A9F77240

Schneider Electric A9F77240 — Miniature Circuit Breaker

Schneider Electric A9F77240 Miniature circuit breaker MCB, Acti9 iC60N, 2P 40A C-curve. The Schneider Electric A9F77240 is a robust Acti9 iC60N Miniature Circuit Breaker (MCB) designed for reliable circuit protection in final distribution applications. This 2-pole, 40A MCB features a C-curve trip unit technology, ensuring thermal-magnetic protection against overloads and short circuits. It is engineered to operate across both AC (50/60 Hz) and DC networks, supporting operational voltages up to 440 V AC and 125 V DC. Key specifications include a breaking capacity of 6000 A Icn at 400 V AC (IEC/EN 60898-1) and 10 KA Icu at 380-415 V AC (IEC/EN 60947-2), providing high-level fault current interruption. With its DIN-rail clip-on mounting and IP20 protection, the Schneider Electric A9F77240 is an ideal solution for safeguarding electrical installations in diverse environments throughout Egypt and the Gulf. It's particularly well-suited for industrial facilities like water treatment plants, food and beverage processing, textile manufacturing, as well as commercial building services, offering essential safety and operational continuity.

Details

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Specifications

Depth
78.5 Mm
Width
36 Mm
Height
85 Mm
Curve code
C
Network type
AC, DC
Mounting support
35 mm DIN rail
Network frequency
50/60 Hz
Poles description
2P
Tightening torque
3.5 N.M top or bottom
[In] rated current
40 A
Trip unit technology
Thermal-magnetic
IP degree of protection
IP20 conforming to IEC 60529, IP40 in modular enclosure (Insulation class II) conforming to IEC 60529
Manufacturer part number
A9F77240
Suitability for isolation
Yes
[Ue] rated operational voltage
12...133 V AC 50/60 Hz, 220...240 V AC 50/60 Hz, 380...415 V AC 50/60 Hz, 440 V AC 50/60 Hz, <= 125 V DC
Breaking capacity (IEC/EN 60898-1)
6000 A Icn at 400 V AC 50/60 Hz
Breaking capacity (IEC/EN 60947-2)
10 KA Icu at 380-415 V AC 50/60 Hz, 10 KA Icu at <= 125 V DC
Ambient air temperature for operation
-35…70 °C

Product documentation

View manufacturer document (PDF)