1SCA022719R1810 ABB OT400E04P 4 Pole 400A Switch Disconnector Isolator IP65 Base Mounted
ABB OT400E04P 400 A four-pole front-operated switch-disconnector with black IP65 operating handle, shaft and terminal bolt kit for industrial electrical isolation.
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The ABB OT400E04P is a heavy-duty 400 A four-pole switch-disconnector engineered for safe isolation and manual switching in industrial power distribution, machinery and commercial electrical installations. As part of the proven ABB OT switch-disconnector range, it delivers dependable performance, high switching capacity and long service life in demanding low-voltage applications.
This front-operated switch-disconnector is supplied complete with a black IP65 operating handle, operating shaft and terminal bolt kit, simplifying installation into electrical switchboards and control panels. The lockable handle enhances operational safety by allowing the switch to be secured in the OFF position during maintenance and servicing.
With a rated operational current of 400 A, a four-pole switching configuration and a rated operational voltage of up to 1000 V AC, the OT400E04P is ideally suited for isolating high-current three-phase systems where neutral switching is also required. Its robust base-mounted design ensures reliable operation across a wide range of industrial environments.
Key Advantages
Heavy-duty 400 A switch-disconnector for industrial isolation.
Four-pole switching for three-phase and neutral applications.
Supplied with a black IP65 operating handle and shaft.
Padlockable OFF position improves maintenance safety.
Designed for long mechanical life and dependable switching performance.
Key Features
ABB OT switch-disconnector series.
400 A rated operational current.
Four-pole configuration.
Front-operated switching mechanism.
Base-mounted installation.
Black IP65 external operating handle included.
Operating shaft and terminal bolt kit supplied.
Suitable for isolation duties up to 1000 V AC.
Reliable Isolation for High-Current Electrical Systems
The ABB OT400E04P provides a safe and effective means of manually isolating electrical circuits for maintenance, servicing and emergency shutdown procedures. Its four-pole design allows simultaneous switching of all live conductors, making it suitable for installations where complete circuit isolation is required.
Designed for demanding industrial environments, the switch combines robust mechanical construction with high electrical performance. The supplied external operating handle enables safe operation from outside the enclosure while maintaining an IP65 seal when correctly installed.
Typical Applications
Industrial power distribution systems.
Main incoming isolators for switchboards.
Motor control centres.
Manufacturing and processing plants.
Commercial electrical installations.
HVAC and building services equipment.
Technical Specifications
Current
400 A
Phase
Three Phase
IP Rating
IP65
Manufacturer
ABB
Series
OT Switch-Disconnectors
Model
OT400E04P
Product ID
1SCA022719R1810
EAN
6417019230788
Product type
Non-fused switch-disconnector
Rated operational current
400 A
Number of poles
4
Rated operational voltage
Up to 1000 V AC
Rated insulation voltage (Ui)
1000 V
Rated impulse withstand voltage (Uimp)
12 kV
Rated operational power (AC-23A, 400 V)
230 kW
Rated short-time withstand current
15 kA (1 s)
Terminal type
Lug terminals
Mounting type
Base mounting
Operating mode
Front operated
Handle colour
Black
Handle protection rating
IP65
Mechanical durability
16,000 operations
Dimensions (H × W × D)
approx. 185 × 235 × 107 mm
Net weight
approx. 3.7 kg
Country of origin
Finland
HS Code
85365080
Country of Manufacture
Finland
Frequently Asked Questions
What is the ABB OT400E04P used for?
The ABB OT400E04P is used to safely isolate and manually switch high-current electrical circuits in industrial and commercial power distribution systems.
How many poles does the switch have?
The OT400E04P is a four-pole switch-disconnector, allowing simultaneous isolation of all conductors, including the neutral where required.
Is an operating handle included?
Yes. The switch is supplied with a black IP65 operating handle, operating shaft and terminal bolt kit.
Can the handle be locked?
Yes. The operating handle can be padlocked in the OFF position to help prevent accidental or unauthorised operation during maintenance.
What mounting arrangement does the OT400E04P use?
The switch is designed for base mounting with front operation inside industrial electrical enclosures and switchboards.
Trusted for Industrial Power Isolation
ABB OT switch-disconnectors are trusted worldwide by panel builders, electrical contractors and industrial engineers for reliable circuit isolation, robust construction and long-term operational performance.
Current
400 A
Phase
Three Phase
IP Rating
IP65
Manufacturer
ABB
Series
OT Switch-Disconnectors
Model
OT400E04P
Product ID
1SCA022719R1810
EAN
6417019230788
Product type
Non-fused switch-disconnector
Rated operational current
400 A
Number of poles
4
Rated operational voltage
Up to 1000 V AC
Rated insulation voltage (Ui)
1000 V
Rated impulse withstand voltage (Uimp)
12 kV
Rated operational power (AC-23A, 400 V)
230 kW
Rated short-time withstand current
15 kA (1 s)
Terminal type
Lug terminals
Mounting type
Base mounting
Operating mode
Front operated
Handle colour
Black
Handle protection rating
IP65
Mechanical durability
16,000 operations
Dimensions (H × W × D)
approx. 185 × 235 × 107 mm
Net weight
approx. 3.7 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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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...