Schneider Electric NSX400 MIC2.3 400A Circuit Breaker NSX400 MIC2.3 400A 3P 4P Circuit Breaker For Industrial Power Distribution

Model: NSX400 MIC2.3 400A

Brand: Schneider Electric

Type: MCCB (Molded Case Circuit Breaker)

Frame current: 400A

Rated current: 400A

Trip unit: MicroLogic 2.3 electronic trip unit

Protection: Long time delay (L), Short time delay (S), Instantaneous (I)

Poles: 3P / 4P

Rated voltage: 690V AC

Breaking capacity: F:36kA / N:50kA / H:70kA

Standards: IEC 60947-2, GB 14047.2

Application: Power distribution, motor protection, industrial control

Frame Current: 630A

Rated Current (In): 630A (40℃)

Trip Unit: MicroLogic 2.3 Electronic Trip (LSoI Three-Stage Protection)

Number of Poles: 3P / 4P (3D/4D)

Installation Method: Fixed, Insert, Removable

• NSX630N MIC2.3 630A 3P (LV432893)
• NSX630F MIC2.3 630A 3P (LV432876)
• NSX630H MIC2.3 630A 3P (LV432895)

• Long-time Delay Protection (L): Overload protection with current adjustable from 0.4 to 1 * In, inverse time characteristic
• Short-time Delay Protection (S): Short-circuit short-time delay with current adjustable from 1.5 to 10 * In, delay 0.1 to 0.4 s
• Instantaneous Protection (I): Short-circuit instantaneous at 14 * In fixed (approximately 8820A)
• Display: LED status indicator (operating/faulting)
• Function: Isolation function compliant with IEC 60947-2 standard

• Main circuit and branch circuit protection in industrial power distribution systems
• Factory, data center, and building distribution panels
• Motor, transformer, and capacitor bank protection
• Replaces traditional air switches with precise electronic protection

Standards: IEC 60947-2, GB 14048.2

Certifications: CCC, cULus, CSA, EAC, classification society certifications