ABB OTDC315F02 2-pole DC switch disconnector rated at 315 A and 1000 V DC for utility-scale photovoltaic installations and industrial DC isolation.
The ABB 1SCA158170R1001, also known as the OTDC315F02, is a high-performance 2-pole DC switch disconnector engineered for safe isolation in utility-scale photovoltaic installations and industrial direct current systems. Rated at 315 A with a maximum operating voltage of 1000 V DC, it delivers dependable switching performance for demanding renewable energy applications.
Designed as part of ABB's optimised OTDC 315–630 A range, the OTDC315F02 offers a compact footprint while improving system efficiency through reduced power losses. Its space-saving design enables manufacturers to reduce the size of combiner boxes and inverter enclosures without compromising performance.
The switch features a front-operated mechanism positioned at the end of the switch and is supplied with mandatory phase barriers for enhanced electrical safety. Compatible operating handles, shafts and bolt kits are available separately, allowing flexible installation across a wide range of photovoltaic and industrial DC applications.
Utility-scale photovoltaic installations require robust switching equipment capable of safely isolating high-current DC circuits during commissioning, maintenance and emergency shutdown procedures. Selecting a purpose-built DC switch disconnector helps maximise system safety while improving long-term operational reliability.
The ABB OTDC315F02 combines a compact mechanical design with excellent electrical performance, making it ideal for solar combiner boxes, inverter systems and industrial DC distribution equipment where dependable isolation is essential.
| Current | 315 A |
|---|---|
| Voltage | 000 V |
| IP Rating | IP20 |
| Manufacturer | ABB |
| Series | OTDC DC Switch Disconnectors |
| Product ID | 1SCA158170R1001 |
| Model | OTDC315F02 |
| Product type | DC switch disconnector |
| Rated operational current | 315 A |
| Rated operational voltage | 1000 V DC |
| Utilisation category | DC-21B |
| Number of poles | 2 |
| Circuit configuration | Single circuit (2a, 2b) |
| Operating mechanism | Front operated, mechanism at end of switch |
| Phase barriers | Included (installation required) |
| Mounting type | Base mounting |
| Operating handle | Ordered separately |
| Operating shaft | Ordered separately |
| Recommended shaft | OXP12x185 |
| Recommended handles | OHB95J12, OHB125J12 or OHB145J12 |
| Standards | IEC 60947-1, IEC 60947-3 |
| Weight | Approx. 3.41 kg |
| EAN | 6417019872759 |
| HS Code | 85365080 |
| Country of Manufacture | Finland |
The ABB OTDC315F02 is a DC switch disconnector used to safely isolate high-current photovoltaic arrays and industrial direct current installations.
The switch has a 315 A rated operational current (DC-21B) for systems operating up to 1000 V DC.
The OTDC315F02 is a 2-pole, single-circuit DC switch disconnector with a 2a, 2b circuit configuration.
No. Compatible ABB operating handles and shafts are ordered separately to suit the enclosure and installation requirements.
Yes. Phase barriers are supplied with the OTDC315F02 and must be installed as part of the completed assembly.
ABB OTDC switch disconnectors are trusted worldwide by solar manufacturers, panel builders and electrical engineers for compact installation, dependable DC isolation and outstanding long-term performance in utility-scale renewable energy systems.
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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...