The Fisher Pierce FPN7790B is a turn-lock photocontrol switch designed for outdoor lighting applications, offering automatic on/off functionality based on ambient light levels.

 Key Specifications 

• Control Type: Photocontrol
• Mounting Style: Turn-Lock
• Voltage Range: 105–285 VAC
• Tungsten Load Rating: 1000 W
• Ballast Load Rating: 1800 VA
• Response Time: Instant On/Off
• Turn-On/Off Light Levels:
  • Turn-On: 1.0 foot-candle (nominal)
  • Turn-Off: 3.0 foot-candle (average)
• Material: Polypropylene housing with ABS base
• Color: Dark Blue
• Arrester Type: Open-Type Expulsion
• Operating Temperature: –40 to +158F 
• Sensor Type: Cadmium Sulfide Cell
• Minimum Operating Cycles: 5000 (approx. 13.7 years of service)
• Surge Protection: 160 Joules