The NDP50GR/SW from K.A. Schmersal GmbH & Co. KG is a robust mushroom-head pushbutton designed for hygienic applications in the food, pharmaceutical, and chemical industries. With a large form factor and a 50 mm head diameter, this pushbutton is ideal for demanding environments. It is hygiene-certified and offers a protection rating of IP67 and IP69K, making it resistant to dust, water, and high-pressure cleaning.

The black pushbutton head is made of durable ABS plastic, while the bezel is chrome-plated, and the sealing bellow is made of silicone. The NDP50GR/SW is mounted using an EFM flange and has a mechanical lifespan of at least 1,000,000 switching cycles. With an actuation travel of 5 mm and an actuation force of approximately 2 N, it provides reliable and comfortable operation.

The pushbutton can accommodate up to three contact elements, making it versatile for various control applications. Thanks to the membrane and lip seals, it offers excellent protection against liquids, dust, and other contaminants. The NDP50GR/SW complies with international safety standards EN IEC 60947-5-1 and EN IEC 60947-1.

Technical Data (English):

Product Type Designation:

• NDP50GR/SW

Item Number (Order Number):

• 101163579

EAN (European Article Number):

• 4030661466514

eCl@ss Number:

• Version 12.0: 27-37-12-12
• Version 11.0: 27-37-12-12
• Version 9.0: 27-37-12-12

ETIM Number:

• Version 7.0: EC001038
• Version 6.0: EC001038

Approvals:

• cULus
• Hygiene Approved

General Data:

• Standards: EN IEC 60947-5-1, EN IEC 60947-1
• Design: Mushroom-Head Pushbutton
• Shape: Large
• Mounting Conditions: Any Position
• Sealing Type: Membrane, Lip Seals
• Actuator Material: ABS
• Bezel Material: Chrome-Plated ABS
• Seal Bellow Material: Silicone
• Actuator Color: Black
• Bezel Color: Silver
• Seal Bellow Color: Black
• Gross Weight: 50 g

Features:

• Mounting Flange: Yes
• Full Insulation: Yes
• Maximum Number of Contact Elements: 3

Mechanical Data:

• Mechanical Lifetime: Min. 1,000,000 Switching Cycles
• Actuation Travel: 5 mm
• Actuation Force: Approx. 2 N
• Mounting Type: EFM Flange
• Tightening Torque: 0.6 Nm

Dimensions:

• Height: 45 mm
• Installation Depth: Depth behind front plate incl. one contact element
• Actuator Head Diameter: 50 mm
• Installation Diameter: 22.3 mm
• Front Panel Thickness: Min. 1.5 mm, Max. 6 mm
• Grid Dimension: 50 x 50 mm

Environmental Conditions:

• Protection Rating: IP67, IP69K
• Operating Temperature: -25 ... +80 °C
• Shock Resistance: 30 g / 18 ms
• Vibration Resistance: 20 g / 10 ... 150 Hz

Electrical Data:

• Maximum Switching Frequency: 1,000/h