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1SCA163430R1001 ABB OT25G1-4BQN2 Switch-disconnector OT Plus 25 A, size G1, 4-pole, incl. handle
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.
£33.12
Why Choose the ABB 1SCA163430R1001 OT Plus Switch Disconnector?
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.
Key Advantages
- Compact four-pole switch disconnector for industrial electrical isolation.
- 25 A rated operational current for dependable switching.
- Suitable for base mounting and DIN rail installation.
- Quick-spring terminals enable rapid, secure wiring.
- Four-pole design allows switching of the neutral conductor.
- Compatible with ABB external operating handles and shafts.
- Ideal for industrial control panels, machinery and power distribution systems.
Key Features
- ABB OT Plus switch disconnector series.
- Model: OT25G1-4BQN2.
- Product code: 1SCA163430R1001.
- 25 A rated operational current.
- Four-pole construction.
- Base mounted and DIN rail mountable.
- Front-operated switching mechanism.
- Quick-spring terminal connections.
- External operating handle and shaft compatible.
Reliable Four-Pole Isolation for 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.
Typical Applications
- Industrial control panels.
- Three-phase electrical distribution systems.
- Machine isolation switches.
- OEM machinery.
- Industrial automation equipment.
- Applications requiring switched neutral isolation.
Technical Specifications
Tick the specs you need, then view products that match.
| Voltage | 800 V | |
|---|---|---|
| Device Type | Switch Disconnector | |
| Mounting Type | DIN rail | |
| Product Series | ABB OT Plus | |
| Supply Type | AC | |
| Current | 25 A | |
| Phase | Three Phase | |
| Poles | 4-pole | |
| 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 |
Frequently Asked Questions
What is the ABB 1SCA163430R1001 used for?
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.
How many poles does this switch disconnector have?
The ABB OT25G1-4BQN2 features a four-pole configuration, allowing isolation of all phase conductors and the neutral.
What is the rated operational current?
The switch disconnector has a 25 A rated operational current.
Does this model include an operating handle?
No. This version is supplied without an operating handle, allowing a compatible ABB external handle and shaft to be selected separately.
Can this switch be DIN rail mounted?
Yes. The ABB OT25G1-4BQN2 is suitable for both base mounting and DIN rail installation.
Trusted by Industrial Professionals Worldwide
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.
