ABB 1SCA104829R1001 ot16f4n2 16a load break switch 4 pole
ABB OT16F4N2 4-pole 16 A front-operated switch disconnector with protected clamp terminals, suitable for DIN rail or base mounting in low-voltage electrical panels.
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The ABB OT16F4N2 is a compact and reliable 4-pole switch disconnector designed for safe isolation and switching of low-voltage electrical circuits. As part of the proven ABB OT Series, it provides dependable manual isolation for industrial control panels, machinery, switchboards and power distribution systems.
This switch disconnector features a front-operated, base-mounted design and is also DIN rail mountable, making it well suited to panel building and OEM electrical assemblies. Protected clamp terminals support secure cable connections, while the non-fusible construction provides a straightforward isolation solution for control and distribution applications.
With a 16 A operational current, 4-pole configuration and compact panel-mounted format, the ABB OT16F4N2 is ideal for isolating three-phase circuits where neutral switching is also required. The operating handle and shaft are supplied separately, allowing flexible configuration for different enclosure designs.
Key Advantages
Compact 4-pole switch disconnector for industrial applications.
16 A operational current for low-voltage switching duties.
Front-operated, base-mounted construction.
Suitable for DIN rail or base mounting.
Protected clamp terminals support safe and secure wiring.
Compatible with ABB external handles and operating shafts.
Key Features
ABB OT Series switch disconnector.
4-pole non-fused isolator.
16 A rated operational current.
IP20 protection rating.
Front-operated switching mechanism.
Protected clamp terminals.
DIN rail and base mounting capability.
Handle and operating shaft supplied separately.
Reliable Electrical Isolation for Control Panels
Switch disconnectors provide a safe method of isolating electrical equipment during maintenance, inspection and servicing. The ABB OT Series is widely used in low-voltage installations where robust manual switching, compact size and dependable isolation are required.
The ABB OT16F4N2 is suitable for applications where a compact 4-pole isolator is required inside an electrical enclosure. Its DIN rail mounting option, protected terminals and accessory compatibility make it a practical choice for panel builders, machine builders and electrical contractors.
Typical Applications
Industrial control panels.
Machinery isolation and OEM equipment.
Electrical switchboards and distribution boards.
Three-phase circuits requiring neutral switching.
Building services electrical panels.
Maintenance isolation points.
Technical Specifications
Current
16 A
Phase
Three Phase
Manufacturer
ABB
Series
OT Series
Model
OT16F4N2
Product ID
1SCA104829R1001
EAN
6417019389738
Product type
Switch disconnector / non-fused disconnect switch
Number of poles
4
Rated operational current AC-21A
16 A
Rated operational current AC-22A
16 A
Rated operational voltage
Up to 690 V AC
Terminal type
Protected clamp terminals
Protection rating
IP20
Mounting type
Base or 35 mm DIN rail mounting
Dimensions (H × W × D)
approx. 68 × 48 × 56 mm
Weight
approx. 0.125 kg
Country of origin
Finland
HS Code
85365080
Country of Manufacture
Finland
Frequently Asked Questions
What is the ABB OT16F4N2 used for?
The ABB OT16F4N2 is used to safely isolate and switch low-voltage electrical circuits in control panels, machinery, switchboards and distribution systems.
How many poles does the ABB OT16F4N2 have?
The OT16F4N2 is a 4-pole switch disconnector, making it suitable for applications where neutral switching is required.
What is the current rating of the OT16F4N2?
The switch has a rated operational current of 16 A for AC-21A and AC-22A switching duties.
Can the ABB OT16F4N2 be DIN rail mounted?
Yes. The OT16F4N2 is suitable for both base mounting and 35 mm DIN rail mounting.
Does the ABB OT16F4N2 include a handle and shaft?
No. The operating handle and shaft are supplied separately, allowing the switch to be configured for different panel and enclosure layouts.
Trusted by Panel Builders Worldwide
ABB OT Series switch disconnectors are widely used by electrical contractors, panel builders and automation engineers to provide safe, reliable isolation across industrial machinery and low-voltage electrical installations.
Current
16 A
Phase
Three Phase
Manufacturer
ABB
Series
OT Series
Model
OT16F4N2
Product ID
1SCA104829R1001
EAN
6417019389738
Product type
Switch disconnector / non-fused disconnect switch
Number of poles
4
Rated operational current AC-21A
16 A
Rated operational current AC-22A
16 A
Rated operational voltage
Up to 690 V AC
Terminal type
Protected clamp terminals
Protection rating
IP20
Mounting type
Base or 35 mm DIN rail mounting
Dimensions (H × W × D)
approx. 68 × 48 × 56 mm
Weight
approx. 0.125 kg
Country of origin
Finland
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
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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...