ABB OTDC16US2 2-pole PV disconnect switch rated at 16 A for 600 V DC UL and 660 V DC IEC applications, designed for photovoltaic systems and industrial DC isolation.
The ABB OTDC16US2 (1SCA134372R1001) is a compact and reliable DC PV disconnect switch designed to provide safe isolation in photovoltaic (PV), battery energy storage and industrial direct current applications. As part of the proven ABB OTDC switch disconnector range, it delivers dependable DC switching performance for renewable energy systems and complies with recognised IEC and UL standards.
Designed specifically for panel builders, OEMs and electrical contractors, the OTDC16US2 features a pre-mounted jumper for simplified installation while maintaining ABB's high standards of safety and reliability. Its compact footprint makes it ideal for integration into PV combiner boxes, DC control panels and battery storage equipment.
With a 16 A operational rating at 660 V DC, 16 A at 600 V DC (UL) and a compact 2-pole single-circuit configuration, the OTDC16US2 is well suited to solar PV systems requiring dependable DC isolation. The switch is supplied with a terminal bolt kit, while the operating handle and shaft are ordered separately.
DC disconnect switches provide a safe means of isolating photovoltaic strings during installation, maintenance and servicing. The ABB OTDC series has been developed specifically for renewable energy systems, offering dependable switching performance and long-term reliability under demanding operating conditions.
The OTDC16US2 combines ABB's proven engineering with compact construction, allowing straightforward installation and dependable operation in solar PV arrays, battery storage systems and industrial DC applications.
| Current | 32 A |
|---|---|
| Voltage | 000 V |
| IP Rating | IP20 |
| Manufacturer | ABB |
| Series | OTDC Switch Disconnectors |
| Model | OTDC16US2 |
| MPN | 1SCA134372R1001 |
| Product type | DC PV disconnect switch |
| Rated operational current (UL) | 16 A at 600 V DC |
| Rated operational current (IEC) | 16 A at 660 V DC |
| Number of poles | 2 |
| Configuration | Single circuit |
| Protection rating | IP20 terminal protection |
| Mounting type | Base mounting |
| Dimensions (H × W × D) | approx. 89 × 54.5 × 64 mm |
| Weight | approx. 0.20 kg |
| Supplied with | Terminal bolt kit and pre-mounted jumper |
| HS Code | 85365080 |
| Country of Manufacture | Estonia |
The OTDC16US2 is a DC PV disconnect switch used to safely isolate photovoltaic strings and other direct current circuits during maintenance and servicing.
The switch is rated at 16 A at 600 V DC (UL) and 16 A at 660 V DC (IEC).
Yes. The OTDC16US2 is supplied with a pre-mounted jumper to simplify installation.
No. The switch includes a terminal bolt kit, while the operating handle and shaft are ordered separately.
It is commonly installed in photovoltaic combiner boxes, battery storage systems and industrial DC control panels requiring safe DC isolation.
ABB OTDC disconnect switches are trusted by solar installers, panel builders and electrical engineers for delivering dependable DC isolation across photovoltaic and industrial renewable energy applications.
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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...