Siemens 3VA12255EF320AA0
circuit breaker 3VA1 IEC frame 250 breaking capacity class M Icu=55kA @ 415V 3-pole, line protection TM240, ATAM, In=250A overload protection Ir=175A...250A short-circuit protection Ii=5...10 x In nut keeper kit
This Siemens 3VA12255EF320AA0 is supplied brand new by PartLogic for control panels, machine wiring, power distribution, industrial maintenance and replacement applications. It forms part of our Industrial automation > Electrical distribution > Circuit breakers range and is referenced internally as PartLogic SKU PL27090807038.
Before ordering, please confirm the manufacturer part number, product specifications and compatibility with your existing equipment. If you are replacing a failed, obsolete or hard-to-find part, contact PartLogic and we can help check suitability or source related components.
| product brand name | SENTRON |
| product designation | Molded case circuit breaker |
| design of the product | Line protection |
| design of the overcurrent release | TM240 |
| protection function of the overcurrent release | LI |
| number of poles | 3 |
| insulation voltage / rated value | 800 V |
| operating voltage / at DC / rated value | 500 V |
| operating voltage / at AC / rated value | 690 V |
| power loss [W] / maximum | 57 W |
| power loss [W] / for rated value of the current / at AC / in hot operating state / per pole | 19 W |
| mechanical service life (operating cycles) / typical | 20 000 |
| electrical endurance (operating cycles) / at AC-1 / at 380/415 V | 8 000 |
| electrical endurance (operating cycles) / at AC-1 / at 690 V | 5 400 |
| product feature / for neutral conductors / upgradable/retrofittable / short-circuit and overload proof | No |
| ground-fault monitoring version | Without |
| communication function | No |
| other measurement function | No |
| Net Weight | 1.585 kg |
| at 40 °C | 250 A |
| at 45 °C | 250 A |
| at 50 °C | 250 A |
| at 55 °C | 243 A |
| at 60 °C | 237 A |
| at 65 °C | 230 A |
| at 70 °C | 223 A |
| switching capacity class of the circuit breaker | M |
| at 240 V | 85 kA187 kA |
| at 415 V | 55 kA121 kA |
| at 440 V | 36 kA75.6 kA |
| at 500 V | 15 kA10 kA30 kA |
| at 690 V | 10 kA5 kA17 kA |
| design of short-circuit protection | For switching power values in DC networks, see the 3VA molded case circuit breaker device manual; link to be found under Service & Support in the last chapter |
| product feature / for L-tripping / can be switched on/off | No |
| minimum | 175 A1 s1 250 A0 A |
| maximum | 250 A1 s2 500 A0 A |
| product function / grounding protection | No |
| undervoltage release | No |
| voltage trigger | No |
| trip indicator | No |
| height [in] | 6.22 in |
| height | 158 mm |
| width [in] | 4.13 in |
| width | 105 mm |
| depth [in] | 2.76 in |
| depth | 70 mm |
| arrangement of electrical connectors / for main current circuit | Front terminal |
| type of electrical connection / for main current circuit | nut keeper kit on both ends |
| type of connectable conductor cross-sections / for flat-bar terminal connection / minimum | 13 x 1 mm |
| type of connectable conductor cross-sections / for flat-bar terminal connection / maximum | 25 x 8 mm |
| design of the surface / of the connections / on the top of the switch (N, 1, 3, 5) | Silver |
| design of the surface / of the connections / on the bottom of the switch (N, 2, 4, 6) | Silver |
| number of CO contacts / for auxiliary contacts | 0 |
| product extension / optional / motor drive | Yes |
| protection class IP / on the front | IP40 |
| during operation / minimum | -25 °C |
| during operation / maximum | 70 °C |
| during storage / minimum | -40 °C |
| during storage / maximum | 80 °C |
| global warming potential [CO2 eq] / total | 285.47 kg |
| global warming potential [CO2 eq] / during manufacturing | 6.87 kg |
| global warming potential [CO2 eq] / during operation | 279 kg |
| global warming potential [CO2 eq] / after end of life | -0.78 kg |
| reference code / according to IEC 81346-2 | Q |
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