Siemens 3KF1303-0LB11
switch disconnector with fuse 32 A, frame size 1, 3-pole for LV HRC fuse size 000 and 00 front operating mechanism left basic unit without handle box terminal without fuses
| Model | ||
| product brand name | SENTRON | |
| product designation | 3KF switch disconnector with fuses | |
| design of the product | 3KF switch disconnector with fuses | |
| product version | 3KF NH | |
| design of the actuating element | without | |
| design of handle | Without | |
| direction of actuation | from the front | |
| type of the driving mechanism motor drive | No | |
| number of poles | 3 | |
| size of disconnecting link | 00 and 000 | |
| size of switch disconnector | 1 | |
| size of fuse link | NH000, NH00 | |
| mechanical service life (operating cycles) typical | 15 000 | |
| electrical endurance (operating cycles) | ||
| ● at AC-23 A at 440 V | 10 000 | |
| ● at AC-23 A at 690 V | 6 000 | |
| ● at DC-23 A at 440 V | 1 500 | |
| I2t value | ||
| ● with closed switch for combination switch + fuse at 500 V maximum | 33 200 A²·s | |
| ● with closed switch for combination switch + fuse at 400 V maximum | 33 200 A²·s | |
| ● with closed switch at 690 V for combination switch + gG fuse maximum | 40 700 A²·s | |
| ● of the fuse at 500 V maximum permissible | 34 000 A²·s | |
| ● of the gG fuse at 690 V maximum permissible | 55 000 A²·s | |
| ● of the aM fuse at 690 V maximum permissible | 55 000 A²·s | |
| position of the switch operating mechanism | left | |
| fuse system | LV HRC fuse | |
| overvoltage category | IV | |
| operating voltage with current paths in series | ||
| ● with degree of pollution 2 at DC rated value | 440 / 3 | |
| ● with degree of pollution 3 at DC rated value | 440 / 3 | |
| surge voltage resistance rated value | 12 kV | |
| Supply voltage | ||
| operating voltage at AC rated value maximum | 690 V | |
| Protection class | ||
| protection class IP | IP20 | |
| protection class IP | ||
| ● with closed switch with cover or cable lug cover | IP20 | |
| ● on the front | IP20 | |
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