ABB 1SFN075407R1000 Contactor

• 1. Product Overview

  ABB 1SFN075407R1000 Contactor is an AC contactor designed for low-voltage power systems. It is used for frequent switching of circuits, motor control, and other loads. The compact and reliable design makes it suitable for industrial automation and commercial distribution systems.

  It enables safe remote control and circuit switching for motors and equipment during start, stop, and overload conditions.

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  2. Main Technical Data

  General

  • Product type: AC Contactor

  • Model: 1SFN075407R1000

  • Rated operating voltage (Ue): 690 V AC

  • Rated current (Ie): 75 A (AC-3, 400 V)

  • Poles: 3P

  • Coil voltage: 230 V AC (50/60 Hz)

  • Rated operation types: AC-1 / AC-3

  Electrical Characteristics

  • Mechanical life: ≥10,000,000 operations

  • Electrical life: ≥1,000,000 operations (AC-3, rated load)

  • Overload capacity: Complies with IEC 60947-4-1

  • Contact material: Silver alloy contacts, arc-resistant

  Mechanical & Environment

  • Mounting: DIN rail or panel

  • Housing material: High-strength flame-retardant plastic

  • Operating temperature: –25°C to +60°C

  • Protection: IP20

  Standards & Certification

  • IEC 60947-4-1, EN 60947-4-1

  • CE certified

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  3. Key Advantages and Features

  1. High reliability: Suitable for frequent operation, ensuring stable industrial control.

  2. Long lifespan: Mechanical life ≥10,000,000 cycles, electrical life ≥1,000,000 cycles.

  3. Compact design: Saves control cabinet space, easy to install and wire.

  4. Excellent contact performance: Silver alloy contacts resist arcing, reducing maintenance.

  5. Flexible installation: Supports DIN rail or panel mounting, adaptable to various environments.

  6. Versatile application: Suitable for motors, heaters, lighting, and other loads.

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  4. Typical Applications

  • Industrial automation control systems

  • Motor start and control

  • Distribution systems and switchboards

  • Heater, pump, and compressor control

  • Commercial building electrical control

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  5. Installation and Operation Notes

  1. Verify ratings: Ensure voltage, current, and coil voltage match the system.

  2. Proper installation: Install on DIN rail or panel according to the manual.

  3. Operational safety: Check contact status before energizing.

  4. Environmental conditions: Avoid high humidity, dust, and corrosive environments.

  5. Regular maintenance: Inspect contacts and screws to ensure long-term reliability.

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The structure and details of the product：

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