| circuit breaker 3VA1 IEC frame 250 breaking capacity class S Icu=36kA @ 415V 4-pole, line protection TM240, ATAM, In=250A overload protection Ir=175A...250A short-circuit protection Ii=5...10 x In N conductor unprotected nut keeper kit |
| Model |
| Product brand name | SENTRON |
| Product designation | Molded case circuit breaker |
| Product version | Line protection |
| Design of the overcurrent release | TM240 |
| Protective function of the overcurrent release | LI |
| Number of poles | 4 |
| General technical data |
| Rated insulation voltage Ui | 800 V |
| Max. rated operational voltage Ue with AC 50/60Hz | 690 V |
| Max. rated operational voltage Ue with DC | 600 V |
| Power loss [W] / maximum | 57 W |
| Active power loss / for rated value of the current / at AC / in hot operating state / per pole | 19 W |
| Latching - endurance | 15 000 |
| Electrical endurance (switching cycles) / at AC-1 / at 380/415 V 50/60 Hz | 8 000 |
| Electrical endurance (switching cycles) / at AC-1 / at 690 V 50/60 Hz | 5 000 |
| Neutral conductors / upgradeable/retrofittable | No |
| Ground fault monitoring version | Without |
| Product function | |
| communication function | No |
| other measurement function | No |
| Net weight | 2.099 kg |
| Electricity |
| Max. rated operational voltage of the size of the circuit-breaker | 250 A |
| Rated continuous current Iu | 250 A |
| Operating current | |
| at 40 °C | 250 A |
| at 45 °C | 250 A |
| at 50 °C | 250 A |
| at 55 °C | 243.3 A |
| at 60 °C | 236.5 A |
| at 65 °C | 229.8 A |
| at 70 °C | 223 A |
| Switching capacity according to IEC 60947 |
| Switching capacity class of the circuit breaker | S |
| Maximum short-circuit current breaking capacity (Icu) | |
| at 240 V | 55 kA |
| at 415 V | 36 kA |
| at 440 V | 25 kA |
| at 690 V | 7 kA |
| Operational short-circuit current breaking capacity (Ics) | |
| at 240 V | 55 kA |
| at 415 V | 36 kA |
| at 440 V | 25 kA |
| at 690 V | 5 kA |
| Short-circuit current making capacity (Icm) | |
| at 240 V | 121 kA |
| at 415 V | 76 kA |
| at 440 V | 53 kA |
| at 690 V | 11.9 kA |
| Adjustable parameters |
| Adjustable response value current / lr min. | 175 A |
| Adjustable response value current / Ir max. | 250 A |
| Short-term delayed / tripping switchable / I2t=ON/OFF | No |
| Adjustable response value current / li min. | 1 250 A |
| Adjustable response value current / li max. | 2 500 A |
| Design of the N-conductor protection | Without |
| Ground fault protection / tripping switchable / I2t=ON/OFF | No |
| Mechanical Design |
| Height [in] | 6.2 in |
| Height | 158 mm |
| Width [in] | 5.5 in |
| Width | 140 mm |
| Depth [in] | 2.8 in |
| Depth | 70 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. | 13 x 1 |
| Type of connectable conductor cross-section, connection screw, width x thickness , max. | 25 x 8 |
| 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 |
