Lorain
Electrical switch for Lorain LRT-275D
This electrical switch is a non-return control component designed for Lorain and Terex crane systems. It identifies as part number 1223-744.
Compatible models
Specifications
- Part number
- 1223-744
- Brand
- Lorain
The electrical switch serves as a control interface within the crane electrical system. This non-return or momentary switch functions by activating or deactivating a circuit only while the operator maintains pressure on the control, returning to its default state once released. It is commonly integrated into control panels to manage specific hydraulic functions, warning lights, or safety systems that require direct and continuous operator input for active engagement.
This component is compatible with Lorain LRT-275D, LRT450, and T-340 models, as well as Terex LRT-275D, LRT450, and T 340 cranes. It ensures consistent electrical continuity within the machine control architecture, allowing for precise operation of connected systems. By providing a reliable signal path, this switch facilitates the intended mechanical responses during crane operation.
In heavy machinery, electrical switches of this type act as the primary link between operator commands and the machine electronic control unit or direct solenoid actuators. They are configured to handle the voltage and current requirements of the specific circuit they regulate, ensuring that auxiliary equipment and safety interlocks respond immediately to operator intervention.

