Why Choose the ABB OT160G3-4BSN1 Switch Disconnector?
The ABB OT160G3-4BSN1 (SKU: 1SCA162527R1001) is a heavy-duty 4-pole switch disconnector engineered for safe and reliable electrical isolation in industrial machinery, OEM equipment and low-voltage power distribution systems. As part of the proven ABB OT Plus switch disconnector series, it combines dependable switching performance with robust construction and flexible installation, making it an excellent choice for demanding industrial environments.
Designed for base plate or DIN rail mounting, the OT160G3-4BSN1 features integrated screw terminals with front IP20 protected terminal clamps for safe and efficient wiring. It is supplied with a direct-mounted, padlockable operating handle and can also be fitted with an external operating shaft where remote operation is required.
With a rated permanent current of 160 A, a 4-pole configuration featuring a left-hand neutral pole (N1) and a maximum operating voltage of 800 V AC, the OT160G3-4BSN1 is ideal for isolating three-phase systems with neutral in industrial automation, motor control centres and commercial power distribution installations.
Key Advantages
Heavy-duty 4-pole switch disconnector for industrial electrical isolation.
160 A rated current for demanding power distribution systems.
Left-hand fourth neutral pole (N1) for complete circuit isolation.
Base plate and DIN rail mounting for installation flexibility.
Reliable Electrical Isolation for Industrial Installations
Switch disconnectors provide a safe and visible method of isolating electrical circuits before maintenance, servicing and equipment replacement. The ABB OT160G3-4BSN1 enables reliable isolation of all three phases together with the left-hand neutral conductor, helping improve electrical safety while reducing downtime across industrial installations.
Part of ABB's proven OT Plus range, this switch disconnector combines robust construction, dependable switching performance and flexible installation options, making it a preferred solution for electrical contractors, panel builders and OEM manufacturers.
Typical Applications
Industrial control panels.
Motor control centres.
Low-voltage power distribution systems.
Manufacturing machinery.
OEM switchgear.
Commercial electrical installations.
Technical Specifications
Current
160 A
Manufacturer
ABB
Series
OT Plus
Model
OT160G3-4BSN1
Order code
1SCA162527R1001
Product type
Switch disconnector
Rated permanent current (Iu)
160 A
Number of poles
4
Neutral position
N1 (4th pole left)
Maximum rated operating voltage
800 V AC
Switching power at 400 V AC
55 kW
Rated short-time withstand current (Icw)
2.5 kA
Conditioned short-circuit current (Iq)
50 kA
Connection type
Screw terminals
Mounting type
Base plate / DIN rail
Protection rating
IP20 terminal protection (front)
Dimensions (H × W × D)
approx. 123 × 95.5 × 74.6 mm
HS Code
85365080
Country of Manufacture
Finland
Frequently Asked Questions
What is the ABB OT160G3-4BSN1 used for?
The ABB OT160G3-4BSN1 is used to safely isolate four-pole electrical circuits in industrial machinery, switchboards and power distribution systems.
What is the rated current of this switch disconnector?
The switch has a rated permanent current of 160 A.
What does N1 mean on this model?
N1 indicates the switch has a left-hand fourth neutral pole, allowing all three phases and the neutral conductor to be isolated together.
Does the switch include an operating handle?
Yes. The OT160G3-4BSN1 is supplied with a direct-mounted, padlockable operating handle and supports external shaft operation if required.
Where is the OT160G3-4BSN1 typically installed?
It is commonly installed in industrial control panels, switchboards, OEM machinery and commercial power distribution systems.
Trusted by Electrical Professionals Worldwide
ABB OT Plus switch disconnectors are trusted by electrical engineers, panel builders and OEM manufacturers for dependable circuit isolation, reliable switching performance and long-term durability in demanding industrial environments.
Current
160 A
Manufacturer
ABB
Series
OT Plus
Model
OT160G3-4BSN1
Order code
1SCA162527R1001
Product type
Switch disconnector
Rated permanent current (Iu)
160 A
Number of poles
4
Neutral position
N1 (4th pole left)
Maximum rated operating voltage
800 V AC
Switching power at 400 V AC
55 kW
Rated short-time withstand current (Icw)
2.5 kA
Conditioned short-circuit current (Iq)
50 kA
Connection type
Screw terminals
Mounting type
Base plate / DIN rail
Protection rating
IP20 terminal protection (front)
Dimensions (H × W × D)
approx. 123 × 95.5 × 74.6 mm
HS Code
85365080
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.
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...