| Manufacturer part number (MPN) | C4031M320 |
| EAN / GTIN | 3606482003088 |
| Sales unit | pcs |
| Package quantity | 4 pcs |
| Number of poles | 3P |
| Rated current | 320 A |
| Trip unit | Micrologic 1.3 |
| Range | ComPacT |
| Range of product | ComPacT NSX400...630 |
| Product or component type | Trip unit |
| Trip unit name | MicroLogic 1.3 M |
| Trip unit technology | Electronic |
| Range compatibility | ComPacT NSX400; ComPacT NSX630 |
| Device application | Motor |
| Poles description | 3P |
| Protected poles description | 3D |
| Trip unit protection functions | SI |
| Protection type | S : for short time short-circuit protection with fixed delay; I : for instantaneous short-circuit protection |
| Trip unit rating | 320 A at 65 °C |
| [Ue] rated operational voltage | 690 V AC 50/60 Hz |
| Network type | AC |
| Network frequency | 50/60 Hz |
| Circuit breaker mounting mode | Fixed |
| Short-time protection pick-up adjustment type Isd | Adjustable 9 settings |
| [Isd] Short-time protection pick-up adjustment range | 1600 A; 1920 A; 2240 A; 2560 A; 2880 A; 3200 A; 3520 A; 3840 A; 4160 A |
| Short-time protection delay adjustment type tsd | Fixed |
| Instantaneous protection pick-up adjustment type Ii | Fixed |
| [Ii] instantaneous protection pick-up adjustment range | 4800 A |
| Earth-leakage protection | Without |
| Zone selective interlocking ZSI | Without |
| Local signalling | Flashing LED (green) for ready to operate |
| Standards | EN/IEC 60947-2 |
| Electrical shock protection class | Class II |
| Pollution degree | 3 conforming to IEC 60947-1 |
| IP degree of protection | IP40 conforming to IEC 60529 |
| Ambient air temperature for operation | -25…70 °C |
| Ambient air temperature for storage | -50…85 °C |
| Warranty (in months) | 18 |
| Width | 139.7 mm |
| Height | 94.6 mm |
| Depth | 112.6 mm |
| Rated permanent current Iu | 320 A |
| Short-circuit release function | Delayed |
| External power supply required | No |
| Voltage type (operating voltage) | AC |
| With ground fault protection function | No |
| Rated switch current | 320 A |
| End value adjustment range undelayed short-circuit release | 4800 A |
| Operating voltage AC 50 Hz | 690 V |
| Operating voltage AC 60 Hz | 690 V |
| Type of motor protection | Electronic release |
| Voltage type for actuating | AC |
| Current setting undelayed short-circuit release | 4800 A |
| Current setting delayed short-circuit release | 1600–4160 A |
| Country of origin | France |