Schneider C40F42D400 NSX400F MCCB 400A 4P TMA 36kA

The Schneider Electric C40F42D400 is a 4-pole 400 A molded case circuit breaker from the ComPact NSX new generation range with a rated ultimate breaking capacity of 36 kA at 380/415 V AC per IEC 60947-2. It features the electronic Micrologic 2.3 protection unit delivering LSoI protection: long-time overload, short-time, and instantaneous short-circuit protection.

Technical specifications:

• Commercial reference: C40F42D400
• Manufacturer: Schneider Electric
• EAN:
• Series / range: ComPact NSX new generation
• Product type: Molded case circuit breaker (MCCB)
• Number of poles: 4P
• Rated current [In]: 400 A at 40°C
• Rated voltage [Ue]: 690 V AC 50/60 Hz
• Rated ultimate breaking capacity [Icu]: 36 kA at 380/415 V AC / 40 kA at 220/240 V AC / 10 kA at 660/690 V AC (IEC 60947-2)
• Protection unit: Micrologic 2.3, electronic, LSoI
• Long-time pick-up [Ir] adjustment: 160...400 A, 9 settings
• Short-time pick-up [Isd] adjustment: 1.5...10 x Ir, 9 settings
• Instantaneous pick-up [Ii]: 4800 A (fixed)
• Mounting: Fixed, rear plate
• Electrical auxiliaries slots: 6
• IP rating: IP40 (IEC 60529), IK07 (IEC 62262)
• Operating temperature: -25...70°C
• Dimensions (W x H x D): 185 x 255 x 110 mm
• Weight: 7.9 kg
• Standard: EN/IEC 60947-2

Features and benefits:

• Adjustable Micrologic 2.3 electronic protection with 9 settings for both long-time and short-time pick-up
• LED local signalling: device ready (green), overload at 90% Ir (orange), overload at 105% Ir (red)
• Thermal memory retains thermal state for 20 minutes before and after tripping
• 6 slots for electrical auxiliaries enabling flexible panel configuration
• Suitable for isolation per EN/IEC 60947-2, utilization category A

Applications:

• Main incoming protection in industrial and commercial power distribution panels
• Feeder circuit protection in medium and low-voltage distribution systems
• Protection of transformer secondaries and heavy industrial loads

Compliant with EN/IEC 60947-2. Part of the Schneider Electric ComPact NSX new generation range.

Also known as: Schneider C40F42D400, Schneider Electric C40F42D400, NSX400F 4P MCCB, ComPact NSX 400A circuit breaker.