ABB OT40G1-4DQN2 40 A four-pole OT Plus switch disconnector with N2 neutral configuration, protected screw terminals and door-mounted operation.
£82.40
The ABB 1SCA163500R1001, also known as the OT40G1-4DQN2, is a premium 40 A four-pole switch disconnector designed for the safe isolation of low-voltage electrical circuits in industrial, commercial and OEM applications. As part of the reliable ABB OT Plus switch disconnector range, it delivers dependable switching performance, compact dimensions and straightforward installation for modern electrical systems.
The OT40G1-4DQN2 is a front-operated, door-mounted switch disconnector featuring protected IP20 screw terminals. It is designed for use with an external operating handle and shaft (sold separately), allowing flexible door-mounted installations while maintaining safe isolation during maintenance and servicing.
With a rated operational current of 40 A, a four-pole configuration and an N2 neutral arrangement, the OT40G1-4DQN2 is ideal for isolating three-phase electrical systems where switched neutral functionality is required. Its compact G1 frame maximises panel space without compromising ABB's renowned durability and electrical performance.
The ABB OT40G1-4DQN2 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.
Designed 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 | 1SCA163500R1001 |
| Model | OT40G1-4DQN2 |
| Product type | Manual switch disconnector |
| Rated current | 40 A |
| Number of poles | 4 |
| Neutral configuration | N2 |
| Maximum operational voltage | 800 V AC |
| Rated motor power (AC-23A, 400 V) | 18.5 kW |
| Terminal type | Protected screw terminals |
| Operation | Front operated, door mounted |
| Mounting type | Door mounted |
| Frame size | G1 |
| Handle | External handle and shaft required (not included) |
| Protection | IP20 front terminal protection |
| Standard | IEC 60947-3 |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
It provides safe isolation of 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.
No. The OT40G1-4DQN2 is designed for use with a compatible external operating handle and shaft, which are supplied separately.
The OT40G1-4DQN2 features a four-pole configuration with an N2 neutral arrangement.
It is designed for door-mounted installations in industrial control panels, switchboards and electrical distribution systems.
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...