Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
ABB OT400U04 switch disconnector, a 400 A four pole UL-rated non-fusible disconnect switch designed for reliable industrial switching and electrical isolation.
£287.43
The ABB OT400U04 is a reliable UL-rated switch disconnector designed for safe manual switching and electrical isolation in industrial power distribution systems. As part of the proven ABB OT switch disconnector series, it provides dependable performance for high-current applications requiring secure circuit control and isolation. :chatgpt-content-reference{index="0"}
This non-fusible disconnect switch features a four-pole, front-operated, base-mounted design with lug terminals and a terminal bolt kit included. The handle and shaft are not included, allowing selection of the appropriate operating accessories for the installation requirements. :chatgpt-content-reference{index="1"}
With a UL/CSA rated current of 400 A, a four-pole configuration and compatibility with UL 98, IEC 60947-3 and CSA C22.2 No.4 standards, the ABB OT400U04 is suitable for industrial switchboards, machinery isolation and electrical distribution applications. :chatgpt-content-reference{index="2"}
Industrial switch disconnectors such as the ABB OT400U04 provide dependable manual control of electrical circuits, allowing safe connection, disconnection and isolation during operation and maintenance activities.
The ABB OT series combines compact construction, high mechanical durability and reliable switching performance, making these disconnectors suitable for industrial power systems, machinery installations and electrical distribution equipment. :chatgpt-content-reference{index="3"}
Tick the specs you need, then view products that match.
| Poles | 4-pole | |
|---|---|---|
| Device Type | Switch Disconnector | |
| Current | 400 A | |
| Product Series | ABB OT | |
| Series | OT Switch Disconnectors | |
| Product type | Non-fusible switch disconnector | |
| UL/CSA rated current | 400 A | |
| Rated operational current AC-22A | 400 A | |
| Rated operational current AC-23A | 400 A | |
| Rated operational voltage | 1000 V AC | |
| UL/CSA maximum operating voltage | 600 V | |
| Number of poles | 4 poles | |
| Fourth pole position | Right side | |
| Fourth pole type | Switched - simultaneous function | |
| Operating mode | Front operated | |
| Operating mechanism | Mechanism at end of switch, 04 left side | |
| Mounting type | Base mounting | |
| Handle type | Handle and shaft not included | |
| Terminal type | Lug terminals | |
| Rated insulation voltage | 1000 V | |
| Rated impulse withstand voltage | 12 kV | |
| Rated short-circuit making capacity | 65 kA at 690 V | |
| Rated short-time withstand current | 15 kA for 1 s | |
| Protection rating | Front IP00 | |
| Mechanical durability | 16000 operations | |
| Standards | IEC 60947-3 / UL 98 / CSA C22.2 No.4 | |
| Dimensions (W × H × D) | approx. 275 × 220 × 105 mm | |
| Weight | approx. 3.8 kg |
The ABB OT400U04 is a non-fusible switch disconnector used for manual switching and electrical isolation in industrial power systems.
The ABB OT400U04 has a rated current of 400 A.
The ABB OT400U04 is a 4-pole switch disconnector.
The ABB OT400U04 is supplied without the handle and shaft; these accessories are selected separately according to the installation requirements.
The switch disconnector is typically installed in industrial switchboards, electrical panels and power distribution assemblies.
ABB OT switch disconnectors are widely used by electrical engineers and system builders to provide reliable switching, safe isolation and durable performance in industrial installations.
We use cookies
We use essential cookies to run this site, your basket and checkout. With your permission we'd also like to use analytics and advertising cookies to understand how the site is used and to measure our adverts.