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Schneider Electric A9R44440 Residual Current Breaker

The Acti 9 iID residual current circuit breaker is a 4-pole device rated at 40A with a sensitivity of 300mA, designed for AC networks. It features instantaneous earth-leakage protection, a toggle control, and clip-on DIN rail mounting support. With a compact size of 91 mm height, 72 mm width, and 73.5 mm depth, it offers reliable performance with a mechanical durability of 20,000 cycles and electrical durability of 15,000 cycles for AC-1. Suitable for industrial and commercial electrical systems, it complies with IEC standards, including IP40 protection, and provides trusted earth-leakage fault detection and safety.

Authorized Distributors
Source:DigiKey
Part No:A9R44440
Stock:0
Inv Date:06-07-2026
Price: Unit price: $389.94
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Part No:A9R44440
Stock:0
Inv Date:06-08-2026
Price: Unit price: $372.85
Buy/RFQ:
Part No:A9R44440
Stock:0
Inv Date:06-07-2026
Price: Unit price: $397.34
Buy/RFQ:

Schneider Electric A9R44440 Residual Current Breaker Specifications:

  • Rated current: 40A
  • Poles: 4P
  • Earth-leakage sensitivity: 300mA
  • Network type: AC
  • Rated operational voltage: 380-415 V AC
  • Rated breaking and making capacity: 1500 A
  • Rated short-circuit capacity: 10 kA
  • Insulation voltage: 500 V AC
  • Impulse withstand voltage: 6 kV
  • Surge current: 250A
  • Height: 91 mm
  • Width: 72 mm
  • Depth: 73.5 mm
  • Weight: 0.37 kg
  • Environmental standards: EN/EC 61008-1
  • IP protection: IP40
  • Pollution degree: 3
  • Ambient operating temperature: -5°C to 60°C
  • Mechanical durability: 20,000 cycles
  • Electrical durability: 15,000 cycles (AC-1)
  • Control: Toggle
  • Mounting: DIN rail clip-on
  • Wire connection: Rigid 1…35 mm², Flexible 1…25 mm², with ferrule
  • Tightening torque: 3.5 N·m
  • Standards: IEC 61008-1
  • Certifications: RoHS, WEEE compliant
  • Sustainable status: Green Premium

Buy the Buy Acti 9 iID Residual Current Circuit Breaker Part Number A9R44440 Online

Secure your electrical installations with the reliable Acti 9 iID residual current breaker. Designed for commercial and industrial use, it offers instantaneous earth-leakage detection, easy DIN rail mounting, and robust electrical durability. With a rated current of 40A and sensitivity of 300mA, it guarantees safety and compliance with IEC standards. This compact device features toggle control, IP40 protection, and a long lifespan, making it an ideal choice for safeguarding electrical systems and preventing faults efficiently. Purchase online today for dependable performance and safety assurance.

Order your Acti 9 SeriesA9R44440 residual current breaker today and ensure reliable earth-leakage protection for your electrical systems.

Frequently Asked Questions

Where can I buy Schneider Electric A9R44440?

You can click on the BUY or RFQ button to purchase A9R44440 from an authorized Schneider Electric distributor.

How do I troubleshoot issues or seek technical support for part A9R44440?

You can download the A9R44440 datasheet or visit the Schneider Electric website for support.

Who is the manufacturer of A9R44440?

Schneider Electric

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