LiftMaster 50-19503 Push-to-Open Bracket Kit for Supported Swing-Gate Operators
The LiftMaster 50-19503 is a push-to-open bracket kit for supported linear swing-gate operator installations. It provides the special post-pivot arrangement used when the operator pushes the gate open instead of pulling it inward. Supplier documentation identifies LA400 and LA412 applications, and the referenced LA500 manual also lists this accessory. Match the exact operator revision and mounting geometry before ordering. This is installation hardware, not an actuator, and it does not make an unsuitable outward-swinging gate layout safe.
Compatibility — Models, Versions and Exclusions
| Model or selection point | Compatibility requirement |
|---|---|
| LA400 and LA412 applications | Supplier identifies these models; confirm the appropriate installation drawing for the exact generation. |
| LA412UL | Manufacturer manual lists 50-19503 when a push-to-open arrangement is required. |
| LA500 | Referenced manufacturer manual lists this push-to-open accessory; check its model-specific geometry. |
| Other linear actuators or articulated-arm operators | No universal mounting compatibility is established. |
Check the Full Swing Path Before Choosing Push-to-Open
Outward opening changes the space occupied by the moving gate and can change the entrapment zones. Have the installer assess the entire travel path, nearby walls and posts, vehicle positions and pedestrian access. The bracket changes the actuator’s mounting arrangement; it does not authorize a gate to sweep into an unsafe or unsuitable area.
Correct pivot geometry is essential to operator performance. The manufacturer kit instructions show a specific bracket assembly and positioning method, while the operator manual supplies the requirements for the actual equipment. A bracket should not be relocated by guesswork to gain extra opening angle or compensate for an obstructed post. Confirm the mounting surfaces and required gate reinforcement before work begins.
Specifications and Product Identification
| Specification | Details |
|---|---|
| Part number | 50-19503 |
| Product type | Push-to-open bracket kit |
| Function | Provides the documented post-pivot arrangement for outward opening |
| Documented families | LA400, LA412 and the referenced LA500 accessory list |
| Selection requirements | Exact operator revision, hinge geometry, post and gate clearances |
| Not included as a complete system | Gate operator, gate structure and site installation |
Before Ordering
- Record the full operator model and determine which gate leaf needs push-to-open mounting.
- Measure the hinge-to-post layout and compare it with the applicable drawings.
- Check the outward swing path and all resulting entrapment locations.
- Confirm the required bracket quantity and any separate structural mounting hardware.
Package Contents and Separate Requirements
This listing identifies the 50-19503 bracket kit. Confirm the current carton for the special pivot bracket and supplied fasteners. The full post-bracket assembly shown in installation drawings can include components supplied with the operator, so do not assume every pictured part is included in this accessory. Actuator arms, gate brackets, structural reinforcement and a second-leaf installation must be planned separately as needed.
Safety Warnings — Read Before Installation or Service
- WARNING: Changing gate swing direction can create new crushing and entrapment hazards. Installation requires a qualified gate-systems professional.
- Disconnect all applicable power and secure the gate before changing the actuator mounting.
- Do not use operator force to overcome incorrect pivot geometry or a binding gate. Follow the model-specific mounting requirements.
- Reconfigure and test travel and the required protection devices for the new motion path before allowing normal use.
Related Products and Important Differences
- LMRRUL monitored photo eye — a protection option for approved gate controls; positioning must suit the changed swing path.
- LMWEKITU monitored wireless edge kit — a connection option for compatible monitored edges where the installation assessment requires contact protection.
Frequently Asked Questions
Does this kit include a gate-opening arm?
No. It is mounting hardware for a supported operator. The actuator and complete gate system are separate.
Can I use the same measurements for LA400 and LA500?
Do not assume that. Follow the installation instructions for the exact operator and kit arrangement.
Does one kit cover both leaves of a dual gate?
Confirm the hardware required for each leaf. This listing does not promise a complete two-leaf conversion package.
Can I change to outward opening without moving safety devices?
The installer must reassess the motion path and protection zones. Existing device locations may no longer provide the required protection.
Need Help Confirming the Right Product?
Contact Garage-DoorParts.com before ordering. Send the full equipment model, readable part labels and photographs of the installed assembly. Include the dimensions, electrical configuration or accessory details relevant to your project so the listing can be checked against the actual installation.
Details
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