ABB OTDC16FT3 3-pole door-mounted DC switch disconnector rated at 16 A and 1000 V DC for photovoltaic systems, battery storage and industrial DC isolation.
£125.40
The ABB OTDC16FT3 (Part Number 1SCA123840R1001) is a compact DC switch disconnector designed for the safe isolation of direct current circuits in photovoltaic installations, battery energy storage systems and industrial DC applications. As part of the reliable ABB OTDC switch disconnector series, it delivers dependable switching performance while helping protect personnel and equipment during inspection, maintenance and servicing.
Specifically engineered for door-mounted installations, the OTDC16FT3 features a compact enclosure with IP20 protected terminal clamps. It is supplied with jumpers for installation, while the operating handle and shaft are ordered separately, allowing installers to select the most suitable operating mechanism for their enclosure.
With a 16 A rated operational current, 1000 V DC operating voltage and a 3-pole single-circuit configuration, the OTDC16FT3 is ideally suited to photovoltaic combiner boxes, DC distribution systems and renewable energy installations.
The ABB OTDC16FT3 is designed to safely isolate direct current circuits used in photovoltaic arrays, battery storage systems and industrial DC installations. Its compact construction and door-mounted operation make it an excellent solution where space is limited but dependable switching performance is essential.
With ABB's proven DC switching technology, the OTDC16FT3 helps improve system safety by providing secure manual isolation during maintenance while delivering reliable long-term operation.
| Current | 25 A |
|---|---|
| Voltage | 000 V |
| Phase | Three Phase |
| IP Rating | IP20 |
| Manufacturer | ABB |
| Series | OTDC Switch Disconnectors |
| Model | OTDC16FT3 |
| Manufacturer Part Number | 1SCA123840R1001 |
| Product type | DC switch disconnector |
| Rated operational current | 16 A |
| Rated operational voltage | 1000 V DC |
| Rated insulation voltage (Ui) | 1000 V |
| Rated impulse withstand voltage (Uimp) | 8 kV |
| Conventional thermal current (Ith) | 25 A |
| Number of poles | 3 |
| Mounting type | Door mounting |
| Terminal type | Screw terminals |
| Protection rating | IP20 |
| Dimensions (H × W × D) | Approx. 69 × 52.5 × 76 mm |
| Weight | Approx. 0.20 kg |
| HS Code | 85365080 |
| Country of Manufacture | Estonia |
The OTDC16FT3 provides safe manual isolation of direct current circuits in photovoltaic systems, battery storage installations and industrial DC applications.
The switch is rated for 16 A operation at up to 1000 V DC.
The switch features a 3-pole single-circuit configuration.
Yes. The OTDC16FT3 is specifically designed for door-mounted installations.
No. Jumpers are supplied, while the operating handle and shaft must be ordered separately.
ABB OTDC switch disconnectors are trusted by solar installers, panel builders and industrial engineers for delivering reliable DC isolation, compact installation and dependable long-term performance.
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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...