ABB OT100G3-4DSN2 100A 4-pole front-operated door-mounted switch disconnector with screw terminals for industrial electrical isolation and low-voltage power distribution.
£100.91
The ABB OT100G3-4DSN2 (SKU: 1SCA162518R1001) is a robust and reliable 4-pole switch disconnector engineered for the safe isolation of electrical circuits in industrial, commercial and OEM power distribution systems. As part of the proven ABB OT Plus switch disconnector series, it delivers dependable switching performance, compact installation and long service life for demanding low-voltage applications.
Designed for front operation and door mounting, the OT100G3-4DSN2 incorporates built-in screw terminals with protected terminal clamps to simplify installation while improving operator safety. Its modular design allows the switch to be installed inside electrical enclosures with a compatible operating handle and shaft, providing flexible integration into modern control panels and switchboards.
With a rated operational current of 100 A, a 4-pole configuration and support for 690 V AC systems, the OT100G3-4DSN2 is ideal for isolating three-phase systems with neutral, making it suitable for industrial machinery, building services and power distribution installations.
Switch disconnectors are essential safety devices used to isolate electrical circuits before maintenance, servicing or equipment replacement. The ABB OT100G3-4DSN2 provides a visible and dependable isolation point that helps improve operational safety while reducing downtime across industrial and commercial electrical systems.
Part of ABB's trusted OT Plus range, this switch disconnector combines compact dimensions, durable construction and flexible installation options, making it an excellent choice for panel builders, electrical contractors and OEM manufacturers requiring reliable low-voltage isolation.
| Current | 100 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | OT Plus |
| Model | OT100G3-4DSN2 |
| Order code | 1SCA162518R1001 |
| Product type | Switch disconnector |
| Rated operational current | 100 A |
| Number of poles | 4 |
| Rated operational voltage | 690 V AC |
| Connection type | Screw terminals |
| Protection rating | IP20 protected terminal clamps (front) |
| Mounting type | Door mounted |
| Operation | Front operated |
| Frame size | G3 |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
The OT100G3-4DSN2 is used to safely isolate electrical circuits in industrial machinery, power distribution systems and electrical control panels.
The switch has a rated operational current of 100 A.
The 4-pole design allows all three phases and the neutral conductor to be isolated simultaneously where required.
No. The operating handle and shaft are supplied separately, allowing installers to select the most suitable configuration for the enclosure.
It is commonly installed in industrial control panels, switchboards, motor control centres and commercial electrical distribution systems.
ABB OT Plus switch disconnectors are trusted by electrical engineers, panel builders and OEM manufacturers for dependable circuit isolation, safe operation and reliable performance 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...