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Condition:
Factory New
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Learn more:
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MFR:
RPI
Ships from Manufacturer
- MPN: CMS052
- Phone: (800) 221-9723
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Frequently asked questions
Does this switch work with my Apollo compressor?
Yes, this RPI CMS052 Pressure Switch is specifically engineered for Apollo/Midmark ALCQL82 dental compressor models, ensuring a precise fit and reliable performance for your equipment.
Is this a direct replacement for the OEM part?
Absolutely. This unit functions as a direct replacement for OEM Part #ECS10455, maintaining the exact operational standards required by your system.
What is the factory-set pressure range?
The switch is precision factory-set to maintain optimal compressor cycling:
- On: Activates at 75 PSI
- Off: Deactivates at 100 PSI
Does it include necessary safety components?
Yes, for your convenience and system safety, each order includes a 2-way Pressure Relief Valve (RPI Part #CMV059), which is essential for proper pneumatic venting.
What kind of electrical system does this support?
This component offers versatile voltage compatibility, rated to operate effectively across both 115VAC and 230VAC electrical systems.
Is there a newer version of this part available?
While this specific part (CMS052) is highly effective, it has been superseded by RPI Part #CMS057. Both parts are designed to meet the rigorous demands of dental compressor operations.
What is the contact configuration for this switch?
This unit utilizes an N.C. SPDT (Normally Closed Single Pole Double Throw) contact configuration, ensuring standard, reliable electrical switching for your compressor’s duty cycle.
How do I connect this to my existing system?
The switch is designed for standard pneumatic integration and features a 1/4” FPT (Female Pipe Thread) input port, making it compatible with standard connections used in dental compressor setups.
Is this a high-quality replacement part?
Yes, RPI components are built to meet or exceed OEM specifications. This switch is Factory New and provides a reliable, high-performance solution for regulating your dental compressor pressure.
Should I be aware of any safety precautions?
As this is a technical electrical and pneumatic component for industrial medical equipment, it is important to follow standard safety protocols during installation and ensure it is integrated correctly into your compressor system by a qualified technician.

RPI CMS052 Pressure Switch