The Marantec STAW 1-7-19 25 is a compact industrial sectional door drive designed for light to medium-duty applications. It offers reliable performance and efficient operation for smaller commercial and industrial door systems.

General

• Series: STA 1 / STAW 1
• Model: STAW 1-7-19
• Application: Spring-balanced sectional doors
• Mounting: Shaft-mounted operator (direct drive)
• Control type: Integrated or external (variant-dependent)

Electrical specifications

• Supply voltage: 230 V AC (single-phase)
• Frequency: 50 Hz
• Motor power: 0.37 kW
• Control voltage: 24 V DC
• Nominal current: ~6.2 A

Mechanical specifications

• Drive torque: 70 Nm
• Static holding torque: 600 Nm
• Output speed: 19 rpm
• Hollow shaft diameter: 25.4 mm
• Max shaft revolutions (limit range): 20

Door capability

• Max door area: ~20 m²
• Max door weight: ~260 kg

Performance

• Duty cycle: ~25% (low-frequency use)
• Max cycles per hour: ~8
• Operating temperature: −20 °C to +60 °C
• Protection rating: IP54
• Noise level: <70 dB(A)

Construction & features

• Housing: Aluminium die-cast
• Gear system: Worm gear with dual bearing
• Limit system: Digital limit switch (AWG)
• Emergency operation:
  • Hand chain / gear release options
• Thermal protection: Integrated in motor windings

Key specs summary

•  Voltage: 230 V AC (1-phase)
•  Power: 0.37 kW
•  Torque: 70 Nm
•  Speed: 19 rpm
•  Shaft: 25.4 mm hollow shaft
•  Door capacity: ~260 kg / 20 m²
•  Limit system: Digital (AWG encoder)
•  Duty: 25% (~8 cycles/hour)
•  Protection: IP54