Schneider miniature circuit breaker Acti9 iC40N, characteristic curve B, 3P+N, 20A - A9P44720

Schneider Electric Acti9 iC40N miniature circuit breaker 20A B-characteristic – A9P44720 (3P+N)

The Schneider Electric A9P44720 is a high-quality miniature circuit breaker (MCB) from the Acti9 iC40N series with three protected poles and neutral (3P+N) . With a 20 A rated current and B-characteristic, it reliably protects circuits with low inrush currents – ideal for lighting, sockets, and general building distribution.

Its compact design, high switching capacity and sustainable construction make it the ideal choice for installations in residential, commercial and industrial buildings.

Technical product features

• Manufacturer: Schneider Electric
• Series: Acti9 iC40N
• Article number: A9P44720
• EAN: 3606481326072
• Number of poles: 3P+N (three protected poles + neutral conductor)
• Characteristic curve: B (magnetic release at 3–5 × In)
• Rated current: 20 A
• Network type: AC
• Operating voltage [Ue]: 400 V AC, 50/60 Hz
• Rated insulation voltage [Ui]: 440 V AC
• Impulse voltage withstand [Uimp]: 4 kV
• Triggering technology: Thermomagnetic
• Switching capacity:
  • 6,000 A according to EN/IEC 60898-1
  • 10,000 A according to EN/IEC 60947-2
• Rated operational breaking capacity [Ics]:
  • 6,000 A (100% Icn)
  • 7,500 A (75% Icn)
• Contact position indicator: ON/OFF and trigger indicator
• Limitation class: 3
• Control: Toggle switch

Connection and installation data

• Mounting: DIN rail, 6 modules (9 mm pitch), clip-on
• Clamps: Tunnel clamps top/bottom
  • Flexible: 1–10 mm²
  • Rigid: 1–16 mm²
• Tightening torque: 2 Nm
• Wire stripping length: 14 mm
• Locking mechanism: Padlock option available
• Protection class: IP20 (IP40 inside housing)
• Permissible installation height: up to 2,000 m

Dimensions and lifespan

• Height: 85 mm
• Width: 54 mm
• Depth: 74 mm
• Weight: 345 g
• Mechanical lifespan: 20,000 switching cycles
• Electrical lifespan: 20,000 switching cycles
• Operating temperature: -25 to +70 °C
• Storage temperature: -40 to +85 °C
• Relative humidity: up to 95% at 55°C

Shipping costs: free shipping within the EU for orders over €149; for orders under €149, we charge €5.90 shipping costs.

Switzerland: flat rate €25.00

Returns: You can cancel your purchase within 14 days of receipt and then return the products to us. Please note that for sustainability reasons and a fair pricing philosophy, we only cover return shipping costs in the case of a defect or warranty claim.

Schneider Electric Austria Ges.mbH
EURO PLAZA, Am Euro Platz 2 / Staircase 6 / 3rd floor
A-1120 Vienna
office.at@se.com