Hella Rotary Switch 15A @ 12V Off-On Flat Knob Suit 12.5mm Dia Opening 4021

Hella Rotary Switch 15A @ 12V Off-On Flat Knob Suit 12.5mm Dia Opening

The Hella Rotary Switch is a reliable and robust solution for controlling electrical circuits in various vehicles and applications. Designed for use in automotive and marine environments, this switch operates at 15A and 12V, making it suitable for a range of DIY projects and professional installations. Hella is known for its commitment to quality, ensuring that this switch meets the high standards expected by tradies and enthusiasts alike.

With a flat knob design that fits a 12.5mm diameter opening, this rotary switch provides easy operation and is built to withstand the rigours of daily use. Whether you are upgrading your vehicle's electrical system or need a dependable switch for your workshop, the Hella Rotary Switch is an excellent choice.

Key features

• 15A current rating for reliable performance.
• 12V operation, ideal for automotive and marine applications.
• Flat knob design for easy and intuitive operation.
• Durable construction to withstand harsh environments.
• Compatible with a 12.5mm diameter opening for simple installation.

Technical details

• Current rating: 15A
• Voltage: 12V
• Knob type: Flat
• Opening diameter: 12.5mm
• Material: High-quality plastic and metal components

Applications / fitment

This rotary switch is typically used in automotive and marine electrical systems, providing a simple way to control various devices.

• Passenger vehicles
• 4x4 and off-road vehicles
• Marine applications
• Workshops and industrial settings
• Custom vehicle builds and modifications

Why buy from Mick’s Gone Bush?

• Trusted Australian business focused on reliable power, auto-electrical, and service parts.
• Stock sourced from reputable distributors and brands.
• Practical support for trade, off-grid, and fleet customers.
• Clear shipping, warranty, and customer service.

Frequently asked questions

How do I install the Hella Rotary Switch?

Installation involves connecting the switch to your electrical circuit according to the provided wiring diagram. Ensure the power is off during installation for safety.

Is this switch suitable for marine applications?

Yes, the Hella Rotary Switch is designed to withstand the rigours of marine environments, making it suitable for boats and other watercraft.

What type of devices can I control with this switch?

This switch can control a variety of devices, including lights, fans, and other electrical equipment in vehicles and workshops.

Can I use this switch in a 24V system?

No, this switch is rated for 12V applications only. Using it in a 24V system may damage the switch.

What is the warranty period for this product?

The Hella Rotary Switch typically comes with a manufacturer's warranty. Please check with Mick’s Gone Bush for specific warranty details.