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1SCA123844R1001 ABB OTDC25FT4 4 Pole 1000VDC 32A Switch Disconnector
ABB OTDC25FT4 four-pole DC switch disconnector rated 25 A at 660 V DC and 16 A at 1000 V DC for photovoltaic and industrial isolation applications.
Why Choose the ABB 1SCA123844R1001 OTDC25FT4 Switch Disconnector?
The ABB 1SCA123844R1001 is a reliable OTDC25FT4 DC switch disconnector designed for safe isolation and switching of direct current circuits in photovoltaic, renewable energy and industrial applications. As part of the advanced ABB OTDC switch disconnector range, it provides dependable DC switching performance for systems requiring secure manual isolation and long-term reliability.
Designed for professional DC installations, the OTDC25FT4 features a four-pole double-circuit configuration with door mounting capability. The unit includes the terminal bolt kit, while the operating handle and shaft are ordered separately to provide flexible installation options for electrical enclosures and switchgear assemblies.
With a 25 A rated current at 660 V DC, 16 A rated current at 1000 V DC and a four-pole configuration, the ABB 1SCA123844R1001 provides reliable circuit isolation for photovoltaic systems, industrial DC distribution and renewable energy applications.
Key Advantages
- Reliable DC switch disconnector designed for photovoltaic and industrial applications.
- 25 A rated current at 660 V DC for dependable DC switching.
- 1000 V DC operating voltage capability.
- Four-pole double-circuit design for flexible DC isolation.
- Door mounting configuration for electrical cabinets.
- ABB engineering ensures safe and reliable long-term operation.
Key Features
- ABB OTDC switch disconnector series.
- OTDC25FT4 model.
- Four-pole (4P) configuration.
- Double circuit switching design.
- 25 A rated current at 660 V DC.
- 16 A rated current at 1000 V DC.
- Door mounting installation.
- Terminal bolt kit included.
- Handle and shaft ordered separately.
- Screw terminal connections.
- IP20 front protection rating.
- Suitable for photovoltaic utilisation applications.
Reliable DC Isolation for Renewable Energy and Industrial Systems
DC switch disconnectors such as the ABB OTDC25FT4 provide a safe and reliable method of isolating electrical circuits during maintenance, installation and emergency shutdown procedures. They are essential components where dependable DC switching and operator safety are required.
The ABB OTDC range is designed for photovoltaic installations, industrial DC applications and energy systems where compact design, high insulation capability and reliable switching performance are critical. The 1SCA123844R1001 provides an efficient solution for modern electrical infrastructure.
Typical Applications
- Solar photovoltaic installations.
- Battery energy storage systems.
- Industrial DC distribution panels.
- Renewable energy systems.
- Electrical control cabinets.
- OEM power equipment.
Technical Specifications
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| Voltage | 1000 V | |
|---|---|---|
| Mounting Type | Door / front mounting | |
| Product Series | ABB OTDC | |
| Device Type | Switch Disconnector | |
| Supply Type | DC | |
| Current | 32 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| Poles | 4-pole | |
| Manufacturer | ABB | |
| Series | OTDC | |
| Model | OTDC25FT4 | |
| Product code | 1SCA123844R1001 | |
| Product type | DC switch disconnector | |
| Number of poles | 4P | |
| Number of circuits | 2 | |
| Rated operational current | 16 A at 1000 V DC | |
| Rated operational voltage | 1000 V DC | |
| Rated insulation voltage | 1000 V | |
| Rated impulse withstand voltage | 8 kV | |
| Rated short-time withstand current | 0.8 kA for 1 second | |
| Utilisation category | DC-21B | |
| Mounting type | Door mounting | |
| Terminal type | Screw terminals | |
| Protection rating | IP20 | |
| Standards | IEC 60947-1, IEC 60947-3 | |
| Dimensions (W × H × D) | approx. 52.5 × 69 × 87 mm | |
| Weight | approx. 0.2 kg | |
| HS Code | 85365080 | |
| Country of Manufacture | Estonia |
Frequently Asked Questions
What is the ABB 1SCA123844R1001 used for?
The ABB 1SCA123844R1001 is a DC switch disconnector used for safe isolation and switching of direct current circuits in photovoltaic and industrial applications.
What is the rated current of the OTDC25FT4?
The ABB OTDC25FT4 supports 25 A at 660 V DC and 16 A at 1000 V DC depending on the application configuration.
What voltage can this switch disconnector handle?
The ABB OTDC25FT4 is rated for DC systems up to 1000 V DC.
How many poles does the ABB 1SCA123844R1001 have?
The switch disconnector features a four-pole (4P) configuration.
Where is the ABB OTDC25FT4 typically installed?
The device is commonly installed in photovoltaic systems, industrial DC distribution panels and electrical enclosures requiring secure DC isolation.
Trusted by Electrical Engineers Worldwide
ABB OTDC switch disconnectors are trusted by electrical engineers, renewable energy specialists and OEM manufacturers for safe DC isolation, reliable switching and efficient integration into modern power systems.
