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Schneider Electric 32751 Compact NS400L Circuit Breaker, 320 A, 3 Poles
Regular price
$900.00 USD
Regular price
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$900.00 USD
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Overview
Schneider Electric’s Compact NS400L is a fixed-mount, toggle-operated circuit breaker designed for AC or DC motor applications up to 320 A at 65 °C. Built on the Compact NS100…630 range, it delivers high short-circuit performance (up to 150 kA Icu) with an MA magnetic trip unit and positive contact indication, all within an IP40, IK07 protected housing.
Key Features
- Rated current: 320 A (65 °C) / 400 A (40 °C)
- High breaking capacity: up to 150 kA Icu at 220/240 V AC
- 3-pole protection with MA magnetic trip unit
- Dual-network compatibility: 50/60 Hz AC and DC
- Mechanical durability: 15 000 cycles
- IP40, IK07 enclosure with front-access connections
| Product ID (MPN) | 32751 |
| EAN Code | 3303430327516 |
| Product Type | Circuit breaker |
| Range | Compact NS100…630 |
| Device Short Name | Compact NS400L |
| Application | Motor protection |
| Poles | 3P (protected poles: 3t) |
| Network Type | AC / DC |
| Frequency | 50/60 Hz |
| Rated Current | 400 A @ 40 °C / 320 A @ 65 °C |
| Rated Operational Voltage (Ue) | 690 V AC; 750 V DC |
| Rated Insulation Voltage (Ui) | 750 V AC |
| Impulse Withstand Voltage (Uimp) | 8 kV |
| Breaking Capacity Code | L |
| Breaking Capacity (NEMA AB1) | 200 kA @ 240 V AC; 130 kA @ 480 V AC; 50 kA @ 600 V AC |
| Icu (IEC 60947-2) | 150 kA @ 220/240 V AC; 150 kA @ 380/415 V AC; 130 kA @ 440 V AC; 100 kA @ 500/525 V AC; 75 kA @ 660/690 V AC |
| Ics (IEC 60947-2) | 150 kA @ 220/240 V AC; 150 kA @ 380/415 V AC; 130 kA @ 440 V AC; 100 kA @ 500/525 V AC; 75 kA @ 660/690 V AC |
| Isolation Capability | Yes (IEC 60947-2) |
| Utilisation Category | Category A |
| Trip Unit | MA, Magnetic, 320 A |
| Protection Type | Short-circuit (magnetic) |
| Pollution Degree | 3 (IEC 60947) |
| Control Type | Toggle |
| Mounting Mode | Fixed, backplate |
| Connection (Top/Bottom) | Front / Front |
| Mechanical Durability | 15 000 cycles |
| Electrical Durability | 12 000 cycles @ 0.5 In (440 V AC); 6 000 cycles @ In (440 V AC) |
| Connection Pitch | 45 mm |
| Local Signalling | Positive contact indication |
| Dimensions (H × W × D) | 255 mm × 140 mm × 110 mm |
| IP Protection | IP40 (IEC 60529) |
| IK Protection | IK07 (EN 50102) |
| Operating Temperature | -25 … 70 °C |
| Storage Temperature | -50 … 85 °C |
| Standards | IEC 60947-2 |
| Certifications | ASTA, KEMA, LCIE, ASEFA |
| Mechanical Warranty | 18 months |
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