What are the specifications of the Supco 9068 potential relay?

The Supco 9068 has a pickup voltage range of 314V AC to 342V AC, a maximum drop out voltage of 135V AC, and a coil voltage of 502V AC. It features an SPST contact form and is manufactured by Supco under part number 9068.

Where to buy the Supco 9068 potential relay worldwide?

You can source the Supco 9068 potential relay through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your operations.

How to install the Supco 9068 potential relay?

To install the Supco 9068, first disconnect power and verify the relay's pickup and drop-out voltages match your compressor specs. Mount it securely, connect the SPST contacts per the wiring diagram, and test operation. Always follow Supco's guidelines for safe installation.

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)
This fixed-potential relay is designed for motor-start circuits, disconnecting the start winding when the motor reaches a preset speed. It features a coil voltage of 168V AC, SPST contact form, and a maximum drop-out voltage of 55V AC. Suitable for any mounting position, it is commonly used in HVAC and refrigeration compressor applications
This fixed-potential relay is designed for motor-start circuits, disconnecting the start winding when the motor reaches a preset speed. It features a coil voltage of 168V AC, SPST contact form, and a maximum drop-out voltage of 55V AC. Suitable for any mounting position, it is commonly used in HVAC and refrigeration compressor applications
This fixed-potential relay features a SPST contact form with a coil voltage of 450V AC. It has a maximum drop-out voltage of 130V AC and can be mounted in any position. Typical applications include motor-start circuits, HVAC systems, and automation panels where voltage-based switching is required
This fixed-potential relay features a SPST contact form with a coil voltage of 450V AC. It has a maximum drop-out voltage of 130V AC and can be mounted in any position. Typical applications include motor-start circuits, HVAC systems, and automation panels where voltage-based switching is required

More from Supco

View all Supco parts
Supco
Supco
Fixed-potential relay with a pickup voltage range of 180V AC to 195V AC and a maximum drop out voltage of 105V AC. Features a 338V AC coil voltage and SPST contact form. Used in HVAC and refrigeration systems to control start capacitors in single-phase compressor motors
Supco
Supco
Fixed-potential relay with a pickup voltage range of 280V AC to 310V AC and a maximum drop out voltage of 121V AC. Features a 420V AC coil voltage and SPST contact form. Used in HVAC and refrigeration systems for controlling start windings in single-phase compressors
Supco
Supco
Fixed-potential relay with 168V AC coil voltage and SPST contact form. Pick-up voltage range 140V AC to 153V AC; maximum drop-out voltage 45V AC. Used in HVAC and refrigeration systems to disconnect the start capacitor once the motor reaches sufficient speed
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: 285V AC to 305V AC Pick Up, 85V AC Drop Out, Fixed, 332V AC (MPN 9070)
Supco
Supco
Potential Relay: 242V AC to 272V AC Pick Up, 140V AC Drop Out, Fixed, 395V AC (MPN 9064)
Supco
Supco
Potential Relay: 223V AC to 259V AC Pick Up, 121V AC Drop Out, Fixed, 420V AC (MPN 9071)