BS3KN3/20 IMO Rotary Knob, 3 Position Maintained 60deg, Black Bezel

Q: How many positions does the BS3KN3/20 selector have?

The BS3KN3/20 provides a 3 position maintained selector function.

Q: What contacts are included with the BS3KN3/20?

The selector includes two normally open contacts for integration into industrial control circuits.

Q: What operating angle does the selector use?

The BS3KN3/20 uses a 60° rotary operating movement.

IMO BS3KN3/20 rotary selector switch with 3 position maintained operation, 60 degree movement, black bezel and 2 normally open contacts for industrial control applications.

SKU: BS3KN3/20Alt SKU: BS3KN320MPN: BS3KN3/20

List Price £21.06 ex VAT

Your Price (ex VAT)

£21.06

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Manufacturer Lead Time

£21.06

Why Choose the IMO BS3KN3/20 Rotary Selector Switch?

The IMO BS3KN3/20 is a reliable and durable rotary selector switch actuator designed for industrial control panels, automation systems and machine operator interfaces. Part of the IMO BS3 series control switch range, this selector provides dependable manual control selection for industrial switching applications. ([radwell.com](https://www.radwell.com/Buy/IMO/IMO/BS3KN3-DIV-20?utm_source=chatgpt.com))

Featuring a 3 position maintained selector function, 60° rotary operation, black bezel finish and an integrated 2 normally open contact configuration, the BS3KN3/20 provides a complete selector solution for machinery control and electrical panel applications. ([radwell.com](https://www.radwell.com/Buy/IMO/IMO/BS3KN3-DIV-20?utm_source=chatgpt.com))

The IMO BS3KN3/20 is suitable for machine builders, control panel manufacturers and automation engineers requiring a compact selector switch with clear operator selection and reliable switching performance. ([radwell.com](https://www.radwell.com/Buy/IMO/IMO/BS3KN3-DIV-20?utm_source=chatgpt.com))

Key Advantages

Reliable rotary selector switch for industrial control applications.
3 position maintained operation for retained machine mode selection.
60° selector movement for clear operator positioning.
2NO contact configuration for flexible control circuit integration.
Black bezel design for professional panel installation.
Suitable for industrial automation and machinery interfaces.

Key Features

IMO BS3 series selector switch actuator.
3 position maintained rotary selector.
60° operating angle.
Black bezel finish.
Two normally open contacts.
22.5 mm panel mounting format.
Designed for industrial operator control systems.

Reliable Operator Selection for Industrial Automation

Rotary selector switches such as the IMO BS3KN3/20 allow operators to select between machine functions, operating modes or control states. The maintained switching action keeps the chosen position until manually changed, making it ideal for industrial control applications.

The BS3 series is designed for OEM machine builders, automation engineers and electrical panel manufacturers requiring durable operator interface components with reliable mechanical operation and clear position selection.

Typical Applications

Industrial control panels.
Machine operating mode selection.
Automation equipment interfaces.
OEM machinery control systems.
Electrical operator stations.
Factory automation installations.

Technical Specifications

Tick the specs you need, then view products that match.

Contacts	2NO
Device Type	Selector Switch
Product Series	IMO BS3
Mounting Diameter	22 mm
Colour	Black
Operation	3 positions – maintained
Manufacturer	IMO Precision Controls
Series	BS3 Selector Switches
Model	BS3KN3/20
Product type	Rotary selector switch
Selector positions	3 position maintained
Operating angle	60°
Contact configuration	2NO
Bezel colour	Black
Mounting diameter	22.5 mm
Protection rating	IP65
Application	Industrial control panels and machinery interfaces
HS Code	8536508000
Country of Manufacture	Austria
IP Rating	IP65

Frequently Asked Questions

What is the IMO BS3KN3/20 used for?

The IMO BS3KN3/20 is a rotary selector switch used for maintained manual control selection in industrial automation systems.

How many positions does the BS3KN3/20 selector have?

The BS3KN3/20 provides a 3 position maintained selector function.

What contacts are included with the BS3KN3/20?

The selector includes two normally open contacts for integration into industrial control circuits.

What operating angle does the selector use?

The BS3KN3/20 uses a 60° rotary operating movement.

Where is the BS3KN3/20 typically installed?

The rotary selector switch is typically installed in electrical control panels, machinery interfaces and automation systems.

Trusted by Industrial Automation Professionals

IMO BS3 series selector switches are used by machine builders and automation engineers to provide reliable operator control and flexible switching solutions in industrial systems.

Contacts	2NO
Device Type	Selector Switch
Product Series	IMO BS3
Mounting Diameter	22 mm
Colour	Black
Operation	3 positions – maintained
Manufacturer	IMO Precision Controls
Series	BS3 Selector Switches
Model	BS3KN3/20
Product type	Rotary selector switch
Selector positions	3 position maintained
Operating angle	60°
Contact configuration	2NO
Bezel colour	Black
Mounting diameter	22.5 mm
Protection rating	IP65
Application	Industrial control panels and machinery interfaces
HS Code	8536508000
Country of Manufacture	Austria
IP Rating	IP65

UK delivery

Delivery options

Free UK delivery on orders over £200 ex VAT. Order in-stock items before 2pm Monday to Friday for next-day delivery.

This product Lead time on request

Please contact us for a delivery time before you order

Standard delivery

£8 ex VAT · free over £200

UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.

Heavier items may be charged at a weight-based or pallet rate, shown at checkout.

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Mon–Fri, 8am–5pm

Order and pay online, then collect from our showroom.

Please allow 15–30 minutes after ordering for us to prepare your order.

Northern Ireland, ROI & export

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We deliver to Northern Ireland, the Republic of Ireland and overseas.

Delivery is calculated at checkout based on your destination.

Orders with mixed availability

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If part of your order is on a lead time, we hold it and send everything together.

Need the in-stock items sooner? Ask us and we can split the delivery.

Business customer returns

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Stocked items

Request within 30 days

Changed your mind or ordered the wrong item? Request a return within 30 days of receipt. There is no restocking charge.

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Faulty or damaged items

Tell us as soon as possible

Faulty, damaged on delivery or the wrong product supplied? Contact our team as soon as possible with the details.

We will review the issue and arrange an appropriate resolution under our terms and conditions and your statutory rights.

Made-to-order items

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Manufactured, configured and special-order products can only be returned with the manufacturer’s approval. Any handling charge is agreed with you when you request the return.

This does not affect claims for faulty goods or items that do not meet the agreed specification.

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Let’s get your return sorted.

Send your order number, product details and reason for return. For faults or delivery damage, include photographs if available. We will confirm the next steps.

Email returns team 01706 242050

The 30-day return request period applies to change-of-mind returns for stocked items. It does not limit your statutory rights for faulty or non-conforming goods.

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3500 +

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28 Trusted Manfacturers

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