Description
Product Overview
The KZU roll‑up motor (model KNI935) is engineered for greenhouse and cold‑frame ventilation. Constructed from high‑grade aluminum alloy with an anti‑rust coating, the motor resists corrosion in humid environments. It delivers 70Nm of torque at 100W, providing smooth, reliable opening and closing of ventilation panels. Precise limit switches feature a clear scale, automatically stopping the motor when the pointer reaches zero, ensuring exact positioning every time. Overload protection activates when the load exceeds 1.5 times the rated value, pausing operation for 5‑6 minutes before a safe restart. The package includes two connecting sleeves and optional plastic gaskets for 22 mm and 25 mm pipe diameters, enhancing compatibility across various greenhouse setups.
Usage
Designed for commercial growers, hobbyist gardeners, and greenhouse enthusiasts, this motor excels in regulating temperature, humidity, and airflow. Install it on ventilation windows, roof vents, or cold‑frame lids to automate climate control. Its robust torque handles larger panels, while the lightweight design simplifies mounting on metal or wooden frames. Ideal for seasonal crops, seedling propagation, and year‑round greenhouse operations, the motor reduces manual labor and improves plant health by maintaining optimal growing conditions. 
Why Choose Us
KZU combines engineering precision with durable materials, offering a motor that stands up to the demanding conditions of horticulture. The anti‑rust aluminum alloy extends service life, and the built‑in overload protection prevents damage from wind gusts or debris. Our motors are tested for consistent performance, and the included accessories ensure a hassle‑free installation. Backed by a reputable manufacturer with a track record in patio and garden equipment, KZU provides reliable support and warranty coverage for peace of mind.
Key Features
- Aluminum alloy body with anti‑rust coating for long‑term durability
- Powerful 70Nm torque and 100W output for smooth operation of large vents
- Precise limit switches with clear scale for exact positioning
- Overload protection activates at 1.5× rated load, pausing for safe restart
- Includes two sleeves and optional gaskets for 22 mm and 25 mm pipe compatibility
FAQ
What size vents can this motor operate?
The motor is compatible with vent panels up to 25 mm in pipe diameter using the supplied sleeves and optional gaskets, making it suitable for most standard greenhouse ventilation systems.
How does the overload protection work?
If the motor detects a load 1.5 times greater than its rated capacity, it automatically shuts down for 5‑6 minutes to cool and prevent damage, after which it can be safely restarted.
Is the motor suitable for outdoor installation?
Yes, the aluminum alloy housing with anti‑rust coating is designed to withstand moisture, UV exposure, and temperature fluctuations typical of outdoor greenhouse environments.
Can the motor be integrated with an automatic control system?
Absolutely. The motor’s clear scale limit switches can be connected to thermostats or timers for fully automated climate control.
What warranty does KZU provide?
KZU offers a one‑year limited warranty covering manufacturing defects and performance issues under normal usage conditions.
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