Schneider A9F77140| Miniature circuit-breaker, Acti9 iC60N, 1P, 40 A, C curve, 6000 A (IEC 60898-1), 10 kA (IEC 60947-2)

Product Overview: Schneider A9F77140 | Miniature Circuit Breaker (MCB) – Acti9 iC60N – 1P – 40A – C Curve – 6000A (IEC 60898-1), 10kA (IEC 60947-2)

The Schneider Electric A9F77140 is a single-pole miniature circuit breaker (MCB) from the advanced Acti9 iC60N series. It delivers high-performance protection for electrical circuits, rated at 40 Amperes with a C-curve tripping characteristic. This MCB offers 6000 A breaking capacity per IEC 60898-1 and 10 kA per IEC 60947-2, ensuring safety in both residential and industrial installations.

Key Features:

• Brand: Schneider Electric

• Series: Acti9 iC60N

• Model Number: A9F77140

• Device Type: Miniature Circuit Breaker (MCB)

• Poles: 1P (Single Pole)

• Rated Current (In): 40 Amperes

• Tripping Curve: C Curve

• Breaking Capacity:
  – 6 kA (IEC/EN 60898-1)
  – 10 kA (IEC/EN 60947-2)

• Rated Operational Voltage: 230/240 V AC

• Frequency: 50/60 Hz

Technical Specifications:

• Mounting: DIN Rail (35 mm standard)

• Terminal Capacity: 1.5 to 25 mm² cables

• Degree of Protection: IP20 (IP40 when installed in enclosure)

• Mechanical Durability: 20,000 operations

• Electrical Durability: 10,000 operations

• Operating Temperature: -25°C to +70°C

• Standards Compliance:
  – IEC/EN 60898-1
  – IEC/EN 60947-2

Functional Capabilities:

• C Curve Tripping Behavior:
  – Trips at 5 to 10 times the rated current
  – Ideal for general-purpose applications with moderate inrush currents

• Integrated Protection:
  – Overload protection
  – Short-circuit protection

• Visual Indicator:
  – Clear ON/OFF/trip position

• Accessory Compatibility:
  – Works with Acti9 iOF, iSD, iMN, iMX auxiliary modules

Typical Applications:

• Sub-circuit protection in residential and commercial installations

• HVAC and motor control systems with moderate starting currents

• Panel boards in industrial environments

• Machine and process automation setups

Advantages of A9F77140:

•  High short-circuit protection capacity

•  Compact and modular for easy panel integration

•  Enhanced electrical and mechanical durability

•  Supports auxiliary functions for advanced monitoring

•  Schneider Electric quality and reliability

Recommended For:

• Electrical contractors and panel builders

• Commercial electricians and MEP engineers

• Facility maintenance teams

• Builders of modular electrical distribution systems