SQUARE D TUB4 Limit Switch

The SQUARE D TUB4 is a durable industrial limit switch from the D series, built with a cast zinc body and designed to handle demanding electrical applications. With high electrical ratings and an IP66 protection class, it ensures reliable operation in harsh environments.

Manufacturer: SQUARE D
Type: Limit Switch
Model: TUB4
Part No.: 1811
Series: D

Technical Information

• Rated Voltage Max.: 600 V AC/DC
• Rated Current: 20 A
• Contact Configuration: AC SPST / DC SPDT
• Electrical Ratings:
  • 120VAC: 150A (Make), 20A (Break)
  • 240VAC: 75A (Make), 12.5A (Break)
  • 480VAC: 37.5A (Make), 6.25A (Break)
  • 600VAC: 30A (Make), 5A (Break)
  • 125VDC: 5.0A (Make/Break)
  • 250VDC: 1.0A (Make/Break)
  • 600VDC: 0.2A (Make/Break)
• Body Material: Cast Zinc
• Protection Class: IP66