Jump to Navigation

McDonnell Miller Series FS7-4E Explosion Proof Industrial Liquid Flow Switches

Explosion Proof Industrial Liquid Flow Switches
Series FS7-4E

• For hazardous environment applications requiring a NEMA 7 (Class I, Group C or D) or NEMA 9 Class II, Group E, F, or G) rated flow switch

• 1¼” NPT
• Brass with sealed tube construction
• Single pole, double throw snap switch
• Magnetic switching mechanism
• Sensitivity adjusting screw makes flow adjustment easy
• Paddles can be trimmed to suit application needs
• Optional features
  – Extended paddle arm
  – Stainless steel body and paddles
  – BSPT threads
• Minimum temperature (fluid or ambient) 32°F (0°C)
• Maximum temperature 300°F (149°C)
• Maximum operating pressure300 psi (21 kg/cm²)1000 psi (70 kg/cm²) – Stainless Steel models

Select a link under the "item" tab below to order.

Cat #DescriptionsPart NumberWeight Ibs.(kg)
FS7- 4EFS7-4 w/NEMA 7 & 9 enclosure12010012.3 ( 5.6)
Motor Switch Rating (Amperes)
Voltage Full Load Locked Rotor Pilot Duty
120 VAC 7.4 44.4 125 VA at 120 or 240 VAC 50 or 60 cycles
240 VAC 3.7 22.2 125 VA at 120 or 240 VAC 50 or 60 cycles


Main menu 2

about seo