MMTC PBS-3UDS Interior Up-Down-Stop Control Station
The MMTC PBS-3UDS is an interior NEMA 1 three-button surface-mount control station labeled for UP, DOWN, and STOP functions. It is commonly used with commercial door, shutter, lift, or similar operator control circuits where the command labels need to match vertical movement instead of OPEN and CLOSE wording. The metal housing makes it a practical replacement or add-on station for indoor wall-mounted control points.
This station is intended for momentary command wiring into a compatible low-voltage or control-voltage operator circuit. UP and DOWN terminology may be preferred on hoist, shutter, rolling door, grille, or other applications where the movement direction is easier for the user to understand. The STOP button must be wired according to the operator diagram because stop circuits may differ from open/down commands.
Do not confuse PBS-3UDS with PBS-3, PBS-3FRS, PBS-3S, or other three-button stations that use different legends or contact expectations. The right station should match both the command labels and the control circuit requirements.
Compatible With
This product is commonly used with the following applications when the operator control circuit, wiring terminals, enclosure needs, and site layout match the part being replaced or added:
- Interior commercial door and operator controls that use UP-DOWN-STOP button labels.
- Rolling doors, shutters, grilles, service doors, lifts, and similar applications where UP/DOWN wording is preferred.
- Operator circuits with matching three-button momentary control station wiring.
- Replacement for matching PBS-3UDS installations where the metal NEMA 1 surface-mount housing and button legends match.
- Related PBS surface-mount station applications where button count, labels, and contact layout are verified.
Because control stations and accessory devices are wired into the operator control circuit, verify the terminal labels, contact type, voltage rating, enclosure rating, and required command functions before ordering.
Features and Specifications
| Manufacturer | MMTC |
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| Product Type | Interior three button surface mount control station |
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| Part Number | PBS-3UDS |
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| Button Function | UP-DOWN-STOP |
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| Enclosure Rating | NEMA 1 interior |
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| Enclosure Material / Style | Metal housing |
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| Mounting Style | Surface mount |
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| Dimensions | H=5-5/16 in, W=2-3/8 in, D=1-13/16 in |
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| Application | Interior commercial operator command station |
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| Notes | Use where UP-DOWN-STOP legends match the operator application. |
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Also Known As / Related Part Numbers
- MMTC PBS-3UDS
- PBS-3UDS
- MMTC-PBS-3UDS
- UP-DOWN-STOP station
- NEMA 1 three button interior station
- Related: PBS-3, PBS-3FRS, PBS-3S, PBS-3R
Technician Note
PBS-3UDS is mostly about the correct command labels and contact layout. Do not swap it with an OPEN-CLOSE-STOP or FORWARD-REVERSE-STOP station unless the operator controls and site labeling remain correct.
Before Ordering Checklist
- Confirm that the application requires UP-DOWN-STOP legends.
- Verify indoor NEMA 1 mounting is acceptable.
- Check the operator wiring diagram for STOP contact requirements.
- Confirm the existing station housing size and mounting holes if replacing.
- Verify control voltage and circuit type before wiring.
Professional Advisory
Installation should follow the operator manufacturer's wiring diagram and all applicable safety requirements. Do not bypass stop circuits, monitored safety devices, entrapment protection, or required warning devices. If the operator uses high voltage wiring or the control circuit is not clearly identified, have the work performed by a qualified gate or commercial door technician.
Product Questions and Answers
What is the PBS-3UDS used for?
It is used as an interior surface-mount control station with UP, DOWN, and STOP buttons for compatible operator control circuits.
Is PBS-3UDS for outdoor use?
No. It is a NEMA 1 interior control station and should not be used where a weather-rated exterior enclosure is required.
How is it different from PBS-3FRS?
PBS-3UDS uses UP-DOWN-STOP legends, while PBS-3FRS is for FORWARD-REVERSE-STOP control applications.
Can it replace an OPEN-CLOSE-STOP station?
Only if the operator and site labeling requirements allow the change. The button legends and wiring should match the intended movement.
Does it include the metal housing?
Yes. MMTC lists this family with a metal surface-mount housing.
