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Elma Rotary Collet Knob for use with Rotary Switch 020-4520
Specifications
| Country of Origin | India |
|---|---|
| Brand | Elma |
| Colour | Black |
| Model | 020-4520 |
| For Use With | Rotary Switch |
| Standards/Approvals | RoHS |
Key Features
- The knob is available in black color suitable for various rotary switch applications.
- It utilizes Elma’s proven collet tightening method for reliable shaft fixing.
- The tightening elements are concealed by nut covers, providing a neat appearance.
- Compatible with multiple shaft diameters including 9mm, 10mm, 14.5mm, and 21mm options.
- Available with or without wings and with or without a white line for enhanced functionality.
- The knob meets RoHS compliance standards ensuring safety and environmental compliance.
Product Description
Elma 020-4520 Rotary Collet Knob is a precision accessory designed for secure and reliable mounting on rotary switches widely used in electrical, automation, and industrial control systems. This knob features a classic collet design available in multiple diameters - 9mm, 10mm, 14.5mm, and 21mm - to accommodate various shaft sizes. It is manufactured in black color and offers design variations with or without wings and optional white line markings to enhance user interface clarity.
The collet tightening mechanism ensures a firm grip on the shaft, while the nut covers conceal the tightening elements, thus providing a clean and professional finish. Elma’s robust collet fastening method prevents knob slippage and ensures consistent operational reliability in demanding industrial environments. The knob is RoHS compliant, ensuring it meets international environmental safety regulations.
This rotary collet knob is ideally suited for industrial automation equipment, control panels, instrumentation, and other electrical switch-based applications requiring durable and ergonomic actuator controls. It supports maintenance and assembly ease with its proven mounting technology.
The knob is available in multiple diameter sizes for versatile application. Secure collet tightening ensures stable shaft mounting. Black color with options for winged or wingless designs. Concealed tightening elements under nut covers for aesthetics and protection.
Compliance with RoHS standards guarantees environmental safety. Ideal for use in industrial, automation, and electrical switch assemblies.
Choose Elma Rotary Collet Knob 020-4520 for reliable switch actuator control with professional finishing and high operational safety. Explore more products in our Rotary Switch Knobs category for complete control system solutions.
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Frequently Asked Questions
The knob is available in black color.
It is compatible with multiple shaft diameters including 9mm, 10mm, 14.5mm, and 21mm.
It utilizes Elma’s proven collet tightening method for reliable shaft fixing, ensuring a firm grip on the shaft.
Yes, it is available with or without wings and with or without a white line for enhanced functionality.
The knob meets RoHS compliance standards, ensuring safety and environmental compliance.
This model is ideally suited for industrial automation equipment, control panels, instrumentation, and other electrical switch-based applications.
The country of origin for the Elma Rotary Collet Knob is India.
The tightening elements are concealed by nut covers, providing a neat appearance and professional finish.
The model number of this rotary knob is 020-4520.
It supports maintenance and assembly ease with its proven mounting technology, ensuring stable shaft mounting.
Yes, the robust collet fastening method prevents knob slippage and ensures consistent operational reliability in demanding industrial environments.
The primary use case is for reliable switch actuator control in electrical and automation applications.
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