A9F78363

Schneider Electric A9F78363 — Miniature Circuit Breaker

Schneider Electric A9F78363 Miniature Circuit Breaker, 3P, 63A, B Curve, 6000A/10kA. The Schneider Electric A9F78363 is a robust 3-pole Miniature Circuit Breaker from the Acti9 iC60 series, engineered for critical final distribution circuits. This high-performance MCB offers a rated current of 63A with a B tripping curve, ensuring reliable protection against overloads and short circuits. It boasts significant breaking capacities of 6000A (IEC/EN 60898-1) and 10kA (IEC/EN 60947-2), making it suitable for demanding electrical systems. Compatible with both AC and DC networks at 50/60 Hz, the A9F78363 supports a wide range of operational voltages, including 220-240V AC and 380-415V AC, crucial for the Egypt and Gulf regions. Its thermal-magnetic trip unit provides dependable protection, while its IP20 rating and 35mm DIN rail mounting simplify installation and integration. This MCB is vital for safeguarding electrical infrastructure in diverse industries such as water treatment, oil and gas facilities, food and beverage production, and large building services. With excellent electrical and mechanical durability, the Schneider Electric A9F78363 ensures long-term operational integrity.

Details

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Specifications

Depth
78.5 mm
Width
54 mm
Height
85 mm
Curve code
B
Net weight
0.375 Kg
Network type
AC, DC
Mounting support
35 mm DIN rail
Breaking capacity
6000A (IEC/EN 60898-1), 10kA (IEC/EN 60947-2)
Network frequency
50/60 Hz
Poles description
3P
Tightening torque
3.5 N.M top or bottom
[In] rated current
63 A
Trip unit technology
Thermal-magnetic
Electrical durability
10000 Cycles
IP degree of protection
IP20
Manufacturer part number
A9F78363
Number of protected poles
3
Product or component type
Miniature circuit-breaker
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, <= 180 V DC
Ambient air temperature for operation
-35…70 °C

Product documentation

View manufacturer document (PDF)