ABB 1SBL351001R8811 3-pole contactor

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Product Overview

ABB 1SBL351001R8811 3-pole Contactor
The ABB 1SBL351001R8811 is a high-performance 3-pole AC contactor used for controlling industrial motors, lighting, heating, and other AC loads. It provides high durability and reliability, ensuring long-term stable operation in frequently operated environments. The contactor features a modular design, compatible with thermal overload relays and auxiliary contacts for protection and extended control.

Technical Specifications

• Model: 1SBL351001R8811

• Product Type: 3-pole AC Contactor

• Rated Operational Current (AC-3): 25 A

• Rated Operational Voltage: 690 V AC

• Coil Voltage: 230 V AC / 50–60 Hz

• Poles: 3

• Auxiliary Contacts: Optional NO/NC (with auxiliary module)

• Mechanical Life: ≥ 10⁶ operations

• Electrical Life: ≥ 10⁵ operations (AC-3 load)

• Mounting Method: DIN rail or screw mounting

• Protection Class: IP20

• Standards: IEC 60947-4-1

Advantages and Features

1. High Reliability
   Industrial-grade design suitable for frequent operations and high-load environments.

2. Multi-Functional Expansion
   Can be combined with thermal relays and auxiliary modules for overload protection and remote control.

3. Compact Design
   Modular structure saves distribution cabinet space and allows easy installation and maintenance.

4. Durable Life
   High mechanical and electrical life reduces replacement frequency and maintenance costs.

5. Safe and Stable
   IEC standard certified for reliable electrical performance and safety.

Typical Applications

• Industrial motor control and starting

• Lighting and heating system control

• Front-end switching for variable frequency drives

• Power distribution and control systems

• Automated production line equipment control

• HVAC systems and building facility management

Installation & Usage Notes

1. Ensure the contactor rated current and voltage match the load before installation.

2. Confirm correct coil voltage to avoid coil damage.

3. Avoid direct use in high humidity, dusty, or corrosive environments.

4. Regularly inspect contact condition and tighten screws to ensure reliable connection.

5. Disconnect system power before maintenance or replacement.