ABB OT40G1-4MQN2 40 A four-pole OT Plus switch disconnector with N2 neutral configuration, quick-spring terminals, direct-mounted padlockable handle and DIN-rail or base mounting.
£75.54
The ABB 1SCA163504R1001, also known as the OT40G1-4MQN2, is a premium 40 A four-pole switch disconnector engineered for the safe isolation of low-voltage electrical circuits in industrial, commercial and OEM applications. As part of the proven ABB OT Plus switch disconnector range, it combines compact dimensions, dependable switching performance and rapid installation, making it ideal for modern control panels and electrical distribution systems.
The OT40G1-4MQN2 is a front-operated, base-mounted switch disconnector that is also DIN-rail mountable. It features quick-spring terminals for fast, secure wiring and is supplied with a direct-mounted, padlockable operating handle, providing safe operation and straightforward installation.
With a rated operational current of 40 A, a four-pole configuration and an N2 neutral arrangement, the OT40G1-4MQN2 is designed for isolating three-phase electrical systems with switched neutral. Its compact G1 frame maximises enclosure space while supporting applications up to 800 V AC.
The ABB OT40G1-4MQN2 provides safe manual isolation of three-phase electrical circuits during maintenance and servicing. Its quick-spring terminals reduce installation time while ensuring secure electrical connections, making it ideal for panel builders and OEM machine manufacturers.
ABB OT Plus switch disconnectors are trusted worldwide for their long mechanical life, compact design and dependable switching performance across industrial, commercial and infrastructure applications.
| Current | 40 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | OT Plus |
| Product ID | 1SCA163504R1001 |
| Model | OT40G1-4MQN2 |
| 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 | Quick-spring terminals |
| Operation | Front operated |
| Mounting type | Base mounting / DIN-rail mounting |
| Frame size | G1 |
| Handle | Direct-mounted, padlockable |
| 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.
The OT40G1-4MQN2 features quick-spring terminals for fast and reliable installation.
Yes. The OT40G1-4MQN2 is suitable for both base mounting and DIN-rail mounting.
Yes. The switch is supplied with a direct-mounted, padlockable operating handle.
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...