What terminals do I run my pressure switch to ? On an air compressor

The pressure switch needs to INTERRUPT the wire that goes between the power on-off switch and the motor.

Which two terminals control the coil?

I think they are 96 & 98. depends upon what you want to connect to the coil. I dont think you can directly connect an E-Stop to this switch.

Does this do the same thing as a magnetic starter?

Yes a motor starter with overload relay which you need to be sure it is sized right for your motor protection

Can you start a 5 or 7.5 hp motor with this switch

I have used several of these in industrial applications and start 7.5 Ho Motors every day. Just make sure what the FLA is on your motor, doesn’t read over the current limit on this starter.

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🔧 Power Up Your Safety with Style!

✅ UL APPROVED SAFETY - Meets rigorous safety standards for peace of mind.
🔧 HEAVY DUTY DURABILITY - Engineered for long mechanical and electrical endurance.
🚨 EMERGENCY OPERATION READY - Features both raised OFF and built-in ON buttons for quick access.
🌧️ DUST WATERPROOF DESIGN - Built to withstand the elements, ensuring longevity.
🔒 RELIABLE OVERLOAD PROTECTION - Safeguards your equipment from unexpected power surges.

The Big Horn 18839 Magnetic Switch is a robust 3-phase, 10-HP device designed to protect your machinery from overloads and power interruptions. With a waterproof and dustproof rating (IP54), it ensures reliable operation in various environments. Featuring emergency buttons and UL approval, this switch is perfect for a wide range of industrial applications.

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€ 211.22

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Operation Mode	Off,Push Button
Current Rating	22 Amps
Operating Voltage	240 Volts
Brand	BIG HORN
Terminal	Button
Item Dimensions LxWxH	7.8 x 5.6 x 4.9 inches
Circuit Type	3 way
Actuator Type	Push Button
International Protection Rating	IP54
Number of Positions	3
Controller Type	Push Button
Connectivity Protocol	X-10
Unit Count	1 Count
Manufacturer	Big Horn
Part Number	18839
Item Weight	2.65 pounds
Product Dimensions	7.8 x 5.6 x 4.9 inches
Item model number	18839
Item Package Quantity	1
Batteries Included?	No
Batteries Required?	No

Big Horn 18839 3-Phase, 220-240-Volt, 10-HP, 22-34-Amp Magnetic Switch - UL Approved

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