ABB OTDC16UT6 DC switch disconnector with 16 A operational current, six-pole triple circuit configuration and door mounting for photovoltaic and industrial DC isolation.
The ABB OTDC16UT6 (1SCA134580R1001) is a compact and dependable DC switch disconnector designed for photovoltaic (PV) installations and industrial direct current applications. As part of the trusted ABB OTDC switch disconnector series, it provides safe isolation of DC circuits while delivering reliable performance for renewable energy systems and electrical control panels.
Featuring a 6-pole triple circuit configuration with door mounting, the OTDC16UT6 is engineered for photovoltaic string isolation and demanding DC applications. Its compact construction, IP20 protected terminal clamps and robust switching mechanism make it an excellent choice for solar installers, panel builders and OEM manufacturers.
With a 16 A rated operational current, a 25 A conventional thermal current and ratings up to 1000 V DC, the ABB OTDC16UT6 is ideal for solar combiner boxes, PV inverter installations, battery energy storage systems and industrial DC distribution panels.
The ABB OTDC16UT6 is designed to safely isolate photovoltaic strings and other direct current circuits during maintenance, servicing and emergency shutdown procedures. Its robust switching mechanism helps maintain electrical safety while supporting dependable long-term operation.
The triple circuit design makes the switch particularly suitable for larger photovoltaic installations where multiple DC strings require safe and reliable isolation within a compact enclosure.
| Current | 32 A |
|---|---|
| Voltage | 000 V |
| IP Rating | IP20 |
| Manufacturer | ABB |
| Series | OTDC Switch Disconnectors |
| Model | OTDC16UT6 |
| Manufacturer Part Number | 1SCA134580R1001 |
| Product type | DC switch disconnector |
| Rated operational current | 16 A |
| Rated thermal current (Ith) | 25 A |
| Rated voltage | 600 V DC UL, 660 V DC IEC, 1000 V DC IEC (10 A) |
| Number of poles | 6 |
| Configuration | Triple circuit |
| Mounting type | Door mounting |
| Connection type | Screw terminals |
| Protection rating | IP20 |
| Weight | approx. 0.15 kg |
| HS Code | 85365080 |
| Country of Manufacture | Estonia |
The OTDC16UT6 safely isolates photovoltaic strings and other direct current electrical circuits in renewable energy and industrial applications.
The switch has a 16 A rated operational current and a 25 A conventional thermal current.
It is rated for 600 V DC UL, 660 V DC IEC and 1000 V DC IEC (10 A).
No. The operating handle and shaft are supplied separately and must be ordered independently.
It is commonly installed in photovoltaic combiner boxes, inverter systems and industrial electrical enclosures requiring safe DC circuit isolation.
ABB OTDC switch disconnectors are trusted worldwide by solar installers, electrical contractors and panel builders for delivering safe, reliable DC isolation in photovoltaic and industrial 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...