The Genie 139644-12CK1GT is a genuine OEM Blue Tab Micro Limit Switch built for the Genie SX-180 super-boom telescopic lift. As a direct OEM replacement, this switch is manufactured to the same specification as the original part, ensuring correct electrical response and dependable operation. Verify part number 139644-12CK1GT against your machine's parts manual before ordering to confirm it is the correct switch for your unit's configuration.
Key Features
- Correct Electrical Specification — Manufactured to OEM tolerances, this switch delivers the precise actuation force and contact rating the machine's control circuit requires — not an approximate match.
- Color-Coded for Accurate Installation — The blue tab designation is a deliberate visual identifier, reducing the risk of installing the wrong switch during service or rebuild work.
- Direct OEM Replacement — Drops into the existing mounting position on the SX-180 with no modification, using the same tab and body geometry as the original component.
- Supports Machine Position Sensing — A functioning limit switch signals the control system when a boom or structural element reaches a defined travel boundary, enabling the machine to operate within its designed range of motion.
- Operational Safety Relevance — On aerial boom lifts, limit switches are part of the motion-control and overtravel-protection circuit. A faulty or misconfigured switch can cause unintended movement or prevent normal machine function — OEM specification matters here.
A limit switch is an electromechanical device that detects the position or movement of a machine component and sends a signal to the control system when a set point is reached. On a boom lift such as the SX-180, limit switches are used to monitor travel boundaries and trigger responses — such as stopping or limiting motion — to keep the machine operating within its designed envelope. When a limit switch fails, sticks, or is replaced with an incorrectly rated unit, the machine may not respond as intended at those boundaries, compromising both function and operator safety. Replacing a worn or faulty switch with the correct OEM part restores the designed response.
Part Details
| Part Number | 139644-12CK1GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Blue Tab Micro Limit Switch |
Compatibility & Fitment
| Name | Models |
|---|---|
| SX-180 | SX-180 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
