A9F74340

Schneider Electric A9F74340 — Miniature Circuit Breaker

Schneider Electric A9F74340 iC60N Miniature Circuit Breaker 3P 40A C-curve. The Schneider Electric A9F74340 is a high-performance Acti9 iC60N Miniature Circuit Breaker, engineered to deliver reliable protection for final distribution circuits. This 3-pole device features a 40A rated current and a C-curve thermal-magnetic trip unit, suitable for both AC and DC networks. It boasts a formidable breaking capacity of 6000A (IEC/EN 60898-1) at 400V AC and 10kA (IEC/EN 60947-2) at 380-415V AC, alongside flexible operational voltage ratings up to 440V AC and 180V DC. Designed for 35 mm DIN rail mounting, the Schneider Electric A9F74340 ensures quick and secure installation. Its IP20 protection makes it suitable for various industrial environments. This versatile circuit breaker is an essential component for critical applications across Egypt and the Gulf, including motor control in cement plants, lighting and power distribution in oil and gas facilities, water treatment plants, food and beverage processing, textile manufacturing, and general building services. For robust electrical safety and uninterrupted operations, choose the Schneider Electric A9F74340.

Details

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Specifications

Depth
78.5 Mm
Width
54 Mm
Height
85 Mm
Curve code
C
Net weight
0.375 Kg
Network type
AC, DC
Local signalling
Trip indicator
Mounting support
35 mm DIN rail
Network frequency
50/60 Hz
Poles description
3P
Tightening torque
3.5 N.M top or bottom
[In] rated current
40 A
Trip unit technology
Thermal-magnetic
Wire stripping length
14 Mm for top or bottom connection
IP degree of protection
IP20 conforming to IEC 60529, IP40 in modular enclosure (Insulation class II) conforming to IEC 60529
Manufacturer part number
A9F74340
Number of protected poles
3
Suitability for isolation
Yes conforming to EN/IEC 60898-1, Yes conforming to EN/IEC 60947-2
[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, <= 180 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
Ambient air temperature for operation
-35…70 °C

Product documentation

View manufacturer document (PDF)