Schneider Electric 32751 Compact NS400L Circuit Breaker, 320 A, 3P
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Schneider Electric 32751 is a Compact NS400L fixed-mount circuit breaker for AC and DC motor-protection applications. It features three protected poles, an MA 320 A magnetic trip unit, rated operational voltage up to 690 V AC or 750 V DC, and an ultimate breaking capacity of 150 kA at 220/240 V AC and 380/415 V AC.
| Brand | Schneider Electric |
| Manufacturer Part Number | 32751 |
| EAN | 3303430327516 |
| Range | Compact NS100…630 |
| Device Short Name | Compact NS400L |
| Product Type | Circuit breaker |
| Application | Motor protection |
| Pole Configuration | 3P, three protected poles |
| Network Type | AC and DC |
| Frequency | 50/60 Hz |
| Rated Current | 400 A at 40 °C; 320 A at 65 °C |
| Rated Operational Voltage | 690 V AC; 750 V DC |
| Rated Insulation Voltage | 750 V AC |
| Impulse Withstand Voltage | 8 kV |
| Trip Unit | MA magnetic, 320 A |
| Protection Type | Magnetic short-circuit protection |
| Ultimate Breaking Capacity | 150 kA at 220/240 V AC; 150 kA at 380/415 V AC; 130 kA at 440 V AC; 100 kA at 500/525 V AC; 75 kA at 660/690 V AC |
| Utilisation Category | Category A |
| Control Type | Toggle |
| Mounting | Fixed, backplate mounting |
| Connections | Front connection, top and bottom |
| Mechanical Durability | 15,000 cycles |
| Dimensions | 255 x 140 x 110 mm |
| Protection Ratings | IP40; IK07 |
| Operating Temperature | -25 to 70 °C |
| Standard | IEC 60947-2 |
| Certifications | ASTA, KEMA, LCIE, ASEFA |
Typical applications: Motor control centers, industrial distribution panels, machinery protection systems, and AC or DC motor circuits requiring fixed three-pole magnetic short-circuit protection.
Apexon Supply provides B2B sourcing and replacement support for Schneider Electric 32751 Compact NS400L. Verify the rated current at the applicable ambient temperature, network voltage, breaking capacity, trip-unit characteristics, mounting arrangement, and connection requirements before replacement.
Send the MPN, required quantity, system voltage, motor rating, and fault-level requirements to request a B2B quote and technical alignment support.
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