Skip to content
-
Condition:
Factory New
-
Learn more:
-
MFR:
RPI
Ships from Manufacturer
- MPN: VPS175
- Phone: (800) 221-9723
+Free Shipping*
Shop with Confidence
Free Shipping
Free Returns
Sales Tax Exemption
+Dedicated Account Managers
Description
OEMs & Models > DENTAL VACUUM UNITS > AIR TECHNIQUES > VacStar 4 > VPS175
DENTAL VACUUM UNITS
AIR TECHNIQUES
VacStar 4
RPI Part #VPS175
OEM Part #55677
THERMAL OVERLOAD SWITCH
- Automatic reset
- Opens @ 302˚F; Closes @ 239˚F
- 120VAC @ 40A / 240VAC @ 30A
Fits: Electrical control box
Frequently asked questions
Is this a direct replacement for my OEM part?
Yes, this is an RPI Part #VPS175, which is a direct, high-quality replacement for OEM Part #55677. It is specifically engineered to fit and function within the Air Techniques VacStar 4 dental vacuum systems.
Does this switch reset on its own?
Yes, it features an automatic reset mechanism. This simplifies operation by allowing the device to return to normal function once the equipment cools down, reducing the need for manual intervention.
At what temperature does this switch activate?
The switch is designed for high-precision thermal monitoring with specific safety thresholds:
- Opens: At 302°F to cut power.
- Closes: At 239°F to automatically reset the system.
Can this handle significant electrical loads?
Absolutely. This thermal overload switch is built for high-capacity applications to ensure reliable protection for your control box. It is rated for:
- 120VAC at up to 40A
- 240VAC at up to 30A
Is this component brand new?
Yes, this item is supplied in Factory New condition. Purchasing factory new parts ensures optimal performance, consistent reliability, and a longer service life for your critical dental vacuum equipment.
Where is this switch typically installed?
This component is specifically designed to be integrated into the electrical control box of the Air Techniques VacStar 4 dental vacuum unit, where it provides essential protection against over-temperature conditions.
What is the primary function of this switch?
Its primary function is thermal protection. By monitoring the temperature inside the electrical control box, it prevents damage by disconnecting power if a dangerous over-temperature threshold is reached, then automatically resets once safe operating temperatures are restored.
Is this RPI switch reliable for dental equipment?
RPI parts are manufactured to meet or exceed OEM specifications. Because this switch is designed precisely for the Air Techniques VacStar 4, you can trust it to maintain the safety and efficiency standards required in a busy dental practice.
Are there different sizes or configurations available?
No, this is a specific, precision-engineered part. It comes in one standard configuration designed to perfectly match the OEM specifications for the VacStar 4 unit.
Will this part fit my specific model?
This part is explicitly compatible with the Air Techniques VacStar 4 dental vacuum units. It matches the technical requirements of the original 55677 part number used in that specific model.
RPI VPS175 Thermal Overload Switch