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Elma Rotary Collet Knob for use with Rotary Switch 021-3420
Specifications
| Country of Origin | India |
|---|---|
| Brand | Elma |
| Colour | Black |
| Model | 021-3420 |
| For Use With | Rotary Switch |
| Standards/Approvals | RoHS |
Key Features
- Available in multiple diameters including 9mm, 10mm, 14.5mm, and 21mm to suit various shaft sizes.
- Constructed with classic design offering versions with and without wings on larger knobs.
- Provides options with or without a white line indicator for precise position marking.
- Secure collet tightening method hides mounting elements under nut covers.
- Complies with RoHS standards for environmentally friendly manufacturing.
- Suitable for electrical and automation applications requiring rotary switch operation.
Product Description
Elma 021-3420 Rotary Collet Knob is engineered specifically for reliable use with rotary switches, providing precise control and secure mounting. This knob model is part of Elma's classic collection, available in 9mm, 10mm, 14.5mm, and 21mm diameters to accommodate a range of rotary switch shafts. Certain sizes come with optional winged designs to enhance grip and usability, with all variants available with or without a white line to indicate the selected position clearly.
The knob is mounted using Elma's proven collet tightening method, which ensures secure attachment while keeping the tightening elements concealed beneath attractive nut covers. This design protects the mechanism and adds to the professional aesthetic of installed switch assemblies.
Manufactured under RoHS compliant processes, this product ensures minimal environmental impact and suitability for modern industrial and commercial electrical systems. The black color finish provides a professional look suitable for control panels and instrumentation.
This rotary collet knob fits seamlessly with rotary switches in various electrical and automation systems, making it ideal for use in industrial machinery, laboratory equipment, HVAC controls, and manufacturing instrumentation.
Available in multiple diameters for versatile fitment. Winged and non-winged designs for user preference and enhanced grip. Options for white line indicators aid in precise position identification. Secure mounting with collet tightening method conceals fixing elements.
RoHS compliant construction ensures environmental safety. Black finish for professional and durable appearance.
Enhance your rotary switch assemblies with the reliable and precise Elma 021-3420 Rotary Collet Knob. Explore more high-quality rotary switch components and accessories at EnvMart.
Explore more products in our Rotary Switch Knobs category.
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Frequently Asked Questions
The Elma 021-3420 rotary collet knob is available in multiple diameters including 9mm, 10mm, 14.5mm, and 21mm to accommodate various rotary switch shafts.
This model utilizes a secure collet tightening method, which conceals the mounting elements under nut covers for a clean appearance.
Yes, the rotary collet knob is available with or without a white line indicator to aid in precise position marking.
The knob features a black color finish, providing a professional look suitable for control panels and instrumentation.
Yes, the Elma rotary collet knob is manufactured under RoHS compliant processes, ensuring minimal environmental impact.
It is suitable for electrical and automation applications requiring rotary switch operation, including industrial machinery, laboratory equipment, HVAC controls, and manufacturing instrumentation.
Yes, certain sizes of the knob come with optional winged designs to enhance grip and usability, while others are available without wings.
This rotary collet knob is manufactured in India.
The model number for this rotary collet knob is 021-3420.
It is designed for use with rotary switches, making it compatible with various electrical and automation systems.
The knob features options for winged designs for better grip and a white line indicator for clear position identification, enhancing usability.
The finish of the Elma 021-3420 knob is black, contributing to its professional appearance.
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