ABB 1SCA022381R2290 DC Disconnect Switch

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1. Product Overview

ABB 1SCA022381R2290 DC Disconnect Switch is a high-performance DC isolation switch designed for ABB’s direct current systems. It is widely used in photovoltaic (PV) systems, energy storage systems (ESS), and DC distribution networks. The switch provides safe disconnection for maintenance and emergency operations, with high voltage and arc-resistant design.

2. Technical Specifications

• Model: 1SCA022381R2290

• Product Type: DC Disconnect Switch

• Rated Current: 32 A

• Rated Operational Voltage (Ue): 1000 V DC

• Poles: 2P (Double Pole)

• Breaking Capacity: Complies with IEC 60947-3 for DC switches

• Operation: Manual handle with locking function

• Mounting Method: Panel or rail mounting

• Ambient Temperature: -25 °C to +60 °C

• Protection Degree: IP20 / IP40 (depending on installation)

• Standards: IEC 60947-3

3. Key Advantages and Features

• High Safety: Provides reliable disconnection with lockout for safe maintenance

• High Voltage Resistant: Suitable for high-voltage DC systems, prevents arcs and overvoltage

• Easy Operation: Intuitive manual handle for field use

• Compact and Durable: Space-saving, industrial-grade materials ensure long life

• Wide Compatibility: Suitable for PV, ESS, and industrial DC systems

4. Typical Applications

• Photovoltaic (PV) systems

• Energy Storage Systems (ESS)

• EV charging equipment

• Industrial DC distribution systems

• Telecom base station DC power supply

5. Installation and Usage Notes

• Confirm rated current and voltage match the system before installation

• Ensure the switch is de-energized during installation and operation

• Do not exceed rated breaking capacity

• Periodically inspect handle and terminal tightness

• Maintain ventilation around the switch to prevent overheating

The structure and details of the product：

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