ABB OTDC16F4 four-pole DC switch disconnector rated 16 A at 660 V DC and 10 A at 1000 V DC for photovoltaic and industrial isolation applications.
£137.59
The ABB 1SCA121461R1001 is a compact and reliable OTDC16F4 DC switch disconnector designed for safe isolation and switching of direct current circuits in photovoltaic, industrial and renewable energy applications. As part of the trusted ABB OTDC switch disconnector series, it provides dependable DC switching performance for modern electrical systems.
Designed for professional DC installations, the OTDC16F4 features a robust four-pole construction with flexible base mounting and DIN rail mounting options. It is engineered for applications requiring secure manual isolation, including solar PV systems, battery storage solutions and industrial DC distribution equipment.
With a 16 A rated current at 660 V DC, 10 A rated current at 1000 V DC and a four-pole configuration, the ABB 1SCA121461R1001 provides safe and reliable circuit isolation for demanding DC applications.
DC switch disconnectors such as the ABB OTDC16F4 provide a safe method of isolating electrical circuits during maintenance, installation and emergency shutdown procedures. They are essential components where reliable DC switching and operator safety are required.
The ABB OTDC range is designed for photovoltaic systems, battery storage applications and industrial DC environments. Its compact construction, high insulation capability and dependable switching performance make the 1SCA121461R1001 a practical solution for modern power systems.
| Current | 25 A |
|---|---|
| Voltage | 000 V |
| Phase | Three Phase |
| IP Rating | IP20 |
| Manufacturer | ABB |
| Series | OTDC |
| Model | OTDC16F4 |
| Product code | 1SCA121461R1001 |
| Product type | DC switch disconnector |
| Number of poles | 4P |
| Rated operational current | 10 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 | Base mounting / DIN rail mounting |
| Terminal type | Screw terminals |
| Protection rating | IP20 |
| Standards | IEC 60947-1, IEC 60947-3 |
| Weight | Approx. 0.26 kg |
| HS Code | 85365080 |
| Country of Manufacture | Estonia |
The ABB 1SCA121461R1001 is a DC switch disconnector used for safe isolation and switching of direct current circuits in photovoltaic and industrial applications.
The ABB OTDC16F4 supports 16 A at 660 V DC and 10 A at 1000 V DC depending on the application configuration.
The ABB OTDC16F4 is rated for DC systems up to 1000 V DC.
The switch disconnector features a four-pole (4P) configuration.
The device is commonly installed in photovoltaic systems, battery storage equipment and industrial DC distribution panels.
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.
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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...