The Schneider OSMC32N3D40 is a 3-pole (3P) molded case circuit breaker designed for protecting electrical circuits against overloads and short circuits. It is part of Schneider Electric's OSMC series, which offers high-performance protection for industrial, commercial, and residential applications.
Description:
Model: OSMC32N3D40
Type: MCCB (Molded Case Circuit Breaker)
Poles: 3 (Three-phase protection)
Rated Current: 40 A
Rated Voltage: 400 V AC
Tripping Characteristics: Thermal-Magnetic (providing both overload and short-circuit protection)
Application: Designed for protecting motors, feeders, and other electrical circuits in low-voltage distribution systems.
Mounting: Din rail mounted or panel-mounted
Standards Compliance: IEC 60947-2, UL 489, CCC (China Compulsory Certification)
Parameters:
Rated Current (In): 40 A
Number of Poles: 3 (for 3-phase circuits)
Rated Voltage (Ue): 400 V AC (standard for industrial applications)
Breaking Capacity (Icu): 25 kA at 400 V AC (withstanding short-circuit conditions)
Rated Insulation Voltage (Ui): 690 V
Tripping Characteristics:
Overload: Thermal protection (adjustable)
Short-circuit: Magnetic protection (instantaneous trip)
Frequency Range: 50/60 Hz
Protection Type: Overload, short-circuit, and under-voltage protection
Auxiliary Contacts: Available for signaling or remote control
Temperature Range: -5°C to +40°C
Mechanical Durability: 10,000 cycles
Electrical Durability: 6,000 cycles
Connection Type: Screw terminals
Dimension (H x W x D): Typically around 145 mm x 80 mm x 115 mm (dimensions vary slightly with configurations)