ABB OT25G1-4BSN2 25 A four-pole switch disconnector with N2 neutral configuration for safe isolation of low-voltage industrial electrical systems.
£33.44
The ABB 1SCA163436R1001, also known as the OT25G1-4BSN2, is a high-quality 25 A four-pole switch disconnector designed to provide safe isolation of low-voltage electrical circuits in industrial, commercial and OEM applications. Part of the trusted ABB OT Plus switch disconnector range, it delivers dependable performance, compact installation and long service life for electrical distribution and control systems.
Designed for front operation, this switch disconnector features integrated screw terminals, a robust switching mechanism and a direct-mounted operating handle. The handle can be padlocked in the OFF position, helping maintenance personnel safely isolate equipment during servicing and reducing the risk of accidental energisation.
With a rated current of 25 A, a four-pole configuration and an N2 neutral arrangement, the OT25G1-4BSN2 is suitable for isolating three-phase systems where switching of the neutral conductor is required. Its compact G1 frame allows installation on a baseplate or DIN rail, making it ideal for modern electrical panels and machinery.
The ABB OT25G1-4BSN2 provides a safe and visible means of disconnecting electrical circuits during maintenance or servicing. By simultaneously isolating all four poles, it helps improve personnel safety while protecting electrical equipment from unintended energisation.
Its compact construction, high-quality contacts and straightforward installation make it a popular choice for panel builders, machine manufacturers and electrical contractors seeking dependable isolation equipment for industrial and commercial applications.
| Current | 25 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | OT Plus |
| Product ID | 1SCA163436R1001 |
| Model | OT25G1-4BSN2 |
| Product type | Manual switch disconnector |
| Rated current | 25 A |
| Number of poles | 4 |
| Neutral configuration | N2 |
| Maximum operational voltage | 800 V AC |
| Rated motor switching capacity (AC-23A, 400 V) | 11 kW |
| Terminal type | Screw terminals |
| Operation | Front operated |
| Mounting type | Base mounting / DIN-rail mounting |
| Frame size | G1 |
| Handle | Direct-mounted, padlockable |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
It is used to safely isolate low-voltage electrical circuits during maintenance and servicing in industrial and commercial installations.
The switch disconnector has a rated operational current of 25 A.
The OT25G1-4BSN2 features a four-pole switching configuration for three-phase and neutral isolation.
Yes. It supports both DIN-rail mounting and baseplate installation.
Yes. The operating handle can be padlocked in the OFF position to improve maintenance safety.
ABB OT Plus switch disconnectors are trusted worldwide by electrical contractors, panel builders and OEM manufacturers for reliable circuit isolation, compact installation and dependable long-term performance.
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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...