ABB OT40G1-4BSN1 40 A four-pole OT Plus switch disconnector with N1 neutral configuration, protected screw terminals, direct-mounted padlockable handle and DIN-rail or base mounting.
£37.60
The ABB 1SCA163494R1001, also known as the OT40G1-4BSN1, is a high-performance 40 A four-pole switch disconnector designed to provide safe and reliable isolation of low-voltage electrical circuits in industrial, commercial and OEM applications. As part of the trusted ABB OT Plus switch disconnector range, it combines compact dimensions, dependable switching performance and simple installation for modern electrical systems.
This front-operated switch disconnector is supplied with a direct-mounted, padlockable operating handle and features protected screw terminals for secure electrical connections. Suitable for both base mounting and DIN-rail mounting, it provides flexible installation while ensuring safe isolation during maintenance and servicing.
With a rated operational current of 40 A, a four-pole configuration and an N1 neutral arrangement, the OT40G1-4BSN1 is ideal for isolating three-phase electrical systems where neutral switching is required. Its compact G1 frame helps maximise enclosure space while delivering ABB's renowned long-term reliability.
The ABB OT40G1-4BSN1 provides safe manual isolation of three-phase electrical circuits during maintenance, servicing and equipment shutdown. Its four-pole switching mechanism disconnects all live conductors, including the neutral, helping improve operator safety while protecting connected equipment from accidental energisation.
Engineered for demanding industrial environments, ABB OT Plus switch disconnectors are widely specified by panel builders, OEM manufacturers and electrical contractors thanks to their compact construction, long mechanical life and dependable switching performance.
| Current | 40 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | OT Plus |
| Product ID | 1SCA163494R1001 |
| Model | OT40G1-4BSN1 |
| Product type | Manual switch disconnector |
| Rated current | 40 A |
| Number of poles | 4 |
| Neutral configuration | N1 |
| Maximum operational voltage | 800 V AC |
| Rated motor power (AC-23A, 400 V) | 18.5 kW |
| Terminal type | Protected screw terminals |
| Operation | Front operated |
| Mounting type | Base mounting / DIN-rail mounting |
| Frame size | G1 |
| Handle | Direct-mounted, padlockable |
| Standard | IEC 60947-3 |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
It is designed to safely isolate three-phase low-voltage electrical circuits with switched neutral in industrial, commercial and OEM applications.
The switch disconnector has a rated operational current of 40 A.
The OT40G1-4BSN1 features a four-pole configuration with an N1 neutral arrangement.
Yes. The OT40G1-4BSN1 is suitable for both DIN-rail mounting and base mounting.
Yes. It is supplied with a direct-mounted operating handle that can be padlocked in the OFF position for safe maintenance procedures.
ABB OT Plus switch disconnectors are trusted worldwide by panel builders, OEM manufacturers and electrical contractors for dependable circuit isolation, compact installation and long-term reliability 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...