The Dynalco SW-50 is a robust speed switch and transmitter designed for engine overspeed protection. It features flexibility in programming and ensures reliable operation in demanding industrial environments. With two configurable relay setpoints, the SW-50 offers reliable safety measures for engines, machinery, or equipment that require strict speed monitoring.

Technical Specifications

• Temperature Range (Storage & Operation):
  • -40°C to +85°C (-40°F to +185°F)
• Vibration Resistance:
  • MIL STD 810C, Method 514.2, Curve P, Procedure V
  • MIL STD 202F, Method 201A (10–55Hz, continuous displacement of 0.06 inches P-P)
• Humidity Resistance:
  • SAE J1211, paragraph 4.2.3., fig. 3A (95% relative humidity at +66°C (+150°F))
• Dust Resistance:
  • MIL STD 810C, Method 510.1, Procedure 1, Steps 1, 4, 5, and 6
  • 1750 ft/min velocity; 0.3g/ft³ density; <176 micrometers average particle size
• Sealing:
  • Watertight integrity maintained with easy-to-open and reseal case
  • O-ring sealed access holes for setpoint adjustments
  • Complies with NEMA Standard 250, types 4, 12, and 13