Siemens 3RT2027-1BB40 Power Contactor
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The SIEMENS SIRIUS 3RT2027-1BB40 is a 3-pole S0 power contactor featuring a 24 V control supply, 50 A AC-1 thermal current, and 15 kW operating power at AC-3, 400 V. Equipped with 1 NO + 1 NC contacts, IP20 protection, and 35 mm standard rail mounting, it is designed for reliable industrial switching and motor control applications.
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| Product Brand name | SIRIUS |
| Product Type Designation | 3RT2 |
| Size of contactor | S0 |
| Insulation voltage | 690V |
| Operating voltage | (AC3: 690V) |
| Thermal Current | (AC1: 50A) |
| Operating power | (at AC-1, 400V: 28 kW), (at AC-3, 400V: 15 kW) |
| Control supply voltage | 24V |
| Power loss | (at AC-3, 400V: 2.7 W) |
| Surge voltage resistance rated value | 6 kV |
| Number of poles for main current circuit | 3 |
| Contacts | 1 NO + 1 NC |
| Mounting type | screw and snap-on mounting onto 35 mm standard mounting rail |
| Frequency | 50 to 60 Hz |
| Dimensions | 85 x 45 x 107 mm |
| Protection Degree | IP 20 |
| Ambient temperature | -25 ... +60 °C |
| Condition | New |
| Stock key | JO-004 |
| SKU | 1093529 |
| Weight | 0,58 |
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