ABB AL30-30-10 1SBL283001R8810 DC Contactor

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1. Product Overview

The ABB AL30-30-10 1SBL283001R8810 DC Contactor is a direct current switching device used in ABB industrial control systems to manage and protect DC circuits.
It provides fast and reliable switching of DC circuits, suitable for power electronics, drive systems, and battery-powered applications, ensuring safe and stable operation.

2. Main Technical Specifications (Typical)

• Model: AL30-30-10

• ABB Part Number: 1SBL283001R8810

• Product Type: DC Contactor

• Rated Voltage: DC 24V / 48V / 110V / 220V (depending on system configuration)

• Rated Current: 30 A

• Poles: 3 poles

• Mechanical Life: > 1,000,000 operations

• Electrical Life: > 100,000 operations (depending on load)

• Insulation Class: Class F / ≥ 2.5 kV

• Operating Time: Typically 20–40 ms

• Mounting: Screw fixed or DIN rail installation

• Operating Temperature: -25 ℃ to +55 ℃

3. Key Advantages and Features

1. High Reliability and Durability

   • Long mechanical and electrical life

   • Stable under high switching frequency

2. Fast Switching Performance

   • Short operating time ensures rapid current interruption

   • Suitable for high-dynamic control applications

3. Modular Design

   • DIN rail or screw mounting

   • Easy system integration and maintenance

4. Wide Voltage and Current Compatibility

   • Supports DC 24V, 48V, 110V, 220V

   • Suitable for various DC systems

5. Industrial-Grade Safety

   • High insulation class

   • Protects against overcurrent and short-circuit risks

4. Typical Applications

• ABB industrial drives and DC power systems

• Battery-powered devices and UPS systems

• Electric vehicles, railways, and electric transport

• Renewable energy systems (PV, energy storage)

• Industrial automation DC control

• Motor control and DC power switching

5. Installation and Maintenance Notes

1. Verify Rated Voltage and Current

   • Ensure the contactor rating matches system voltage and load current

2. Power-Off Before Installation

   • Disconnect DC power before installing or removing the contactor

3. Proper Wiring

   • Secure wire connections

   • Avoid interference between signal and high-current cables

4. Environmental Protection

   • Avoid high temperature, humidity, and corrosive environments

   • Ensure good ventilation

5. Periodic Inspection

   • Check mechanical operation and electrical contacts

   • Ensure long-term stable operation