Dwyer

Level Switches

Model: HF660

Mfr. Model No.: F7-SB

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Sold as: Each

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Ships in 3-4 weeks

Shipping times are based on information available at the time of order and are subject to change.

  • Operating Temperature: 220°F (105°C)
  • Float Material: Buna-N and Epoxy
  • Stem Material: 316 Stainless Steel
  • Max. Temp: 220°F (105°C)
  • Max Pressure: 150 PSIG (10 bar)
  • Min Sp. Gr.: 0.6
  • Deadband: 1/16" (2 mm)
  • Hermetically sealed reed switch contacts are actuated by magnets bonded inside the float
  • Change from normally open (N.O.) to normally closed (N.C.) contacts in 10 seconds or less by reversing the orientation of the float on the stem
  • Switch contact ratings are suitable for direct connection to most solid state control systems and alarm/monitoring devices
  • Simple relay interfaces can be employed for higher current control applications
  • Switch mounts easily at the top, bottom or intermediate levels in tanks and vessels
  • Mounts directly in a 1/8" NPT fitting for interior mounting
  • Where exterior mounting or access is required, special adapters are available as option
  • To mount at intermediate levels, combine fittings shown with any length of pipe
  • Electrical Ratings: Model HF660: AC - 25 VA, 1.0 A, 200 V; DC - 10W, 1.0 A, 200 V