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Overview
The Schlegel Elektrokontakt LDT (SKU: LDT) is a robust momentary switch designed for precise control in industrial automation and machinery. Engineered in Germany, this switch features a 6 mm travel distance, ensuring clear tactile feedback and reliable actuation. The LDT is equipped with screw connections for secure and straightforward wiring, accommodating wire sizes from 0.14 mm² to 1.5 mm² (AWG 26-14). Its contact configuration includes one normally open (NO) and one normally closed (NC) contact, offering versatile switching capabilities. The rated insulation voltage is 300V, with a thermal continuous current (Ith) of 16A. For AC-15 applications, it supports a rated operating voltage (Ue) of 240V and a rated operating current (Ie) of 3A. In DC-13 applications, it handles up to 250V / 0.2A or 24V / 2A. The positive opening contacts (NC) comply with EN 60947-5-1. A key feature is the option for custom labeling, facilitating easy identification and system management in complex control panels. With a projected lifetime of 1 million switching cycles under rated load, the Schlegel LDT provides dependable performance for critical applications. Its IP65/IP67 degree of protection (depending on configuration) ensures resilience against environmental factors. The panel cut-out diameter is 16.2 mm, with a front bezel height of 12 mm, and a mounting depth of 41.5 mm. Ideal for control panels, machine interfaces, and automation systems where accuracy and durability are paramount.
- Momentary switching function
- 6 mm travel distance for precise actuation
- 1 Normally Open (NO) and 1 Normally Closed (NC) contact configuration
- Secure screw terminal connections (0.14-1.5 mm² / AWG 26-14)
- Customizable labeling option for easy identification
Specifications
Actuation Travel | 6 mm |
Actuator Color | red/green |
Bezel Color | anthracite |
Connection Type | Screw Connection |
Contact Type | 1NC + 1NO |
Ip Rating | IP40 |
Mounting Depth | 54 mm |
Panel Cutout | Ø22.3mm |
Product Type | Drucktaste |
Series | QUARTEX®-R |
Shape | Rectangular |
Switching Function | Tastfunktion |

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What are the dimensions for the installation opening?
The installation opening required is a diameter of 22.3 mm.
What is the required installation depth for this push button?
The required installation depth for the LDT push button is 54 mm.
What is the front protection rating of the LDT push button?
The front protection rating for the LDT push button is IP40.
What type of connection does the LDT push button use?
The LDT push button uses a screw terminal connection.
What is the actuation travel of the push button?
The actuation travel for the push button is 6 mm.
What is the switching function of the LDT push button?
The LDT push button has a momentary switching function.
What contact types are available for the LDT push button?
The LDT push button is available with 1 normally closed (NC) and 1 normally open (NO) contact.
What colors are available for the LDT push button's actuator and front frame?
The actuator is available in red/green, and the front frame is anthracite.
Can the LDT push button be labeled?
Yes, the LDT push button is designed to be labeled.







