Schneider Electric A9F85440 Miniature Circuit Breaker

Schneider Electric A9F85440 Miniature Circuit Breaker

Schneider Electric A9F85440 iC60H Miniature Circuit Breaker 4P 40A D-Curve. The Schneider Electric A9F85440 is a robust Acti9 iC60H Miniature Circuit Breaker (MCB) designed for reliable protection in final distribution circuits. This 4-pole, 40 A, D-curve thermal-magnetic breaker is suitable for both AC and DC networks, offering versatile application across the demanding environments of Egypt and the Gulf. It boasts a breaking capacity of 10000 A Icn at 400 V AC conforming to EN/IEC 60898-1, and 15 kA Icu at 380-415 V AC or <= 250 V DC conforming to EN/IEC 60947-2. The unit provides essential circuit isolation capabilities and mounts easily on a 35 mm DIN rail, making installation straightforward. With an IP20 degree of protection (IP40 in a modular enclosure) and an operating temperature range of -35 to 70 °C, the A9F85440 is built for durability. It is ideal for critical power distribution in sectors such as oil and gas, cement production, water treatment, building services, and food and beverage processing.

Details

Category

Acti9 iC60 Miniature Circuit Breakers

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Specifications

Depth
78.5 Mm
Width
72 Mm
Height
85 Mm
Curve code
D
Net weight
0.5 Kg
Network type
AC, DC
Mounting support
35 mm DIN rail
Poles description
4P
[In] rated current
40 A
Trip unit technology
Thermal-magnetic
Electrical durability
10000 Cycles
Mechanical durability
20000 Cycles
IP degree of protection
IP20 (IEC 60529); IP40 in modular enclosure (Insulation class II, IEC 60529)
Manufacturer part number
A9F85440
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; <= 250 V DC
Breaking capacity (IEC/EN 60898-1)
10000 A Icn at 400 V AC 50/60 Hz
Ambient air temperature for operation
-35…70 °C
Breaking capacity (IEC/EN 60947-2, AC)
15 kA Icu at 380...415 V AC 50/60 Hz
Breaking capacity (IEC/EN 60947-2, DC)
15 kA Icu at <= 250 V DC

Product documentation

View manufacturer document (PDF)