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1SCA158287R1001 ABB OTDC400F33 6 Pole 1000VDC 400A Switch Disconnector
ABB OTDC400F33 400 A, 1000 V DC switch disconnector with 6-pole triple-circuit configuration for photovoltaic, battery energy storage and industrial DC isolation.
Why Choose the ABB OTDC400F33 DC Switch Disconnector?
The ABB OTDC400F33 (SKU 1SCA158287R1001) is a high-performance DC switch disconnector engineered for the safe isolation of direct current circuits in utility-scale photovoltaic (PV) power plants, battery energy storage systems (BESS) and industrial DC applications. As part of ABB's advanced OTDC switch disconnector range, it combines outstanding switching performance, compact dimensions and long-term reliability for demanding renewable energy installations.
Designed for 1000 V DC systems, the OTDC400F33 features a 6-pole triple-circuit (7a / 7e) configuration, enabling three independent PV strings to be isolated using a single compact switch. This reduces combiner box size, simplifies inverter layouts and improves overall installation efficiency. Phase barriers are supplied as standard, while operating handles and shafts are ordered separately.
With a 400 A rated operational current, 1500 V insulation voltage and compliance with IEC 60947-1 and IEC 60947-3, the OTDC400F33 delivers dependable DC isolation for modern photovoltaic infrastructure and industrial DC systems.
Key Advantages
- Heavy-duty DC switch disconnector for renewable energy and industrial applications.
- 400 A rated operational current for demanding DC installations.
- 1000 V DC operating voltage suitable for utility-scale photovoltaic systems.
- Triple-circuit 6-pole configuration reduces combiner box footprint.
- Low switching losses improve overall system efficiency.
- Proven ABB engineering ensures dependable long-term performance.
Key Features
- ABB OTDC DC switch disconnector series.
- 400 A rated operational current (DC-21B).
- 1000 V DC rated operational voltage.
- Triple-circuit (7a / 7e) configuration.
- 6-pole switching arrangement.
- Front-operated mechanism positioned between the poles.
- Compact base-mounted construction.
- Phase barriers supplied as standard.
- Manufactured in accordance with IEC 60947-1 and IEC 60947-3.
Triple-Circuit DC Isolation for Utility-Scale Solar Projects
The ABB OTDC400F33 has been specifically developed for large-scale photovoltaic systems where multiple DC strings require safe isolation within a compact enclosure. Its six-pole, triple-circuit architecture enables engineers to simplify combiner box layouts while maintaining excellent electrical performance and dependable switching reliability.
As part of ABB's latest OTDC M-Series, the OTDC400F33 delivers reduced switch power losses, straightforward installation and outstanding operational reliability, making it an excellent choice for renewable energy developers, OEM panel builders and industrial DC system integrators.
Typical Applications
- Utility-scale photovoltaic power plants.
- Solar PV combiner boxes.
- Battery energy storage systems (BESS).
- Industrial DC distribution systems.
- Renewable energy infrastructure.
- OEM electrical control panels.
Technical Specifications
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| Voltage | 1000 V | |
|---|---|---|
| Mounting Type | Base mounting | |
| Product Series | ABB OTDC | |
| Device Type | Switch Disconnector | |
| Supply Type | DC | |
| Current | 400 A | |
| IP Rating | IP20 | |
| Poles | 6-pole | |
| Manufacturer | ABB | |
| Series | OTDC DC Switch Disconnectors | |
| Model | OTDC400F33 | |
| SKU | 1SCA158287R1001 | |
| EAN | 6417019873923 | |
| Product type | DC switch disconnector | |
| Rated operational current (DC-21B) | 400 A | |
| Rated operational voltage | 1000 V DC | |
| Rated insulation voltage (Ui) | 1500 V | |
| Rated impulse withstand voltage (Uimp) | 12 kV | |
| Number of poles | 6 | |
| Number of circuits | 3 | |
| Circuit arrangement | 7a / 7e | |
| Mounting type | Base mounting | |
| Operation | Front operated | |
| Connection type | Bolt connection | |
| Protection rating | IP20 | |
| Mechanical durability | 10,000 operating cycles | |
| Weight | 8.47 kg | |
| HS Code | 85365080 | |
| Country of Manufacture | Finland |
Frequently Asked Questions
What is the ABB OTDC400F33 used for?
The OTDC400F33 safely isolates three high-current DC circuits in photovoltaic power plants, battery energy storage systems and industrial DC installations.
What current rating does the OTDC400F33 have?
The switch has a 400 A rated operational current.
What voltage is the OTDC400F33 designed for?
The switch is designed for direct current systems operating at up to 1000 V DC.
Does the switch include the operating handle?
No. Phase barriers are supplied as standard, while compatible operating handles and shafts are supplied separately.
Where is the ABB OTDC400F33 commonly installed?
It is widely installed in utility-scale solar farms, PV combiner boxes, battery energy storage systems and industrial DC distribution equipment.
Trusted for Utility-Scale Renewable Energy Projects
ABB OTDC switch disconnectors are trusted worldwide by renewable energy developers, electrical engineers and panel builders for delivering safe, reliable and efficient DC isolation across demanding photovoltaic and industrial DC applications.
