Features
• New WFD30-2EXP models install in 2˝ hole sizes
• Designed and approved to operate in hazardous locations
• NEMA 4 enclosure rating
• Sensitivity-setting spring mechanism located outside of explosion
   environment
• Sealed retard mechanism
• Visual switch activation
• Synchronized activation circuit
• Field-replaceable terminal block and retard mechanism
• Only one conduit entrance required for hook-up