ABB OT25G1-4BQN2 four-pole OT Plus switch disconnector with 25 A rating, Quick-spring terminals and base or DIN rail mounting for industrial electrical isolation.
£50.95
The ABB 1SCA163430R1001, also known as the OT25G1-4BQN2, is a compact and reliable four-pole switch disconnector designed for the safe manual isolation of low-voltage electrical circuits. Part of the proven ABB OT Plus switch disconnector range, it provides dependable switching performance for industrial control panels, OEM equipment and electrical distribution systems.
Designed for base mounting and DIN rail installation, this front-operated switch features Quick-spring terminal connections with finger-safe protection from the front. It is supplied without an external operating handle or shaft, allowing installers to choose compatible ABB accessories for their enclosure design.
With a 25 A rated operational current, a four-pole configuration and suitability for systems up to 800 V AC, the ABB OT25G1-4BQN2 is ideal for isolating three-phase systems with a switched neutral in demanding industrial applications.
Four-pole switch disconnectors are commonly used where the neutral conductor must also be isolated, helping improve safety during maintenance and ensuring complete electrical isolation in three-phase systems.
The ABB OT25G1-4BQN2 combines ABB's proven OT Plus switching technology with a compact footprint, robust mechanical design and Quick-spring terminals for faster installation and long-term reliability in demanding industrial environments.
| Current | 25 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | OT Plus Switch Disconnectors |
| Model | OT25G1-4BQN2 |
| Order code | 1SCA163430R1001 |
| EAN | 6417019931098 |
| Product type | Switch disconnector |
| Rated operational current | 25 A |
| Rated operational voltage | Up to 800 V AC |
| Rated insulation voltage (Ui) | 800 V |
| Number of poles | 4 |
| Mounting type | Base mounting / DIN rail mounting |
| Terminal type | Quick-spring terminals |
| Protection rating | IP20 from the front |
| Operating handle | External operating handle and shaft required (not included) |
| Frame size | G1 |
| Main switch function | Yes |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
It provides safe manual isolation of three-phase electrical circuits with switched neutral, making it ideal for industrial machinery, control panels and power distribution systems.
The ABB OT25G1-4BQN2 features a four-pole configuration, allowing isolation of all phase conductors and the neutral.
The switch disconnector has a 25 A rated operational current.
No. This version is supplied without an operating handle, allowing a compatible ABB external handle and shaft to be selected separately.
Yes. The ABB OT25G1-4BQN2 is suitable for both base mounting and DIN rail installation.
ABB OT Plus switch disconnectors are trusted by electrical engineers, panel builders and OEM manufacturers worldwide for dependable electrical isolation, compact installation and long service life in demanding industrial environments.
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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...