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Siemens 3SB3644-6BA40 - 22mm Green LED Indicator Light

Siemens
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Siemens 3SB3644-6BA40 is a 22mm round metal indicator light designed for visual signaling in motor control and industrial control panel applications. This unit operates on AC/DC 24V power and features an integrated LED for reliable illumination. The indicator light is constructed with a metal holder, has a green lens with concentric rings, and is designed for front mounting with screw-type terminals for secure electrical connections. It offers an IP67 protection rating, ensuring resistance to dust and water ingress, and is built to withstand demanding environmental conditions with an operating temperature range of -25°C to +70°C and vibration resistance of 20–200 Hz at 5g. This device is typically used in motor control centers, industrial machinery, and automation systems for clear status indication.

Key Features & Specifications
  • Type: Indicator Light
  • Manufacturer: Siemens
  • Item Subcategory: Motor Control Part And Accessory
  • Weight: 0.143 lb
  • Part Number: 3SB3644-6BA40
  • Enclosure Shape: Round
  • Enclosure Material: Metal
  • Lens Color: Green
  • Mounting Type: Front Mounting
  • Installation Diameter: 22 mm
  • Mounting Height: 11 mm
  • Operating Voltage: AC/DC 24V
  • Protection Class: IP67
  • Ambient Temperature: -25°C to +70°C (operating)
  • Electrical Connection: Screw-type terminals
  • Light Source: Integrated LED
  • Number of Lampholders: 1
  • Number of Switching Elements: 0
  • Number of Auxiliary Contacts: 0
  • Vibration Resistance: 20–200 Hz, 5g
  • Climatic Class: 3K6