MMTC 2BX Nema 4 Exterior Two Button Surface Mount Control Station Metal House
The MMTC 2BX is an exterior two-button surface-mount control station for installations that need separate open and close commands from one weather-resistant station. It is commonly installed near commercial overhead doors, rolling doors, gated entries, parking areas, warehouses, service bays, and equipment rooms where authorized personnel need manual control without a full keypad or access-control system. The metal NEMA 4 enclosure protects the push buttons in many exterior or damp locations when installed correctly. The important wiring point is that a two-button station normally does not include a stop button, so it should only be used where the operator has the proper stop circuit elsewhere or where the control design allows open-close only station operation. Match the station to the original wiring diagram and required button layout.
Compatible With
This control station is compatible by control-circuit design, not by brand name alone. Use it only when the operator or control panel supports the same button functions and contact style.
- Select commercial door operators with separate open and close station terminals
- Select gate operators and parking controllers that accept open and close dry-contact inputs
- Exterior surface-mount installations requiring a metal NEMA 4 enclosure
- Warehouse, loading dock, service bay, guard station, and equipment control applications
- Replacement for existing 2BX stations where button count, enclosure footprint, and contact style match
Features and Specifications
| Manufacturer | MMTC |
| Product Type | Exterior two-button control station |
| Part Number | 2BX |
| Application | Manual control station for gate, commercial door, overhead door, parking, or equipment-control circuits |
| Button Function | Open and close push buttons |
| Contact Style | Momentary push-button contacts |
| Enclosure / Mounting | NEMA 4 metal surface-mount enclosure |
| Approximate Dimensions | Approx. 4-3/8 in H x 4-1/8 in W x 2-5/8 in D |
| Compatible Operator Type | Select operators or control panels with matching dry-contact control inputs |
| Included Components | Control station assembly only unless otherwise stated |
| Notes | Verify button function, stop-circuit logic, contact style, and wiring diagram before replacement |
Also Known As / Related Part Numbers
- 2BX
- MMTC-2BX
- 2 BX
- two button control station
- open close station
- 2BXT
- 2BXL
- 2B4X
- PBT-2
- NEMA 4 two button station
Technician Note
Do not use a two-button open-close station where the operator requires a three-button open-close-stop station unless the stop circuit is properly provided elsewhere. These stations are typically wired to low-voltage or control-voltage terminals, but the actual circuit rating and wiring method must follow the operator manufacturer instructions.
Before Ordering Checklist
- Confirm the exact MMTC part number on the old station or parts list.
- Confirm the number of buttons and the intended button functions.
- Check whether the application is interior or exterior and whether the enclosure rating is appropriate.
- Match the contact style, including momentary, maintained, single-pole, double-pole, normally open, and normally closed requirements.
- Compare the enclosure footprint, conduit entry, and available mounting space.
- For any stop or emergency-stop circuit, verify the control logic before changing parts.
Professional Advisory
Do not use a push-button station to bypass monitored safety devices, entrapment protection, interlocks, or required stop circuits. If the operator moves unexpectedly, has damaged controls, or involves high-voltage wiring, have the system checked by a qualified gate or commercial door technician.
Questions and Answers
What is the MMTC 2BX used for?
The MMTC 2BX is used as a manual control-station device for compatible gate, commercial door, overhead door, parking, or equipment-control circuits. The exact button function depends on how the control station is wired to the operator or panel.
Is the MMTC 2BX compatible with all gate and garage door operators?
No. It may be used with select operators that accept the same dry-contact input style, button count, enclosure type, and contact arrangement. Always match the wiring diagram and the original control-station function before ordering.
Can this control station be used as a safety device?
No. This is a manual command device. It is not a monitored photo eye, safety edge, loop detector, or entrapment protection device, and it should not be used to bypass required safety devices.
What should be checked before replacing an existing 2BX?
Check the original part number, button labels, enclosure footprint, conduit entry, contact type, stop-circuit logic where applicable, and whether the operator expects normally open or normally closed control contacts.
Can a similar MMTC station with the same number of buttons be substituted?
Not automatically. Similar-looking MMTC stations may differ by enclosure material, NEMA rating, double-pole contact construction, latching versus momentary action, stop contact logic, or mounting footprint.
