ABB OHRS12 red direct-mounted handle knob for compatible OT16 to OT40 switch disconnectors, providing reliable manual operation without an operating shaft.
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The ABB OHRS12 is a genuine red direct-mounted handle knob designed for compatible ABB OT series switch disconnectors. As part of ABB's trusted range of low voltage switchgear accessories, it provides a safe, reliable and highly visible means of manually operating disconnect switches in industrial and commercial electrical installations.
The OHRS12 mounts directly onto the switch mechanism without requiring an operating shaft, making installation quick and straightforward. Its compact thermoplastic construction provides excellent durability while the red finish offers enhanced visibility for switch operation and isolation applications.
Featuring a compact 37 mm handle length, the ABB OHRS12 is suitable for selected ABB OT16 to OT40 switch disconnectors. It is widely used by panel builders, OEMs and maintenance engineers requiring a genuine ABB operating accessory for industrial control panels and machinery.
Key Advantages
Original ABB direct-mounted handle knob.
37 mm compact handle for space-saving installations.
Bright red finish for improved operator visibility.
No operating shaft required.
Quick and simple direct installation.
Suitable for industrial switch disconnectors and control panels.
Key Features
ABB switch disconnector accessory.
Direct mounting onto compatible switch mechanism.
37 mm handle length.
Red ergonomic handle knob.
Suitable for selected ABB OT16 to OT40 switch disconnectors.
No shaft required.
Compact lightweight construction.
Original ABB replacement component.
Reliable Manual Operation for Switch Disconnectors
Direct-mounted handle knobs provide a practical and dependable method of manually operating switch disconnectors without requiring an external shaft mechanism. Their compact design simplifies installation while delivering reliable switching performance throughout the service life of the equipment.
The ABB OHRS12 is manufactured specifically for compatible ABB disconnect switches, ensuring precise fitment, smooth operation and long-term reliability in industrial electrical installations.
Typical Applications
Industrial switchboards.
Electrical control panels.
Machine isolation switches.
OEM machinery.
Power distribution equipment.
Commercial electrical installations.
Technical Specifications
Manufacturer
ABB
Model
OHRS12
Product ID
1SCA108253R1001
Product type
Handle knob
Handle type
Direct-mounted knob
Handle colour
Red
Handle length
37 mm
Mounting type
Direct mounting
Operating shaft required
No
Suitable for
ABB OT16...OT40 switch disconnectors
Dimensions (W × H × D)
approx. 25 × 13 × 40 mm
Weight
approx. 0.014 kg
EAN
6417019416175
HS Code
85389099
Country of Manufacture
Finland
Frequently Asked Questions
What is the ABB OHRS12 used for?
The OHRS12 is a direct-mounted handle knob used to manually operate compatible ABB OT series switch disconnectors.
Does the OHRS12 require an operating shaft?
No. The OHRS12 mounts directly onto the switch mechanism and does not require a separate operating shaft.
Which ABB switches is the OHRS12 compatible with?
The handle is designed for selected ABB OT16 to OT40 switch disconnectors.
What colour is the OHRS12?
The ABB OHRS12 features a durable red finish for improved visibility during switch operation.
Is the OHRS12 a genuine ABB accessory?
Yes. The OHRS12 is an original ABB switch disconnector accessory with product ID 1SCA108253R1001.
Trusted by Panel Builders Worldwide
ABB operating handles and switch accessories are trusted by electrical engineers, OEMs and panel builders for reliable manual operation, precise fitment and dependable performance in industrial electrical systems.
Manufacturer
ABB
Model
OHRS12
Product ID
1SCA108253R1001
Product type
Handle knob
Handle type
Direct-mounted knob
Handle colour
Red
Handle length
37 mm
Mounting type
Direct mounting
Operating shaft required
No
Suitable for
ABB OT16...OT40 switch disconnectors
Dimensions (W × H × D)
approx. 25 × 13 × 40 mm
Weight
approx. 0.014 kg
EAN
6417019416175
HS Code
85389099
Country of Manufacture
Finland
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.
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1,000 +
Same day dispatches
3500 +
Customers supported
28
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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...