| circuit breaker 3VA2 IEC frame 630 breaking capacity class C Icu=110kA @ 415V 3-pole, starter protection ETU310M, I, In=500A without overload protection short-circuit protection Ii=3...15 x In nut keeper kit |
| Model |
| Product brand name | SENTRON |
| Product designation | Molded case circuit breaker |
| Product version | Starter protection |
| Design of the overcurrent release | ETU310M |
| Protective function of the overcurrent release | I |
| Number of poles | 3 |
| General technical data |
| Rated insulation voltage Ui | 800 V |
| Max. rated operational voltage Ue with AC 50/60Hz | 690 V |
| Power loss [W] / maximum | 99 W |
| Active power loss / for rated value of the current / at AC / in hot operating state / per pole | 33 W |
| Latching - endurance | 15 000 |
| Electrical endurance (switching cycles) / at AC-1 / at 380/415 V 50/60 Hz | 4 000 |
| Electrical endurance (switching cycles) / at AC-1 / at 690 V 50/60 Hz | 4 000 |
| Neutral conductors / upgradeable/retrofittable | No |
| Ground fault monitoring version | Without |
| Product function | |
| communication function | No |
| Phase failure detection | No |
| other measurement function | No |
| Net weight | 4.826 kg |
| Electricity |
| Max. rated operational voltage of the size of the circuit-breaker | 630 A |
| Rated continuous current Iu | 500 A |
| Operating current | |
| at 40 °C | 500 A |
| at 45 °C | 500 A |
| at 50 °C | 500 A |
| at 55 °C | 495 A |
| at 60 °C | 490 A |
| at 65 °C | 485 A |
| at 70 °C | 480 A |
| Switching capacity according to IEC 60947 |
| Switching capacity class of the circuit breaker | C |
| Maximum short-circuit current breaking capacity (Icu) | |
| at 240 V | 150 kA |
| at 415 V | 110 kA |
| at 440 V | 110 kA |
| at 690 V | 9 kA |
| Operational short-circuit current breaking capacity (Ics) | |
| at 240 V | 150 kA |
| at 415 V | 110 kA |
| at 440 V | 110 kA |
| at 690 V | 9 kA |
| Short-circuit current making capacity (Icm) | |
| at 240 V | 330 kA |
| at 415 V | 242 kA |
| at 440 V | 242 kA |
| at 690 V | 15.3 kA |
| Adjustable parameters |
| Short-term delayed / tripping switchable / I2t=ON/OFF | No |
| Adjustable response value current / li min. | 1 500 A |
| Adjustable response value current / li max. | 7 500 A |
| Ground fault protection / tripping switchable / I2t=ON/OFF | No |
| Mechanical Design |
| Height [in] | 9.8 in |
| Height | 248 mm |
| Width [in] | 5.4 in |
| Width | 138 mm |
| Depth [in] | 4.3 in |
| Depth | 110 mm |
| Connections |
| Arrangement of electrical connectors / for main current circuit | Front terminal |
| Type of electrical connection / for main current circuit | Lug terminal |
| Type of connectable conductor cross-section, connection screw, width x thickness , min. | 20 x 1 |
| Type of connectable conductor cross-section, connection screw, width x thickness , max. | 35 x 10 |
| Auxiliary circuit |
| Number of CO contacts / for auxiliary contacts | 0 |
| Accessories |
| Product extension / optional / motor drive | Yes |
| Environmental conditions |
| Protection class IP / on the front | IP40 |
| Ambient temperature | |
| during operation / minimum | -25 °C |
| during operation / maximum | 70 °C |
| during storage / minimum | -40 °C |
| during storage / maximum | 80 °C |
