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1SCA134371R1001 ABB OTDC16U6 6 Pole 1000VDC 32A Switch Disconnector
ABB OTDC16U6 6-pole triple-circuit DC switch disconnector rated at 16 A for 660 V DC and 10 A for 1000 V DC, designed for photovoltaic, battery storage and industrial DC isolation applications.
Why Choose the ABB OTDC16U6 DC Switch Disconnector?
The ABB OTDC16U6 (1SCA134371R1001) is a compact and highly reliable DC switch disconnector designed for safe isolation in photovoltaic (PV), battery energy storage and industrial direct current applications. Part of the proven ABB OTDC switch disconnector series, it provides dependable switching performance while meeting both IEC and UL standards for demanding renewable energy installations.
Engineered for panel builders, OEMs and electrical contractors, the OTDC16U6 features a triple-circuit, 6-pole configuration that enables the safe isolation of multiple DC strings. Its compact design, touch-safe terminals and flexible mounting options make it an excellent solution for modern DC distribution systems.
With a 16 A operational rating at 660 V DC, 10 A at 1000 V DC and 16 A at 600 V DC (UL), the ABB OTDC16U6 is ideally suited to solar PV systems, battery storage installations and industrial DC power applications. The switch includes a terminal bolt kit, while compatible operating handles and shafts are available separately to suit the installation requirements.
Key Advantages
- Compact DC switch disconnector for safe circuit isolation.
- Triple-circuit, 6-pole configuration for multiple DC strings.
- Designed for photovoltaic and battery energy storage systems.
- IEC and UL certified for international applications.
- Touch-safe IP20 protected terminals.
- Suitable for base or DIN rail mounting.
Key Features
- ABB OTDC switch disconnector series.
- Model: OTDC16U6.
- Manufacturer part number: 1SCA134371R1001.
- 16 A at 660 V DC operational current.
- 10 A at 1000 V DC operational current.
- 16 A at 600 V DC (UL).
- 6-pole triple-circuit switching configuration.
- Rated insulation voltage of 1000 V.
- Rated impulse withstand voltage of 8 kV.
- Base or DIN rail mounting with terminal bolt kit included.
Reliable DC Isolation for Renewable Energy Systems
DC switch disconnectors provide a safe means of isolating direct current circuits during maintenance and servicing. The ABB OTDC series has been specifically developed for photovoltaic systems, battery energy storage systems and industrial DC applications where dependable switching performance and long service life are essential.
The OTDC16U6 combines ABB's proven engineering with compact construction, delivering reliable electrical performance, straightforward installation and compliance with international standards for renewable energy applications.
Typical Applications
- Solar photovoltaic installations.
- Battery energy storage systems (BESS).
- PV combiner boxes.
- Industrial DC distribution panels.
- OEM electrical control panels.
- Renewable energy infrastructure.
Technical Specifications
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| Voltage | 1000 V | |
|---|---|---|
| Mounting Type | DIN rail | |
| Product Series | ABB OTDC | |
| Device Type | Switch Disconnector | |
| Supply Type | DC | |
| Current | 32 A | |
| IP Rating | IP20 | |
| Poles | 6-pole | |
| Manufacturer | ABB | |
| Series | OTDC Switch Disconnectors | |
| Model | OTDC16U6 | |
| MPN | 1SCA134371R1001 | |
| Product type | DC switch disconnector | |
| Rated operational current | 10 A at 1000 V DC | |
| UL rating | 16 A at 600 V DC | |
| Rated insulation voltage (Ui) | 1000 V | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Number of poles | 6 | |
| Number of circuits | 3 | |
| Protection rating | IP20 | |
| Mounting type | Base or DIN rail mounting | |
| Terminal capacity | 2.5 to 16 mm² | |
| Dimensions (H × W × D) | approx. 54.8 × 54.5 × 109.5 mm | |
| Weight | approx. 0.15 kg | |
| HS Code | 85365080 | |
| Country of Manufacture | Estonia |
Frequently Asked Questions
What is the ABB OTDC16U6 used for?
The OTDC16U6 is a DC switch disconnector designed to safely isolate direct current circuits in photovoltaic, battery storage and industrial DC applications.
What are the voltage and current ratings?
The switch is rated at 16 A at 600 V DC (UL), 16 A at 660 V DC and 10 A at 1000 V DC.
How many poles and circuits does the switch have?
The OTDC16U6 features a 6-pole, triple-circuit configuration for isolating multiple DC strings.
Does the switch include an operating handle?
No. The terminal bolt kit is included, while the operating handle and shaft are ordered separately to match the installation.
Where is the OTDC16U6 typically installed?
It is commonly installed in photovoltaic systems, battery energy storage systems, combiner boxes and industrial DC control panels requiring safe circuit isolation.
Trusted by Renewable Energy Professionals Worldwide
ABB OTDC switch disconnectors are trusted by renewable energy engineers, electrical contractors and panel builders for delivering safe, reliable DC isolation across photovoltaic, battery storage and industrial power systems.
