366-D2 Robertshaw

Robertshaw 366-D-2 Vibraswitch® Malfunction Detector

DPDT Contacts | 24 VDC Remote Reset Coil | NEMA 4 | CSA Certified

The Robertshaw 366-D-2 is a rugged and reliable Vibraswitch® malfunction detector designed to provide immediate protection for critical rotating or reciprocating equipment—including large motors, pumps, compressors, and fans. By detecting abnormal vibration and shock conditions at the moment they occur, the 366-D-2 helps prevent costly damage and unplanned downtime.

This model features DPDT (Double Pole Double Throw) output contacts and a 24 VDC electric remote reset coil, offering versatile integration into modern control and monitoring systems. Its NEMA 4-rated enclosure ensures durability in harsh environments, and it is fully CSA certified for safety compliance.

🔧 Key Features:

• Acceleration-Sensitive Detection: Measures total destructive shock and vibration to signal mechanical failures instantly

• Contact Options: Available in SPDT or DPDT configurations for flexible system design

• Adjustable Sensitivity: Set-point adjustable from 0G to 4.5G, allowing precise calibration for various applications

• Reset Capabilities:
  • Local reset via manual switch
  • Electric remote reset via 24 VDC coil (model 366-D-2)

• Durable Construction:
  • NEMA 4 Enclosure – weatherproof for industrial environments
  • CSA Certified – meets industry standards for safety and performance

• Optional Space Heater: Prevents condensation in humid or variable temperature environments

🛠️ Applications Include:

• Motors & Motor Starters

• Pumps (centrifugal, diaphragm, piston)

• Industrial Compressors

• Generators

• Material Handling Equipment

• Fans and Blowers

The Robertshaw 366-D-2 Vibraswitch is a trusted solution for safeguarding essential equipment, reducing repair costs, and ensuring operational continuity in demanding industrial settings.