Why Choose the ABB OT160G3-4DSN2 Switch Disconnector?
The ABB OT160G3-4DSN2 (SKU: 1SCA162536R1001) is a high-performance 4-pole door-mounted switch disconnector designed to provide safe and dependable isolation for industrial machinery, commercial switchboards and low-voltage power distribution systems. As part of ABB's renowned OT Plus range, it combines compact dimensions, robust construction and excellent switching performance for demanding industrial applications.
Designed for door-mounted operation, the OT160G3-4DSN2 incorporates integrated screw terminals with IP20 protected front terminal clamps, helping improve installer safety while simplifying panel assembly. The external operating handle and shaft are supplied separately, allowing flexibility for panel builders. The N2 configuration places the fourth neutral pole on the right-hand side, making it suitable for installations requiring full neutral isolation.
Rated at 160 A with a maximum operational voltage of 800 V AC, the OT160G3-4DSN2 is suitable for use as both a main switch and a maintenance/service switch, providing dependable isolation across industrial automation systems, motor control centres and commercial electrical installations.
N2 right-hand neutral pole for complete four-pole isolation.
Suitable as both a main switch and maintenance switch.
IP20 protected front terminals improve installation safety.
Compact ABB G3 frame saves valuable panel space.
Key Features
ABB OT Plus switch disconnector series.
Model: OT160G3-4DSN2.
Order code: 1SCA162536R1001.
160 A rated permanent current (Iu).
4-pole configuration with N2 right-hand neutral.
Door-mounted operation.
Integrated screw terminals.
IP20 protected front terminal clamps.
Compatible with ABB operating handles and shafts.
IEC 60947-3 compliant.
Reliable Isolation for Critical Power Systems
The ABB OT160G3-4DSN2 provides safe and visible isolation before maintenance, servicing and inspection. Its durable switching mechanism and door-mounted design allow operators to disconnect power without opening the enclosure, helping improve personnel safety and minimise downtime.
Manufactured to ABB's demanding quality standards, the OT160G3-4DSN2 offers dependable long-term performance in industrial control panels, OEM equipment, commercial switchboards and low-voltage distribution systems.
Typical Applications
Industrial control panels.
Motor control centres.
OEM machinery.
Commercial switchboards.
Low-voltage power distribution.
Industrial automation systems.
Technical Specifications
Current
160 A
Manufacturer
ABB
Series
OT Plus
Model
OT160G3-4DSN2
Order code
1SCA162536R1001
Product type
Door-mounted switch disconnector
Rated permanent current (Iu)
160 A
Number of poles
4
Neutral position
N2 (right-hand fourth pole)
Maximum rated operational voltage (Ue)
800 V AC
Conditioned short-circuit current (Iq)
50 kA
Rated short-time withstand current (Icw)
2.5 kA
Connection type
Screw terminals
Mounting
Door mounted
Terminal protection
IP20 (front)
Dimensions (H × W × D)
102.5 × 95.5 × 70 mm
GTIN
6417019925691
HS Code
85365080
Country of Manufacture
Finland
Frequently Asked Questions
What is the ABB OT160G3-4DSN2 used for?
It is designed to safely isolate four-pole electrical circuits in industrial and commercial power distribution systems.
What is the rated current?
The OT160G3-4DSN2 has a rated permanent current of 160 A.
What does the N2 designation mean?
N2 indicates the fourth neutral pole is positioned on the right-hand side, allowing complete isolation of all three phases and the neutral conductor.
Can this switch be used as a main isolator?
Yes. It is approved for use as both a main switch and a maintenance/service switch.
Does the switch include the operating handle?
No. The external operating handle and shaft are supplied separately to allow the correct accessories to be selected for the enclosure.
Trusted by Electrical Professionals Worldwide
ABB OT Plus switch disconnectors are trusted worldwide by panel builders, machine manufacturers and electrical contractors for their dependable performance, compact design and long operational life.
Current
160 A
Manufacturer
ABB
Series
OT Plus
Model
OT160G3-4DSN2
Order code
1SCA162536R1001
Product type
Door-mounted switch disconnector
Rated permanent current (Iu)
160 A
Number of poles
4
Neutral position
N2 (right-hand fourth pole)
Maximum rated operational voltage (Ue)
800 V AC
Conditioned short-circuit current (Iq)
50 kA
Rated short-time withstand current (Icw)
2.5 kA
Connection type
Screw terminals
Mounting
Door mounted
Terminal protection
IP20 (front)
Dimensions (H × W × D)
102.5 × 95.5 × 70 mm
GTIN
6417019925691
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
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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...