Gefran GTT-60/480-1 is a single-phase solid state relay rated for 60A at 480VAC, designed for analog control of industrial heating loads. It features zero-crossing switching and dynamic power modulation.

• Type: Single-phase solid state relay (SSR)
• Series: GTT
• Current Rating: 60 A
• Load Voltage Range: 24–480 VAC
• Control Input Options:
  • 0–10 VDC
  • 0–20 mA or 4–20 mA
  • Potentiometer 
• Switching Type: Zero-crossing (ZC)
• Power Modulation: Wave train partialization with dynamically optimized cycle time
• Isolation: 4000 V between input and output circuits
• Protection Features:
  • MOV (varistor) for overvoltage protection
  • Optional interrupted load monitoring
• Indicators:
  • LED for power supply
  • LED for ON state
  • Optional LED for load alarm
• Mounting: DIN rail (standard) or panel mount (optional)