Schneider A9F94320 Miniature Circuit Breaker (MCB), Acti9 iC60L, 3P C20A 15kA

The Schneider Electric A9F94320 is a 3-pole, 20 A miniature circuit breaker (MCB) from the Acti 9 iC60L series, featuring a type C tripping characteristic and thermomagnetic protection technology. It operates on both AC and DC networks, delivering a breaking capacity of 25 kA (Icu) at 380-415 V AC per IEC 60947-2 and 15 kA (Icn) at 400 V AC per IEC 60898-1.

Technical specifications:

• Commercial reference: A9F94320
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Acti 9 iC60
• Number of poles: 3P
• Number of protected poles: 3
• Rated current (In): 20 A
• Tripping curve: C
• Network type: AC / DC
• Protection technology: Thermomagnetic
• Breaking capacity (Icn): 15 kA at 400 V AC, per IEC 60898-1
• Breaking capacity (Icu): 25 kA at 380-415 V AC; 20 kA at 440 V AC; 25 kA at 102-144 V DC; per IEC 60947-2
• Rated insulation voltage (Ui): 500 V AC
• Rated impulse withstand voltage (Uimp): 6 kV
• Limitation class: 3
• Overcurrent protection limit: 8 x In +/- 20%
• Usage category: Category A per IEC 60947-2
• Mounting: DIN rail
• Dimensions (W x H x D): 54 x 85 x 78.5 mm
• Weight: 0.375 kg
• IP protection rating: IP20
• Operating temperature: -35 to 70°C
• Overvoltage category: IV
• Connection: 1-25 mm² rigid / 1-16 mm² flexible; tightening torque 2 N.m
• Mechanical durability: 20,000 cycles
• Electrical durability: 10,000 cycles

Features and benefits:

• High breaking capacity of 25 kA (Icu) at 380-415 V AC for protection in demanding industrial installations.
• Compatible with both AC and DC networks, suitable for photovoltaic and mixed-network systems.
• Limitation class 3 reduces let-through energy, protecting downstream equipment during short-circuit events.
• Approved for use as an isolator per IEC/EN 60898-1 and IEC/EN 60947-2, eliminating the need for a separate isolation device.
• Built-in trip indicator enables fast local fault diagnosis.

Applications:

• Overcurrent and short-circuit protection in industrial and commercial distribution boards.
• Circuit protection in AC/DC hybrid and photovoltaic power systems.
• Branch circuit breaker in switchboards and motor control centres.
• Isolation switching in final distribution panels.

Compliant with IEC 60898-1, EN 60898-1, IEC 60947-2, and EN 60947-2. Part of the Schneider Electric Acti 9 iC60 range.

Also known as: Schneider A9F94320, Schneider Electric A9F94320, iC60L 3P 20A MCB, Acti9 3-pole circuit breaker.