1SCA158194R1001 ABB OTDC400F02 2 Pole 1000VDC  400A Switch Disconnector

1SCA158194R1001 ABB OTDC400F02 2 Pole 1000VDC 400A Switch Disconnector

ABB OTDC400F02 2-pole DC switch disconnector rated at 400 A and 1000 V DC for utility-scale photovoltaic systems and industrial DC isolation.

SKU: 1SCA158194R1001Alt SKU: OTDC400F02MPN: 1SCA158194R1001
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Why Choose the ABB 1SCA158194R1001 OTDC400F02 DC Switch Disconnector?

The ABB 1SCA158194R1001, also known as the OTDC400F02, is a high-performance 2-pole DC switch disconnector designed specifically for utility-scale photovoltaic power plants and demanding industrial DC applications. Rated at 400 A with a maximum operating voltage of 1000 V DC, it provides dependable switching and safe circuit isolation for modern renewable energy systems.

Part of ABB's advanced OTDC range, the OTDC400F02 features an optimised two-pole design that reduces enclosure size whilst improving electrical efficiency. Its compact construction allows manufacturers to reduce the footprint of combiner boxes and inverter systems without compromising performance, making it ideal for high-power photovoltaic installations.

The switch incorporates a front-operated mechanism positioned at the end of the unit and is supplied ready for use with mandatory phase barriers. Compatible ABB operating handles, shafts and terminal accessories are available separately, allowing flexible installation across a wide variety of enclosure designs. Designed to IEC 60947-1 and IEC 60947-3 standards, it delivers long-term reliability in demanding environments.

Key Advantages

  • Designed for 1000 V DC utility-scale photovoltaic installations.
  • 400 A rated operational current.
  • Compact design reduces combiner box and inverter size.
  • Optimised construction improves overall system efficiency.
  • Suitable for high-current renewable energy applications.
  • Phase barriers supplied for enhanced installation safety.
  • Compatible with ABB operating handles and shafts.
  • Robust industrial construction for long service life.

Key Features

  • ABB OTDC400F02 DC switch disconnector.
  • 1000 V DC rated operational voltage.
  • 400 A operational current (DC-21B).
  • 2-pole, single-circuit (2a, 2b).
  • Front-operated mechanism positioned at the end of the switch.
  • Base mounting design.
  • Mandatory phase barriers included.
  • Handles and shafts supplied separately.
  • Designed to IEC 60947-1 and IEC 60947-3.
  • Suitable for photovoltaic combiner boxes and inverter systems.

Reliable High-Current DC Isolation

High-power photovoltaic installations require switching equipment capable of safely isolating DC circuits during maintenance and emergency shutdown procedures. Selecting a purpose-designed DC switch disconnector helps maximise personnel safety while ensuring reliable long-term operation.

The ABB OTDC400F02 combines a compact footprint, high current capacity and dependable switching performance, making it an ideal solution for utility-scale solar projects, combiner boxes and industrial DC distribution systems.

Typical Applications

  • Utility-scale photovoltaic power plants.
  • Solar combiner boxes.
  • Central inverter systems.
  • Industrial DC distribution equipment.
  • Renewable energy infrastructure.
  • High-current DC power installations.

Technical Specifications

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Voltage 1000 V
Mounting Type Base mounting
Device Type Switch Disconnector
Supply Type DC
Product Series ABB OTDC
Current 400 A
IP Rating IP20
Poles 2-pole
Manufacturer ABB
Series OTDC DC Switch Disconnectors
Product ID 1SCA158194R1001
Model OTDC400F02
Product type DC switch disconnector
Rated operational voltage 1000 V DC
Rated operational current (DC-21B) 400 A
Rated insulation voltage (Ui) 1500 V
Rated impulse withstand voltage (Uimp) 12 kV
Short-time withstand current (Icw) 10 kA (1 s)
Number of poles 2
Circuit configuration Single circuit (2a, 2b)
Mounting type Base mounting
Product frame size M
Degree of protection IP20 (front)
Operating mechanism Front operated
Operating handle Ordered separately
Net weight Approx. 3.6 kg
Country of origin Finland
Standards IEC 60947-1, IEC 60947-3
EAN 6417019872995
HS Code 85365080
Country of Manufacture Finland

Frequently Asked Questions

What is the ABB 1SCA158194R1001 used for?

The ABB OTDC400F02 is designed to safely isolate high-current photovoltaic circuits and other industrial direct current power systems operating up to 1000 V DC.

What is the current rating of the OTDC400F02?

The switch has a 400 A rated operational current for applications operating up to 1000 V DC.

How many poles does this switch have?

The OTDC400F02 is a 2-pole, single-circuit DC switch disconnector with a 2a, 2b connection configuration.

Are the operating handle and shaft included?

No. Compatible ABB operating handles and shafts are supplied separately to suit the installation and enclosure.

Which applications is this switch suitable for?

It is ideal for utility-scale solar power plants, combiner boxes, central inverter systems and industrial DC distribution equipment.

Trusted by Renewable Energy Professionals

ABB OTDC DC switch disconnectors are trusted worldwide by solar manufacturers, EPC contractors and panel builders for dependable high-current DC isolation, compact installation and outstanding long-term operational reliability.