Application: Connects the chain wheel of RW45 gear motors to the drive shaft Tube size: 1″ Material: Galvanized steel Mounting: Bolted design with pre-punched receptacle for easy installation Features: Duplex chain allows axial movement of the shaft for greater flexibility The Bolted chain coupling for RW45 – 1″ tube provides a flexible and secure connection between the gear motor and the drive shaft. Its bolted design simplifies installation compared to welding, and the duplex chain compensates for misalignment caused by structural movement.

Application: Precise end-position control for Ridder RW gear motors Function: Linear switching system driven mechanically by the motor’s output shaft Compatibility: For RW motors with 55, 86, 97, or 860 turns between start and end position Installation: Mounted directly on the gear motor Special feature: High switching accuracy and robust design for continuous greenhouse use Ridder Article No.: 501090 The RSU 90 Limit Switch System enables precise control of opening and closing positions in greenhouse ventilation, shading, and lifting systems. It is mechanically driven by the motor shaft and supports up to 860 revolutions depending on the motor type. Ideal for automated climate control.

Application: End-position control for Ridder RW gear motors Function: Linear switching system driven by the motor’s output shaft Compatibility: For RW motors with 55, 86, 97, or 860 turns between start and end position Installation: Direct mounting on the gear motor Special feature: Compact design with high switching precision Ridder Article No.: 501094 The RSU 50 Limit Switch System is a compact and robust solution for controlling the end positions of RW gear motors. It ensures accurate movement limits and is ideal for use in greenhouse ventilation and shading systems.

Application: Angled mounting plate for RW45, RW240, RW400, RW600, and RAL120/90/60/240 gear motors Material: Galvanized steel Mounting: Bolt-on or weld-on installation Special feature: Custom lengths available on request Height: 90 mm Ridder Article No.: 417636 The Mounting Plate 85–105 H90 is a versatile angled plate for a wide range of Ridder gear motors. It offers flexible mounting options and high corrosion resistance, making it suitable for demanding greenhouse environments.

Application: Drive unit for rafter rail systems in greenhouse ventilation Material: Galvanized steel for strength and corrosion protection Installation height: 60 mm (from rack center to top of rafter) Mounting: M10 bolt and locknut connection Features: Hardened pinion, grease nipples, guiding blocks for precise rack alignment Weld shaft compatibility: Flat shaft ends for easy coupling Ridder Article No.: 540000 The TRN 520-3S-H60 pinion house unit offers a reliable and low-maintenance solution for greenhouse drive systems. Its increased height allows for flexible mounting, and it ensures smooth rack movement with minimal wear.

Application: Connects the chain wheel of RW240–RW800 gear motors to the drive shaft Tube size: 1″ Material: Galvanized steel Mounting: Bolted design with pre-punched receptacle for easy installation Features: Duplex chain allows axial movement of the shaft for greater flexibility The Bolted chain coupling for RW240/400/600/800 – 1″ tube is a robust connector for high-torque Ridder gear motors. It ensures a flexible and secure connection to the drive shaft, compensating for misalignment and structural shifts in greenhouse systems.

Application: Digital positioning sensor for Ridder RW gear motors Signal output: 4–20 mA (also configurable to 0–5 V or 0–10 V) Technology: Contactless Hall sensor with magnetic axis Accuracy: ±0.04% of the learned measuring range Compatibility: All RW motors with RSU limit switch system Features: Reverse-polarity protection, LED status display, reference input Ridder Article No.: 502687 The RPU 24V / 4–20 mA / V3 is a high-precision digital positioning unit for Ridder RW motors. It continuously reports the motor position to a climate controller and is ideal for ventilation, shading, and lifting systems. Its contactless design ensures maintenance-free operation and long-term reliability.

Application: Drive unit for ventilation and screen systems in greenhouses or barns Voltage: 400–450 V, 3~, 50 Hz Speed: 3 rpm Limit switch: Integrated linear limit switch system with a 97-turn operating range Features: Self-locking worm gear for secure shaft position at standstill Quiet operation due to optimized gear combinations Maintenance-free and compact design Optional RPU PositioningUnit or potentiometer feedback Graphite-grey powder coating Ridder Article No.: 502010 The RW 45-3 / 400–450 V is a compact and maintenance-free gear motor for greenhouse ventilation and shading systems. It features a self-locking worm gear, a precise linear limit switch system, and optional feedback integration for climate control systems.

Application: Low-maintenance drive unit for rafter rail systems in greenhouses Material: Galvanized steel for high durability and corrosion resistance Installation height: 40 mm (from rack center to top of rafter) Mounting: M10 bolt and locknut connection Features: Hardened pinion, integrated grease nipples, guiding blocks for rack stability Output force: Up to 5200 N Ridder Article No.: 540100 The TRN 520-3S-H40 pinion house unit is a compact and robust drive solution for greenhouse ventilation. It ensures precise rack movement and long service life, even under demanding conditions. Compatible with Ridder RW gear motors.

Application: Drive unit for horizontal shading systems in greenhouses Torque: 250 Nm Voltage: 400 V, 3~, 50 Hz Speed: 4.4 rpm Power: 0.30 kW Current: 1.10 A Shaft: Type 06 Limit switch: Precision gear limit switch END 20 for 580 shaft revolutions Features: Extremely quiet, self-locking double worm gear Maintenance-free and long-lasting Universal mounting: rear (standard) or optionally left-side (symmetrical) Wiring via 7-core cable The Lock EWA 12.2505 is a powerful gear motor designed for professional use in greenhouse shading systems. Its self-locking double worm gear ensures quiet and reliable movement of the screens. With flexible mounting options and an integrated precision limit switch, it offers versatile and user-friendly installation.

Application: Connects the chain wheel of the RW 45 gearbox to the drive shaft Material: Galvanized steel Design: Welded to the shaft - duplex chain for inline movement Benefit: Increases flexibility of the drive system under dynamic loads and structural movement Ridder Article No.: 590000 The Chain Coupling for RW 45 – Tube Ø 1″ connects the gearbox chain wheel to the drive shaft and enhances system flexibility. The duplex chain allows for inline movement, reducing stress during dynamic operation and structural shifts in greenhouse installations.

Application: Straight mounting plate for RW240/400/600/200 gear motors, RPG150/300/450 PolyGearbox units, RPD150/300/450 PolyDrive motor gearboxes, and RAL240 gear motors Material: Galvanized or bare steel for high stability and corrosion resistance Mounting: Can be attached using bolts or welding Total length: 175.5 mm Length B1 (edge to center of hole): 163 mm Special feature: Custom lengths or configurations available on request Ridder Article No.: 413922 The Mounting Plate 105-130 B163 is a straight steel mounting plate specifically designed for RW240/400/600/200 gear motors, RPG PolyGearbox units, RPD PolyDrive motor gearboxes, and RAL240 gear motors. It ensures secure and stable installation and can be either bolted or welded into place. Thanks to its galvanized or untreated steel construction, the plate offers excellent resistance to corrosion and mechanical stress. Custom lengths or special versions are available on request to ensure optimal compatibility with various systems.

Application: Maintenance-free drive for ventilation, shading, and lifting systems in greenhouses and livestock buildings Voltage: 400–450 V, 3-phase Speed: 5 rpm Protection class: IP55 – dust and water resistant End switch: Patented linear limit switch system with high switching accuracy Temperature range: 0–60 °C Features: Quiet operation, self-locking worm gear, optional RPU PositioningUnit or potentiometer kit Ridder Article No.: 502320 The RW245-37 motor gearbox is a rugged, low-maintenance drive unit designed for greenhouse automation. Its precise limit switch system and quiet, self-locking transmission ensure reliable performance in demanding environments.

Application: Drive unit for ventilation, screen, and lifting systems in greenhouses and barns Voltage: 400 V, 3~, 50 Hz Switching range: Integrated linear limit switch system with a switching range of 86 turns Protection class: IP55 – dust and water jet resistant Limit switch: Patented linear limit switch system with high switching precision Features: Self-locking worm gear for secure shaft position at standstill Maintenance-free and compact design Suitable for ambient temperatures from 0–60 °C Optional: RPU PositioningUnit or potentiometer feedback Ridder Article No.: 537200 The RW 241-09 / 400 V is a compact, maintenance-free gear motor for greenhouse ventilation, shading, and lifting systems. Its IP55 protection and self-locking worm gear ensure safe operation even in demanding environments. The integrated linear limit switch system allows precise control over up to 86 shaft revolutions.

Application: Drive unit for horizontal shading systems in greenhouses Torque: 50 Nm Voltage: 400 V, 3~, 50 Hz Speed: 5.6 revolutions per minute Power: 0.11 kW Current: 0.45 A Shaft: Type 06 Limit switch: Precision gear limit switch END 20 for 580 shaft revolutions Features: Extremely quiet, self-locking double worm gear Maintenance-free and long-lasting Universal mounting: rear (standard) or optionally left-side (symmetrical) Wiring via 7-core cable The Lock EWA 10.0505 is a compact and efficient gear motor for horizontal shading systems. With 50 Nm torque and a quiet, self-locking double worm gear, it ensures precise and reliable screen movement. The integrated limit switch and flexible mounting options make it ideal for small to medium greenhouse installations.

Application: Drive unit for horizontal shading systems in greenhouses Torque: 250 Nm Voltage: 400 V, 3~, 50 Hz Speed: 4.4 revolutions per minute Power: 0.30 kW Current: 1.10 A Shaft: Type 66 (hexagonal) Limit switch: Precision gear limit switch END 20 for 580 shaft revolutions Features: Extremely quiet, self-locking double worm gear Maintenance-free and long-lasting Universal mounting: rear (standard) or optionally left-side (symmetrical) Wiring via 7-core cable The Lock EWA 12.2505 is a powerful gear motor specifically designed for horizontal shading systems in greenhouses. With 250 Nm torque and a speed of 4.4 rpm, it ensures precise and reliable control of screen movement. Its extremely quiet, self-locking double worm gear offers long service life without maintenance. The integrated precision gear limit switch END 20 enables accurate control with up to 580 shaft revolutions. Thanks to universal mounting options, the motor can be installed at the rear or optionally on the left side, making it adaptable to various system configurations.

Application: Drive unit for ventilation, shading, and lifting systems in greenhouses or livestock buildings Voltage: 400–450 V, 3-phase Speed: 5 rpm Protection class: IP55 – sealed housing with linear limit switch system End switch: Patented linear system with operating and safety switches (adjustable up to 86 turns) Features: Self-locking worm gear, quiet operation, graphite-grey powder coating Optional: RPU PositioningUnit or potentiometer feedback kit Ridder Article No.: 502220 The RW405 motor gearbox is a compact and maintenance-free drive unit for greenhouse automation. Its precise switching system and robust construction ensure long-term reliability in demanding environments.

Application: Drive unit for horizontal shading systems in greenhouses Torque: 150 Nm Voltage: 400 V, 3~, 50 Hz Speed: 4.3 rpm Power: 0.17 kW Current: 0.90 A Shaft: Type 66 (hexagonal) Limit switch: Precision gear limit switch END 20 for 580 shaft revolutions Features: Extremely quiet, self-locking double worm gear Maintenance-free and long-lasting Universal mounting: rear (standard) or optionally left-side (symmetrical) Wiring via 7-core cable The Lock EWA 12.1505 is a compact and efficient gear motor for horizontal shading systems. It combines quiet operation with high reliability and flexible mounting options. The integrated limit switch ensures precise control, making it ideal for small to medium greenhouse installations.

Application: Drive unit for ventilation, screen, and lifting systems in greenhouses and barns Voltage: 110–115 V, 1~, 50/60 Hz Limit switch: Patented linear limit switch system with operating and safety switches Switching range: Integrated linear limit switch system with a switching range of 86 turns Features: Self-locking worm gear for secure shaft position at standstill Quiet operation through optimized gear and worm combinations IP55 housing with sealed limit switch system Graphite-grey powder coating for high corrosion resistance Includes mounting bolts and spring washers Ridder Article No.: 502351 The RW 245-37 / 110–115 V is a powerful and maintenance-free gear motor for greenhouse applications. Its patented linear limit switch system allows precise control, and the self-locking worm gear ensures safety and reliability. Ideal for ventilation, shading, and lifting systems.

Application: Drive unit for horizontal shading and ventilation systems Voltage: 400 V, 3~, 50 Hz Switching range: Integrated linear limit switch system with a switching range of 86 turns Limit switch: Integrated linear limit switch system Features: Self-locking worm gear for secure shaft position at standstill Quiet and compact design Delivered with pre-installed chain wheel for chain coupling Optional: RPU PositioningUnit or potentiometer feedback Ridder Article No.: 502000 The RW 45-1-09 / 400 V is a three-phase gear motor for greenhouse shading and ventilation. It combines quiet operation with robust performance and is equipped with a linear limit switch system for precise control. The pre-installed chain wheel simplifies integration into existing systems.

Application: Connects the chain wheel of Ridder RW240, RW400, RW600, or RW800 motors to the drive shaft Material: Galvanized steel Design: Welded to the shaft - duplex chain for inline movement Benefit: Stabilizes the drive system under dynamic loads and greenhouse movement Ridder Article No.: 590011 The Chain Coupling for RW240 / RW400 / RW600 / RW800 – Tube Ø 1″–2″ is a robust duplex chain coupling that ensures smooth torque transfer and compensates for misalignment or movement in large greenhouse structures. It is welded to the shaft and designed for high flexibility and durability.

Application: Drive unit for ventilation, shading, and lifting systems in greenhouses or livestock buildings Voltage: 400–450 V, 3-phase Speed: 3 rpm Protection class: IP55 – sealed housing with linear limit switch system End switch: Built-in linear system with operating and safety switches (max. 86 turns) Features: Self-locking worm gear, quiet operation, graphite-grey powder coating Optional: RPU PositioningUnit or potentiometer feedback kit Ridder Article No.: 502210 The RW403 motor gearbox is a reliable and quiet drive solution for greenhouse systems. Its integrated switching system ensures precise control and long service life.

Application: Drive unit for horizontal shading systems Torque: 600 Nm Speed: 4.4 rpm Voltage: 400 V, 3~, 50 Hz Power: 0.80 kW Current: 2.80 A Shaft: Hexagonal 66 mm Features: Extremely quiet, self-locking double worm gear - maintenance-free Mounting: Universal mounting via standard base (removable feet) - rear or optionally left-side (symmetrical) Limit switch: Integrated precision gear limit switch END 20 for 580 shaft revolutions (micro switch cURus) Wiring: Use 7-core cable The Lock EWA 14.6005 is a powerful and quiet gear motor designed for horizontal shading systems. Its self-locking double worm gear ensures long service life without maintenance. The motor features flexible mounting options and a built-in precision limit switch for accurate positioning. Ideal for demanding greenhouse applications.

Application: Drive unit for horizontal shading systems in greenhouses Torque: 150 Nm Voltage: 400 V, 3~, 50 Hz Speed: 4.3 rpm Power: 0.17 kW Current: 0.90 A Shaft: Type 06 Limit switch: Precision gear limit switch END 20 for 580 shaft revolutions Features: Extremely quiet, self-locking double worm gear Maintenance-free and long-lasting Universal mounting: rear (standard) or optionally left-side (symmetrical) Wiring via 7-core cable The Lock EWA 12.1505 with shaft type 06 offers the same performance and reliability as its hexagonal counterpart, but with a different shaft interface. It’s ideal for horizontal shading systems requiring compact, quiet, and precise motor control.