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Condition:
Factory New
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Learn more:
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MFR:
RPI
Ships from Manufacturer
- MPN: MIA311
- Phone: (800) 221-9723
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Frequently asked questions
Does this actuator come ready for installation?
Yes, it is designed for a streamlined installation process. It arrives as a complete kit which includes:
- The primary actuator unit.
- Essential mounting hardware, including two 12” and two 14” cable ties (RPI#RPT375 and RPI#RPT816).
- Three fully insulated 1/4” quick-connect terminals for reliable electrical integration.
Is this a direct replacement for original equipment parts?
Absolutely. The RPI MIA311 is engineered to be a direct OEM cross-reference, ensuring it replaces the following OEM part numbers without requiring modifications:
- 016-0230-00
- 002-0344-00
- 029-0682-00
What are the power requirements for this actuator?
This unit is designed for standard professional equipment power supplies. It requires a 115VAC input and is rated for 2.2A operation.
Is this part suitable for Midmark - Ritter 405 tables?
Yes, this actuator is specifically engineered for compatibility with the Midmark - Ritter 405 series of exam tables and chairs, specifically for the base section mechanism.
Are there other components recommended for a full repair?
To ensure optimal performance and a comprehensive maintenance fix, you may also want to consider these related components:
- Capacitor (36-43µf; 330VAC): RPI#MIC219
- Brake & Coupler Kit: RPI#MIK167
Is the unit provided in factory-new condition?
Yes, the RPI MIA311 is sold as Factory New, guaranteeing that you receive a component in its optimal operational state, free from the wear associated with used or refurbished parts.
Does this part help maintain the original equipment's performance?
Since this is an RPI replacement part designed to exact OEM specifications, it is the ideal choice for maintaining the original factory performance and structural integrity of your Midmark - Ritter 405 medical equipment.
How should the electrical connections be handled during installation?
The kit includes three fully insulated 1/4” male quick-connect terminals. These provide a secure and protected connection point, which is essential for the reliable operation of the actuator within the exam table’s base.
What makes this actuator durable?
The unit features a robust construction consisting of a high-quality motor housing and an actuator rod protected by a densely ribbed, black flexible conduit. This design is specifically built to withstand the demands of frequent movement in medical chair and table base applications.
Is the mounting hardware included in the package?
Yes, to make your installation efficient, the package includes:
- Cable Management: 4 black cable ties (mix of 12” and 14” lengths) to secure wiring neatly.
- Terminals: 3 insulated terminals to ensure clean electrical contact.

RPI MIA311 Actuator (Base)