EWA 52.2505 Electric drive 250 Nm 4,4 rpm We06 400 V

• Type: EWA 52.2505 – Electric drive with worm gear
• Model number: 12528.2505.1205
• Torque: 250 Nm
• Speed: 4.4 rpm
• Voltage: 400 V, 3-phase, 50 Hz
• Power: 0.52 kW
• Current draw: 1.20 A
• Weight: 27.7 kg
• Design: We06
• Protection class: IP55
• Duty cycle: S3–40% (intermittent)
• Temperature range: –5 °C to +60 °C
• Limit switch: END20.20
• Application: Ventilation and shading systems in greenhouses

The Lock EWA 52.2505, model number 12528.2505.1206, is a powerful and durable electric drive unit designed for demanding applications in greenhouse ventilation and shading systems. With a torque of 250 Nm and a controlled speed of 4.4 rpm, it ensures precise and reliable motion control—even under heavy loads.

Its self-locking double worm gear provides secure positioning without the need for additional braking mechanisms. The compact We06 design allows for flexible integration into existing setups, while the IP55 protection rating ensures safe operation in humid or dusty environments. The S3–40% duty cycle makes it ideal for cyclical movement patterns typical in greenhouse automation.

This maintenance-free drive is engineered for maximum service life, minimal downtime, and high operational safety—making it a trusted solution for professional greenhouse control systems.

Note: This gear motor replaces the Lock EWA 52.2505 (12528.2505.1206).