The ABB OHBS2AJ (1SEP204480R3700) is a high-quality black selector handle designed for ABB OT series switch disconnectors and safety switches. Manufactured to ABB's exacting standards, this durable operating handle provides safe, reliable manual operation while maintaining a high level of environmental protection for industrial electrical installations. It features clear I-O / ON-OFF indication for straightforward switch status identification.
Designed for use with compatible ABB rotary disconnect switches, the OHBS2AJ incorporates a robust locking mechanism that allows the handle to be padlocked with up to three padlocks in the OFF position. It also includes a door interlock that prevents enclosure doors from being opened while the switch is energised, improving operator safety during normal operation.
With an IP65 protection rating, durable black thermoplastic construction and compatibility with 6 mm operating shafts, the OHBS2AJ is ideal for industrial control panels, machinery and electrical distribution equipment requiring dependable external switch operation.
Key Advantages
Original ABB selector handle for OT switch disconnectors.
IP65 protection rating for demanding industrial environments.
Compatible with 6 mm operating shafts.
Clear I-O / ON-OFF position indication.
Padlockable with up to three padlocks for safe isolation.
Integrated door interlock enhances operator safety.
Key Features
ABB OHBS2AJ selector handle.
Product ID: 1SEP204480R3700.
Black thermoplastic construction.
IP65 environmental protection.
Suitable for 6 mm square shafts.
Selector handle with I-O / ON-OFF markings.
Door interlock in ON position.
Defeatable interlock for maintenance.
Padlockable in OFF position with up to three padlocks.
Suitable for ABB OT16 to OT125 switch disconnectors.
Reliable Operation for Switch Disconnectors
External selector handles provide safe manual operation of enclosed switch disconnectors while maintaining enclosure integrity. Their locking capability helps ensure safe maintenance procedures by preventing unintended energisation during servicing.
The ABB OHBS2AJ is engineered to provide smooth operation, excellent durability and dependable environmental protection. Its IP65 enclosure rating makes it suitable for use in industrial machinery, manufacturing facilities and commercial electrical installations.
Typical Applications
Industrial control panels.
Switch disconnectors.
Machine isolation switches.
Electrical distribution equipment.
OEM machinery.
Commercial electrical installations.
Technical Specifications
Phase
Three Phase
Manufacturer
ABB
Model
OHBS2AJ
Product ID
1SEP204480R3700
Product type
Selector handle
Colour
Black
Handle type
Selector handle
Protection rating
IP65
Shaft compatibility
6 mm square shaft
Position indication
I-O / ON-OFF
Padlocking
Up to 3 padlocks
Door interlock
Yes
Suitable for
ABB OT16 to OT125 switch disconnectors
Dimensions (H × W × D)
Approx. 65 × 65 × 48 mm
Weight
Approx. 0.066 kg
HS Code
85363090
Country of Manufacture
Bulgaria
Frequently Asked Questions
What is the ABB OHBS2AJ used for?
It is an external selector handle used to safely operate compatible ABB OT series switch disconnectors and safety switches.
Is the handle lockable?
Yes. The handle can be locked in the OFF position using up to three padlocks.
What protection rating does the handle provide?
The ABB OHBS2AJ is rated to IP65, providing protection against dust and water ingress.
Which shaft size is compatible?
The selector handle is designed for use with a 6 mm square operating shaft.
Which switch disconnectors is it compatible with?
The handle is suitable for compatible ABB OT16 to OT125 switch disconnectors and related safety switch applications.
Trusted by Electrical Professionals Worldwide
ABB selector handles are widely trusted by panel builders, OEM manufacturers and electrical engineers for reliable switch operation, enhanced operator safety and long service life in demanding industrial environments.
Phase
Three Phase
Manufacturer
ABB
Model
OHBS2AJ
Product ID
1SEP204480R3700
Product type
Selector handle
Colour
Black
Handle type
Selector handle
Protection rating
IP65
Shaft compatibility
6 mm square shaft
Position indication
I-O / ON-OFF
Padlocking
Up to 3 padlocks
Door interlock
Yes
Suitable for
ABB OT16 to OT125 switch disconnectors
Dimensions (H × W × D)
Approx. 65 × 65 × 48 mm
Weight
Approx. 0.066 kg
HS Code
85363090
Country of Manufacture
Bulgaria
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
Trusted Manfacturers
● 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...