ABB OTDC16F3 3-pole DC switch disconnector rated at 16 A and 1000 V DC for photovoltaic systems, industrial control panels and DC isolation applications.
£110.07
The ABB OTDC16F3 (Part Number 1SCA121457R1001) is a compact and reliable DC switch disconnector designed for the safe isolation of direct current circuits in photovoltaic installations, industrial control panels and DC power systems. As part of the proven ABB OTDC switch disconnector range, it delivers dependable switching performance while helping protect personnel and equipment during maintenance and servicing.
Designed specifically for renewable energy and industrial applications, the OTDC16F3 features a robust switching mechanism with a compact footprint, making it ideal where installation space is limited. The switch includes a terminal bolt kit and supports both base and DIN rail mounting. The operating handle and shaft are supplied separately, allowing installers to configure the switch for their application.
With a 16 A rated operational current, 1000 V DC operating voltage and a 3-pole single-circuit configuration, the OTDC16F3 is an excellent choice for solar combiner boxes, battery energy storage systems and industrial DC isolation duties.
The ABB OTDC16F3 is designed to safely isolate direct current circuits used in photovoltaic arrays and industrial DC systems. Its compact construction allows easy integration into electrical enclosures while delivering dependable switching performance and reliable operation throughout the life of the installation.
Whether installed in solar combiner boxes, battery storage systems or industrial control panels, the OTDC16F3 helps improve safety by providing secure manual isolation whenever maintenance is required.
| Current | 25 A |
|---|---|
| Voltage | 000 V |
| Phase | Three Phase |
| IP Rating | IP20 |
| Manufacturer | ABB |
| Series | OTDC Switch Disconnectors |
| Model | OTDC16F3 |
| Manufacturer Part Number | 1SCA121457R1001 |
| Product type | DC switch disconnector |
| Rated operational current | 16 A |
| Rated operational voltage | 1000 V DC |
| Number of poles | 3 |
| Mounting type | Base or DIN rail mounting |
| Protection rating | IP20 |
| Connection type | Screw terminals with terminal bolt kit |
| Standards | IEC 60947-1, IEC 60947-3 |
| Weight | Approx. 0.20 kg |
| HS Code | 85365080 |
| Country of Manufacture | Estonia |
The OTDC16F3 provides safe manual isolation of direct current circuits in photovoltaic systems, industrial control equipment and DC power distribution applications.
The switch is rated for 16 A operation at up to 1000 V DC.
The ABB OTDC16F3 features a 3-pole single-circuit configuration.
The switch supports both base mounting and DIN rail mounting for flexible installation.
No. The terminal bolt kit is included, while the operating handle and shaft are supplied separately.
ABB OTDC switch disconnectors are trusted by solar installers, panel builders and industrial engineers for delivering dependable DC isolation, compact installation and long-term reliability.
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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...