The Marantec STA 1-11-24 FU 80 is a high-performance industrial sectional door drive with integrated frequency inverter control. Designed for smooth, efficient, and precise operation, it is ideal for demanding commercial and industrial door applications.

General

• Series: STA 1 FU/I (frequency converter version)
• Model: STA 1-11-24 FU 80
• Application: Spring-balanced sectional doors
• Mounting: Shaft-mounted (direct drive)
• Control system: External (e.g. CS 320 FU)

Electrical specifications

• Supply voltage: 230 V AC (single-phase with frequency converter)
• Generated motor supply: 3-phase (via integrated frequency converter)
• Frequency: 50 Hz
• Control voltage: 24 V DC

Mechanical specifications

• Output torque: 110 Nm
• Output speed: 24 rpm
• Hollow shaft diameter: 25.4 mm (standard)
• Gear system: Worm gear with double-bearing shaft

Door capability

• Max door area:
  • ~20 m² (high frequency / higher speed)
  • ~30 m² (standard operation)

Performance

• Opening cycles per hour:
  • ~20 cycles (standard)
  • ~30 cycles (HD variants)
• Variable speed control: Yes (via frequency converter)
• Soft start / soft stop: Yes

Limit & control system

• Limit system: Digital limit switch (AWG encoder)
• Control unit compatibility: CS 320 FU (programmable)
• Adjustable parameters:
  • Opening speed
  • Closing speed
  • Ramp (acceleration/deceleration)

Construction & features

• Housing: Die-cast aluminium
• Emergency operation options:
  • Hand chain (KE)
  • Emergency release (E / E-KE)
• Thermal protection: Integrated in motor windings
• Frequency converter: Integrated (FU version)

Key specs summary

•  Voltage: 230 V AC (1-phase, with inverter)
•  Motor supply: Generated 3-phase
•  Torque: 110 Nm
•  Speed: 24 rpm (variable)
•  Shaft: 25.4 mm hollow shaft
•  Door capacity: 20–30 m²
•  Duty: up to 30 cycles/hour
•  Limits: Digital (AWG encoder)
•  Features: Soft start/stop, variable speed