ABB OTDC400FV33 DC switch disconnector with 400 A current rating, 1500 V DC operating voltage and 6-pole triple-circuit configuration for photovoltaic, battery storage and industrial DC isolation.
The ABB OTDC400FV33 (Part Number 1SCA158847R1001) is a heavy-duty DC switch disconnector engineered for safely isolating high-voltage direct current circuits in demanding industrial and renewable energy applications. As part of the trusted ABB OTDC switch disconnector range, it delivers dependable switching performance for photovoltaic systems, battery energy storage and other DC power installations.
Designed for reliable operation under challenging conditions, the OTDC400FV33 combines robust construction with excellent electrical performance. It provides secure manual isolation, helping protect personnel and equipment during maintenance while meeting the requirements of modern DC installations.
With a 400 A rated operational current, 1500 V DC operating voltage and a 6-pole triple-circuit configuration, this switch disconnector is ideally suited for large-scale solar installations, DC distribution systems and industrial power applications. Its base-mounted design allows straightforward integration into switchboards and electrical enclosures.
DC switch disconnectors provide a safe means of isolating electrical equipment from high-voltage direct current supplies. The ABB OTDC series is specifically designed to handle the demanding switching requirements of photovoltaic arrays, battery energy storage systems and industrial DC power networks.
With its high current rating, robust switching mechanism and dependable ABB engineering, the OTDC400FV33 offers reliable performance while helping maintain safe operating conditions throughout the lifetime of the installation.
| Current | 400 A |
|---|---|
| Voltage | 500 V |
| IP Rating | IP20 |
| Manufacturer | ABB |
| Series | OTDC Switch Disconnectors |
| Model | OTDC400FV33 |
| Manufacturer Part Number | 1SCA158847R1001 |
| Product type | DC switch disconnector |
| Rated operational current (Ie) | 400 A |
| Rated operational voltage | 1500 V DC |
| Rated insulation voltage (Ui) | 1500 V |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Number of poles | 6 |
| Circuit configuration | Triple circuit |
| Mounting type | Base mounting |
| Terminal type | Lug terminals |
| Protection rating | IP20 (front) |
| Mechanical durability | Approx. 10,000 operating cycles |
| Dimensions (H × W × D) | Approx. 211 × 353.5 × 135 mm |
| Weight | Approx. 8.5 kg |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
It is a DC switch disconnector used to safely isolate high-voltage direct current circuits in industrial, photovoltaic and battery storage installations.
The OTDC400FV33 has a rated operational current of 400 A.
This model is designed for applications up to 1500 V DC.
The device features a 6-pole triple-circuit configuration for demanding DC switching applications.
It is typically installed in switchboards, solar power systems, battery energy storage equipment and industrial DC distribution panels.
ABB OTDC switch disconnectors are trusted by panel builders, renewable energy installers and industrial engineers for providing safe, reliable isolation in high-voltage DC power systems.
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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...