3RT5046-1AL20
Siemens Power contactor, 3-pole, size S3 3RT5046-1AL20
Siemens
Siemens Power contactor, 3-pole, size S3 3RT5046-1AL20
Home > Low Voltage Controls > Contactors > Siemens 3RT5046-1AL20 Need Siemens 3RT5046-1AL20? Power contactor, 3-pole, size S3 for SIRIUS 3RT5 heavy-du…
Specifications
| Brand | Siemens |
|---|---|
| Model Number | 3RT5046-1AL20 |
| Official Product Name | SIRIUS Power Contactor, AC-3 95 A, 45 kW / 400 V |
| Applicable System | SIRIUS 3RT5 heavy-duty motor control and switching system, size S3 |
| Product Type | Power contactor, 3-pole, size S3 |
| Equivalent Standard | IEC 60947-4-1; EN 60947-4-1 |
| Product Status | Active series, available on request |
| Rated motor power AC-3 at 400 V | 45 kW |
| Number of main poles | 3 |
| Control supply voltage | 230 V AC, 50/60 Hz |
| Auxiliary contacts | Without (suffix -1A... version) |
| Size | S3 |
| Terminal type | Screw terminals |
| Rated insulation voltage | Contact supplier for exact specifications |
| Mechanical service life | Contact supplier for exact specifications |
| Weight | Contact supplier for exact specifications |
| Rated operational current AC-3 at 400 V | 95 A |
Product Description
It is built with screw terminals on the main and control circuits and is supplied without integrated auxiliary contacts, so auxiliary switch blocks can be selected freely from the SIRIUS accessory range. The 3RT5 platform is designed for reliable switching of large motors in heavy industry, mining, cranes, pumps and compressors. We supply original Siemens 3RT5 contactors with competitive pricing and worldwide logistics support. The Siemens 3RT5046-1AL20 is a SIRIUS 3RT5 series power contactor in size S3, rated 95 A in utilisation category AC-3 (45 kW at 400 V), with a 230 V AC 50/60 Hz coil and 3 main poles.
Basic Product Information
- 230 V AC 50/60 Hz coil (suffix AL20) for standard control panels
- Size S3, 3-pole design with screw terminals on main and control circuits
- No integrated auxiliary contacts: free choice of SIRIUS auxiliary switch blocks
- Robust 3RT5 platform for heavy-duty industrial switching applications
- AC-3 rating 95 A, switching motors up to 45 kW at 400 V
Technical Specifications
Version & Model Difference
Within size S3, the 3RT5045 is rated 80 A / 37 kW and the 3RT5046 is 95 A / 45 kW. The suffix -1AL20 denotes the 230 V AC 50/60 Hz coil without auxiliary contacts and screw terminals; alternatives include -1AN20 (220 V AC per regional listing) and the DC coil version -1BB40 (24 V DC). The closely related 3RT2046 offers the same rating in the 3RT2 frame with different auxiliary contact options.
Application Scenarios
- Direct-on-line starting of three-phase motors up to 45 kW at 400 V
- Heavy-duty switching in mining, cement, steel and material handling plants
- Pump, fan, compressor and crane control panels with 230 V AC control circuits
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