The IMO B3SARR102 is a robust and reliable three-position maintained key switch designed for industrial control panels, automation systems and machine operator interfaces. As part of the IMO B3 series control switch range, it provides secure manual control selection with a removable key mechanism for professional industrial applications.
This key-operated selector switch features three maintained positions, allowing operators to select and hold between control states without continuous manual pressure. The aluminium bezel construction provides a durable and professional finish for panel-mounted installations.
With a 22.5 mm panel mounting diameter and an IP65 protection rating, the IMO B3SARR102 is suitable for industrial machinery, automation panels and electrical control systems where secure operator access and reliable switching are required.
Key Advantages
Reliable key-operated selector switch for industrial control applications.
Three maintained positions for flexible machine control selection.
Key removable in all positions for controlled operator access.
22.5 mm panel mounting design for standard control panels.
IP65 protection rating for demanding industrial environments.
Aluminium bezel finish for professional installations.
Key Features
IMO B3 series key switch.
3-position maintained operation.
Key-operated selector mechanism.
Key removable in all positions.
60° switching angle.
22.5 mm mounting diameter.
IP65 ingress protection.
Designed for industrial automation and machine control systems.
Reliable Operator Control for Industrial Systems
Key selector switches such as the IMO B3SARR102 provide secure manual control over machine operating modes, electrical functions and automation states. The maintained selector action ensures the selected position remains active until changed by an authorised operator.
The IMO B3 series is designed for electrical installers and machine builders requiring dependable operator interface components for industrial machinery, control cabinets and automation systems.
Typical Applications
Industrial machinery control panels.
Automation equipment interfaces.
Machine mode selection systems.
Electrical control cabinets.
Production and processing equipment.
Operator control stations.
Technical Specifications
Manufacturer
IMO Precision Controls
Series
B3S Key Switches
Model
B3SARR102
Product type
Key-operated rotary selector switch
Number of positions
3
Operating type
Maintained
Switching angle
60°
Key removal
All positions
Mounting diameter
22.5 mm
Protection rating
IP65
Bezel colour
Black
Application
Industrial control panels and machinery interfaces
HS Code
8536508000
Country of Manufacture
Austria
Frequently Asked Questions
What is the IMO B3SARR102 used for?
The IMO B3SARR102 is used as a key-operated selector switch for industrial machinery, automation panels and electrical control systems.
How many positions does the selector switch have?
The selector provides three maintained positions for operator control selection.
Can the key be removed from the switch?
The key can be removed in all positions, helping provide controlled access to machine functions.
What protection rating does this key switch have?
The IMO B3SARR102 has an IP65 protection rating for protection against dust and water ingress.
Where is this key switch installed?
The key switch is typically installed on industrial control panels, machinery interfaces and automation equipment.
Trusted by Automation Professionals Worldwide
IMO industrial control switches are widely used by electrical engineers and machine builders to provide secure operator control, reliable switching and dependable performance in industrial applications.
Manufacturer
IMO Precision Controls
Series
B3S Key Switches
Model
B3SARR102
Product type
Key-operated rotary selector switch
Number of positions
3
Operating type
Maintained
Switching angle
60°
Key removal
All positions
Mounting diameter
22.5 mm
Protection rating
IP65
Bezel colour
Black
Application
Industrial control panels and machinery interfaces
HS Code
8536508000
Country of Manufacture
Austria
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
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● frequently asked questions
Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...