ABB OT30G3-4DSN2 40A 4-pole door-mounted switch disconnector with N2 right-hand neutral pole and 800V AC operating voltage.
£146.40
The ABB OT30G3-4DSN2 (SKU: 1SCA162537R1001) is a compact 4-pole door-mounted switch disconnector engineered for safe and reliable electrical isolation in industrial machinery, commercial switchboards and low-voltage power distribution systems. Part of the trusted ABB OT Plus range, it combines dependable switching performance with a compact G3 frame, making it ideal where installation space is limited.
Designed for door-mounted operation, the OT30G3-4DSN2 incorporates screw terminals with IP20 finger-safe front terminal protection. It is intended for use with ABB external operating handles and shafts (sold separately), while the N2 configuration positions the fourth neutral pole on the right-hand side, allowing complete isolation of three phases and neutral where required.
With a 40 A rated permanent current, 800 V AC maximum operating voltage and 18.5 kW AC-23 switching capacity at 400 V, the OT30G3-4DSN2 is ideally suited for industrial control panels, OEM machinery and commercial electrical installations.
The ABB OT30G3-4DSN2 provides safe and dependable isolation before maintenance, servicing and inspection. Its compact design, robust switching mechanism and door-mounted operation make it an excellent choice for OEM equipment, industrial control panels and commercial electrical installations where reliability and operator safety are essential.
Manufactured to ABB's high quality standards, the OT30G3-4DSN2 delivers long service life, dependable switching performance and straightforward installation for electrical contractors, machine builders and panel manufacturers.
| Current | 40 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | OT Plus |
| Model | OT30G3-4DSN2 |
| Order code | 1SCA162537R1001 |
| Product type | Door-mounted switch disconnector |
| Rated permanent current (Iu) | 40 A |
| Rated current AC-21 / AC-23 (400 V) | 40 A |
| Number of poles | 4 |
| Neutral position | N2 (right-hand fourth pole) |
| Maximum operating voltage (Ue) | 800 V AC |
| Switching power (AC-23, 400 V) | 18.5 kW |
| Conditioned short-circuit current (Iq) | 50 kA |
| Rated short-time withstand current (Icw) | 2.5 kA |
| Connection type | Screw terminals |
| Terminal protection | IP20 (front) |
| Dimensions (H × W × D) | 102.5 × 95.5 × 70 mm |
| GTIN | 6417019925707 |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
It provides safe four-pole isolation for industrial machinery, commercial switchboards and electrical distribution systems.
The OT30G3-4DSN2 has a rated permanent current of 40 A.
N2 indicates the fourth neutral pole is positioned on the right-hand side, allowing all three phases and the neutral conductor to be isolated simultaneously.
No. External operating handles and shafts are supplied separately, allowing the correct accessories to be selected for the enclosure.
It is commonly used in industrial control panels, OEM equipment, commercial switchboards and low-voltage distribution systems.
ABB OT Plus switch disconnectors are trusted worldwide by panel builders, electrical contractors and machine manufacturers for their dependable switching performance, compact design and long operational life.
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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...