Description
The Schneider Electric (Square D) M9F23332 is a robust miniature circuit breaker (MCB) engineered for reliable overcurrent and short-circuit protection in commercial and industrial electrical distribution systems. With a 3-pole configuration, 32-amp rated current, and a 10kA breaking capacity, this breaker is built to handle demanding load requirements while safeguarding equipment and wiring from damage.
Key Features
- 3-Pole (3P) configuration for three-phase circuit protection
- 32A rated current for medium-duty load applications
- 10kA breaking capacity (short-circuit interrupting rating)
- D Curve trip characteristic — ideal for loads with high inrush currents such as motors, transformers, and solenoids
- Compact DIN rail-mount design for easy panel installation
- Manufactured by Schneider Electric under the trusted Square D brand
D Curve Trip Characteristic
The D Curve trip profile is specifically designed for circuits where high inrush or startup currents are expected. It provides a higher instantaneous trip threshold (typically 10–20× rated current), preventing nuisance tripping while still delivering fast, decisive protection against genuine fault conditions. This makes the M9F23332 an excellent choice for motor control panels, HVAC equipment, and other inductive or capacitive loads.
Specifications
- SKU / Part Number: M9F23332
- Brand: Schneider Electric (Square D)
- Poles: 3 (3P)
- Rated Current: 32A
- Breaking Capacity: 10kA
- Trip Curve: D Curve
- Mounting: DIN Rail
Applications
- Commercial and industrial electrical distribution panels
- Motor control centers and HVAC equipment panels
- Three-phase power distribution circuits
- Circuits with high inrush or startup current loads
- Building automation and mechanical room electrical systems
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