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1SCA123999R1001 ABB 16 A 660 V DC Switch Disconnector
ABB OTDC16F2-126 DC switch disconnector, a 16 A 660 V DC switch designed for safe isolation and switching in photovoltaic and industrial DC applications.
£44.54
Why Choose the ABB OTDC16F2-126 DC Switch Disconnector?
The ABB OTDC16F2-126 is a compact and reliable DC switch disconnector designed for safe isolation and switching of direct current circuits in photovoltaic and industrial DC applications. As part of the ABB OTDC DC switch disconnector series, it provides dependable DC switching performance in a space-saving design for low-voltage DC systems.
This DC switch disconnector is engineered for high reliability in DC applications, with a robust mechanism, screw terminals and a compact enclosure design. The device supports safe manual isolation of DC circuits where maintenance access and electrical separation are required. :chatgpt-content-reference{index="0"}
With a 16 A DC-21B rated operational current at 660 V DC, 2-pole configuration with dummy pole arrangement and suitability for photovoltaic applications, the ABB OTDC16F2-126 is ideal for solar installations, battery systems and other DC power distribution applications. :chatgpt-content-reference{index="1"}
Key Advantages
- 16 A DC switch disconnector for reliable DC circuit isolation.
- 660 V DC DC-21B switching capability for photovoltaic and industrial applications.
- Compact XS frame size for space-efficient installation.
- Suitable for DIN-rail and base mounting applications.
- Positive opening operation supports safe switching behaviour.
- Designed for reliable DC isolation in renewable energy systems.
Key Features
- ABB OTDC DC switch disconnector series.
- 2-pole switch disconnector configuration.
- 16 A DC-21B rated operational current at 660 V DC.
- 10 A DC-21B rated operational current at 1000 V DC.
- 25 A conventional thermal current.
- Suitable for photovoltaic DC applications.
- Screw terminal connection system.
- Black knob handle design.
- Front operated switching mechanism.
- Top-in / bottom-out or bottom-in / top-out terminal arrangement.
Reliable DC Isolation for Renewable Energy and Industrial Systems
DC switch disconnectors such as the ABB OTDC16F2-126 provide safe manual isolation of direct current circuits, helping protect equipment and personnel during installation, maintenance and servicing activities. Their dedicated DC switching design ensures reliable operation in applications where conventional AC switches are unsuitable.
The ABB OTDC series is designed for photovoltaic systems and other DC power applications requiring dependable isolation, compact installation and long service life. Its modular design supports integration into modern renewable energy and industrial electrical systems.
Typical Applications
- Photovoltaic solar installations.
- DC distribution systems.
- Battery storage systems.
- Renewable energy equipment.
- Industrial DC power systems.
- Electrical isolation and maintenance switching.
Technical Specifications
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| Voltage | 1000 V DC | |
|---|---|---|
| Device Type | Enclosed switch disconnector | |
| Series | OTDC DC Switch Disconnectors | |
| Product ID | 1SCA123999R1001 | |
| Product type | DC switch disconnector | |
| Utilisation category | DC-21B | |
| Rated operational current | 16 A at 660 V DC | |
| Number of poles | 2P | |
| Conventional thermal current | 25 A | |
| Rated operational voltage | 1000 V DC | |
| Rated insulation voltage | 1000 V | |
| Rated impulse withstand voltage | 8 kV | |
| Rated short-circuit making capacity | 0.8 kA at 1000 V DC | |
| Rated short-time withstand current | 0.8 kA for 1 s at 1000 V DC | |
| Frame size | XS | |
| Handle colour | Black | |
| Handle type | Knob handle | |
| Mounting type | Base mounting / DIN-rail mounting | |
| Terminal type | Screw terminals | |
| Cable cross-section | 2.5–16 mm² | |
| Protection rating | Front IP20 | |
| Dimensions (W × H × D) | 52.5 × 89 × 66.2 mm | |
| Weight | 0.14 kg | |
| Standards | IEC 60947-1, IEC 60947-3 |
Frequently Asked Questions
What is the ABB OTDC16F2-126 used for?
The ABB OTDC16F2-126 is a DC switch disconnector used for safe isolation and switching of direct current circuits in photovoltaic and industrial applications.
What voltage can the ABB OTDC16F2-126 switch?
The switch disconnector is rated for 16 A at 660 V DC and can operate up to 1000 V DC with a reduced current rating.
How many poles does the OTDC16F2-126 have?
The ABB OTDC16F2-126 has a 2-pole DC switching configuration.
Where is the ABB OTDC16F2-126 typically installed?
The switch disconnector is typically installed in photovoltaic systems, DC distribution equipment and industrial DC power applications.
What mounting options are available for this ABB DC switch?
The OTDC16F2-126 supports base mounting and DIN-rail mounting for flexible installation.
Trusted by Electrical Engineers Worldwide
ABB OTDC DC switch disconnectors are trusted by renewable energy specialists, electrical engineers and system integrators for safe, reliable DC isolation in modern power systems.
