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1SCA162526R1001 ABB OT125G3-4BSN2 Switch-disconnector OT Plus 125 A, size G3, 4-pole, 4th pole right
ABB OT125G3-4BSN2 125A 4-pole switch disconnector with right-hand neutral pole, base plate and DIN rail mounting for industrial electrical isolation.
£91.53
Why Choose the ABB OT125G3-4BSN2 Switch Disconnector?
The ABB OT125G3-4BSN2 (SKU: 1SCA162526R1001) is a premium 4-pole switch disconnector designed to provide safe and dependable electrical isolation for industrial machinery, commercial electrical installations and low-voltage power distribution systems. As part of the trusted ABB OT Plus switch disconnector series, it delivers outstanding switching performance, flexible installation and long-term reliability for demanding industrial applications.
Designed for base plate or DIN rail mounting, the OT125G3-4BSN2 features integrated screw terminals with front IP20 protected terminal clamps, enabling safe, straightforward installation. It is supplied with a direct-mounted, padlockable operating handle and supports the addition of an external operating shaft for installations requiring remote operation.
With a rated operational current of 125 A, a 4-pole configuration and a 55 kW AC-23A switching capacity at 400 V AC, the OT125G3-4BSN2 is ideal for isolating three-phase electrical systems with a right-hand neutral pole in industrial automation, motor control centres and power distribution applications.
Key Advantages
- Heavy-duty 4-pole switch disconnector for industrial electrical isolation.
- 125 A rated operational current for demanding applications.
- Right-hand fourth neutral pole (N2) for complete circuit isolation.
- Base plate and DIN rail mounting for installation flexibility.
- Padlockable operating handle improves maintenance safety.
- Reliable ABB OT Plus construction ensures long service life.
Key Features
- ABB OT Plus switch disconnector series.
- Model: OT125G3-4BSN2.
- Order code: 1SCA162526R1001.
- 125 A rated operational current.
- 4-pole configuration (N2 right-hand neutral).
- Base plate and DIN rail mounting.
- Integrated screw terminal connections.
- Direct-mounted, padlockable operating handle included.
- Compatible with external operating shaft.
- Front IP20 protected terminal clamps.
Reliable Electrical Isolation for Industrial Installations
Switch disconnectors provide a safe and visible means of isolating electrical circuits before maintenance, servicing and equipment replacement. The ABB OT125G3-4BSN2 enables reliable isolation of all three phases together with the neutral conductor, helping improve electrical safety while reducing downtime across industrial installations.
As part of ABB's proven OT Plus range, the OT125G3-4BSN2 combines durable construction, dependable switching performance and flexible installation options, making it an ideal choice for panel builders, OEM manufacturers and electrical contractors.
Typical Applications
- Industrial control panels.
- Motor control centres.
- Low-voltage power distribution systems.
- Manufacturing machinery.
- OEM switchgear.
- Commercial electrical installations.
Technical Specifications
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| Voltage | 800 V | |
|---|---|---|
| Device Type | Switch Disconnector | |
| Poles | 4-pole | |
| Mounting Type | DIN rail | |
| Power | 55 kW | |
| Product Series | ABB OT Plus | |
| Current | 125 A | |
| Phase | Three Phase | |
| Manufacturer | ABB | |
| Series | OT Plus | |
| Model | OT125G3-4BSN2 | |
| Order code | 1SCA162526R1001 | |
| Product type | Switch disconnector | |
| Rated operational current | 125 A | |
| Number of poles | 4 | |
| Neutral position | N2 (4th pole right) | |
| Switching power at 400 V AC | 55 kW | |
| Maximum rated operating voltage | 800 V AC | |
| Connection type | Screw terminals | |
| Mounting type | Base plate / DIN rail | |
| Protection rating | IP20 terminal protection (front) | |
| Frame size | G3 | |
| HS Code | 85365080 | |
| Country of Manufacture | Finland |
Frequently Asked Questions
What is the ABB OT125G3-4BSN2 used for?
The ABB OT125G3-4BSN2 is used to safely isolate four-pole electrical circuits in industrial machinery, switchboards and power distribution systems.
What is the rated current of this switch disconnector?
The switch has a rated operational current of 125 A.
What does N2 mean on this model?
N2 indicates the switch has a right-hand fourth neutral pole, allowing all three phases and the neutral conductor to be isolated together.
Does the switch include an operating handle?
Yes. The OT125G3-4BSN2 is supplied with a direct-mounted, padlockable operating handle and supports external shaft operation where required.
Where is the OT125G3-4BSN2 typically installed?
It is commonly installed in industrial control panels, switchboards, OEM machinery and commercial power distribution systems.
Trusted by Electrical Professionals Worldwide
ABB OT Plus switch disconnectors are trusted by electrical engineers, panel builders and OEM manufacturers for dependable circuit isolation, reliable switching performance and long-term durability across demanding industrial environments.
