ABB OT100G3-4BSN2 100 A 4-pole switch disconnector with right-hand neutral (N2), base or DIN rail mounting, screw terminals and padlockable direct-mounted operating handle.
£100.91
The ABB 1SCA162513R1001, also known as the OT100G3-4BSN2, is a premium 100 A, 4-pole switch disconnector from the ABB OT Plus range. Designed for safe isolation of low-voltage electrical circuits, it is ideal for industrial control panels, commercial distribution boards, OEM machinery and building services installations. The four-pole configuration incorporates a right-hand neutral (N2), making it suitable for three-phase systems where neutral switching is required.
This front-operated switch disconnector supports both base mounting and 35 mm DIN rail mounting, allowing flexible installation in new panel builds and retrofit projects. It features integrated screw terminals, a directly mounted padlockable knob handle and is suitable for enclosures with a 45 mm DIN cut-out.
Engineered to ABB's high standards, the OT100G3-4BSN2 complies with IEC 60947-3 and UL requirements, delivering dependable switching performance and long service life in demanding industrial environments.
The ABB OT100G3-4BSN2 provides a safe and dependable means of isolating three-phase electrical systems where switching of the neutral conductor is required. It is suitable for use as a main incoming switch, maintenance isolator or local disconnecting device within industrial machinery and commercial electrical installations.
Its compact G3 frame, robust switching mechanism and dual mounting options make it an excellent choice for panel builders and OEM manufacturers seeking a reliable, space-saving isolator that can be adapted for external door operation when required.
| Current | 100 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | OT Plus |
| Product ID | 1SCA162513R1001 |
| Alternative SKU | OT100G3-4BSN2 |
| Product type | Switch disconnector / isolator |
| Frame size | G3 |
| Number of poles | 4 (3P + N2) |
| Neutral position | Right-hand (N2) |
| Rated permanent current (Iu) | 100 A |
| Maximum rated operational voltage (Ue) | 800 V AC |
| Rated insulation voltage (Ui) | 800 V |
| Conditioned short-circuit current (Iq) | 50 kA |
| Rated short-time withstand current (Icw) | 2.5 kA |
| Mounting | Base mounting or 35 mm DIN rail |
| Terminal type | Screw terminals |
| Copper conductor capacity | 2.5–70 mm² |
| Protection | IP20 (front) |
| Dimensions (H × W × D) | Approximately 123 × 95.5 × 74.6 mm |
| EAN | 6417019925462 |
| Applicable standards | IEC 60947-3, UL 98 and UL 60947-4-1 |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
It is a 100 A, 4-pole switch disconnector designed to safely isolate three-phase electrical systems requiring neutral switching.
The ABB catalogue designation is OT100G3-4BSN2.
N2 indicates that the neutral pole is positioned on the right-hand side of the switch when viewed from the front.
Yes. It supports both direct base mounting and installation on a standard 35 mm DIN rail.
Yes. The supplied direct-mounted knob handle can be padlocked in the OFF position to support safe lockout procedures.
Yes. The OT100G3-4BSN2 is suitable for use as a main switch, maintenance isolator and distribution board disconnecting device.
ABB OT Plus switch disconnectors are trusted by electrical contractors, panel builders, OEM machine manufacturers and industrial engineers for reliable isolation, flexible installation and dependable long-term performance in low-voltage power distribution systems.
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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...