LiftMaster 02403 3-Button Outdoor Surface Mount Station - Die-Cast Metal
The LiftMaster 02403 3-Button Outdoor Surface Mount Control Station - Die-Cast Metal is a wired push-button station used to command a compatible LiftMaster commercial or industrial door operator from a fixed location. This style of station is different from a residential wall console: it is a simple dry-contact control device that connects to the operator control terminals and sends the operator the OPEN/CLOSE/STOP command signals allowed by the selected wiring type. In real installations, these stations are commonly mounted near sectional overhead doors, rolling steel doors, dock doors, warehouse doors, maintenance doors, and controlled commercial entrances where staff need direct local control.
The main fitment questions are button count, mounting style, enclosure rating, and control wiring type. A 3-button open/close/stop station should only be used where the operator manual supports that function. Indoor NEMA 1 stations are for protected interior areas, while NEMA 4/12 outdoor stations are better suited for exposed or wash-down-prone commercial locations. If the station does not include a STOP button, a separate stop control may be required on many industrial operators. Always match the old station and operator wiring diagram before replacing a control station.
Compatible With
Commonly used with LiftMaster industrial operators where a rugged outdoor 3-button station is required:
- May be used with all LiftMaster industrial operators where a standard OPEN/CLOSE/STOP station is specified
- LiftMaster Logic 3, Logic 4, and Logic 5 commercial operator platforms when the operator manual calls for a dry-contact station
- LiftMaster Medium-Duty and Industrial-Duty operators such as T, APT, H, J, HJ, GH, GT, SD, and related commercial door operator families when wired to the correct terminals
- Select commercial overhead door, rolling door, sectional door, grille, and fire/shutter control applications that accept hardwired push-button inputs
- Access-control, guard-station, service-door, warehouse, loading-dock, and interior/exterior command locations where the enclosure rating and wiring type match
- Exterior loading dock, service bay, gate-house, warehouse, and commercial door locations where a die-cast metal NEMA 4/12 enclosure is needed
- Not a residential wall console and not a radio receiver
Features and Specifications
| Manufacturer | LiftMaster |
| Product Type | 3-button OPEN/CLOSE/STOP commercial control station |
| Part Number | 02403 / 02-403 |
| Mounting Style | Outdoor surface mount |
| Enclosure / Rating | NEMA 4/12 die-cast metal enclosure |
| Application | Hardwired commercial door operator control |
| Button Function | OPEN normally open, CLOSE normally open, STOP normally closed; verify terminal layout |
| Contact Type | Dry-contact push-button station, verify NO/NC contact arrangement by wiring diagram |
| Compatible Operator Type | Select LiftMaster commercial and industrial door operators with matching control wiring |
| Safety Notes | Not an entrapment protection device; do not bypass stop or safety circuits |
Also Known As / Related Part Numbers
- 02403
- 02-403
- 02-403-N4/12
- LM-02403
- LM-02-403
- LiftMaster 02403
- LiftMaster 02-403
- G02403
- 3-button outdoor station die-cast metal
Technician Note
- Match this 3-button open/close/stop station to the operator wiring type, not just to the LiftMaster brand name.
- Check whether the installed operator requires constant pressure, momentary open/close/stop, or separate stop wiring.
- If the door does not stop correctly, reverses unexpectedly, or has missing safety devices, stop using the door and have it checked by a qualified technician.
Before Ordering Checklist
- Confirm the operator model and wiring type in the manual.
- Compare the old station part number, button count, enclosure style, and mounting type.
- Confirm whether a STOP button is required at the control location.
- Verify indoor vs. outdoor location and enclosure rating.
- Turn off power and follow the operator wiring diagram; high-voltage and door-control wiring should be handled by a qualified technician.
Professional Advisory
Commercial door controls directly affect door movement. Do not modify wiring to bypass stop functions, constant-pressure requirements, monitored safety devices, interlocks, or code-required controls. Use a qualified technician when replacing controls on powered commercial doors.
Product Questions and Answers
What is the 02403 / 02-403 used for?
It is used as a hardwired 3-button open/close/stop control station for compatible LiftMaster commercial or industrial door operators where the control circuit supports that button layout.
Can this be used on a residential garage door opener?
It is intended for commercial and industrial door operator control circuits, not typical residential smart wall controls or Security+ wall consoles.
Does this control station include a safety sensor?
No. It is a command station only. Required photo eyes, sensing edges, monitored entrapment protection, and operator safety circuits must remain in place.
How do I confirm compatibility?
Match the old station part number, enclosure style, button count, and the operator wiring diagram. The wiring type matters more than the door brand alone.
Can I install it myself?
Low-voltage control wiring should still be installed according to the operator manual. If line voltage, door movement, or safety circuits are involved, use a qualified commercial door technician.
