Series 7L FM Approved High Limit Controls

Brand: Future Design Controls

Future Design’s Series “7L” Hi-Limit combination surface or DIN rail mount FM Approved controller designed to provide hi-limit protection to process applications.

Setup is accomplished simply by adjusting the set point knob by hand.

A “SPDT” 5 amp latching relay is provided and must be manually reset each time the unit exceeds the limit set point.

Compact and simple, the Series “7L” offers several dual F/C temperature ranges to satisfy customer needs.
  • DIN Rail or Surface Mount
  • Compact - Simple - Reliable Design
  • Easy to Use
  • Remote Reset Digital Event Input
  • Dual F / C Temperature Ranges
  • Output: 5A Form C Relay (SPDT)
  • Low Voltage Power Input available



  • 115 Vac
  • 24 Vac
  • 24 Vdc


  • Thermocouple: Type J, K, T
  • RTD: Platinum

Limit Output

  • SPDT Relay rated at 5A resistive

Control Stability

  • Typically less than ± 5 microvolts per degree F and 0.01 % of Span per % rated line voltage

Setpoint Accuracy

  • ± 1 % of Full Scale Max. at 25C and rated line voltage

Agency Approvals

  • UL
  • cUL
  • FM

Operating Temperature

  • 0° C to 60° C

  • Oven - Furnaces - Kilns
  • Environmental Chambers
  • Sterilizers / Autoclaves
  • Food Service Equipment
  • Hot Plates / Melt Pots
  • Applications requiring a Limit Device
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