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Product Description – Siemens 3RT10546AB368K Contactor
Overview
The Siemens 3RT10546AB368K is a high-performance 3-pole contactor designed for industrial applications. It is part of the Siemens SIRIUS 3RT series, known for its reliability and durability in controlling electrical loads.
Key Features
- Rated Current: 115A
- AC-3 Rating: 55 kW at 400V
- Control Voltage (UC): 23…26 V
- Auxiliary Contacts: 2 Normally Open (NO) + 2 Normally Closed (NC)
- Poles: 3-pole
- Mounting: Screw mounting
- Enclosure: Open design for easy installation and maintenance
- Mechanical Life: Up to 10 million operations
- Electrical Life: Up to 1 million operations at AC-3
- Standards Compliance: IEC/EN 60947-4-1, UL 60947-4-1, CSA C22.2 No. 14
Applications
The 3RT10546AB368K contactor is suitable for a wide range of applications, including:
- Motor control in industrial machinery
- Switching of resistive and inductive loads
- Control of compressors, pumps, and fans
- Use in HVAC systems and building automation
Technical Specifications
| Parameter | Value |
|---|---|
| Rated Operational Current (Ie) | 115A |
| Rated Operational Power (AC-3) | 55 kW at 400V |
| Control Voltage Range | 23…26 V AC/DC |
| Auxiliary Contacts | 2 NO + 2 NC |
| Number of Poles | 3 |
| Mechanical Life | Up to 10 million operations |
| Electrical Life (AC-3) | Up to 1 million operations |
| Weight | Approx. 1.2 kg |
Additional Notes
This contactor is designed for easy integration into control systems and is compatible with a wide range of Siemens accessories, including overload relays and mounting adapters. It is suitable for use in environments with high electrical and mechanical stress.
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