3RT1056-6LA06 – Siemens SIRIUS 3RT1 185A 3-Pole Contactor 400V

3RT1056-6LA06

3RT1056-6LA06 is a Siemens SIRIUS power contactor designed for reliable motor control and industrial switching applications.

This 3-pole contactor features AC-3 rated performance with 185A switching capacity at 400V, delivering 90kW of power handling capability. The Size S6 frame includes 2 NO (normally open) and 2 NC (normally closed) auxiliary contacts with screw-type connections. Built without an operating mechanism, this contactor is engineered for busbar mounting and conventional drive integration in three-phase motor control circuits. The robust construction supports mechanical life ratings of 3 x 10^7 operations with maximum switching voltage capability up to 690V.

• Part Number: 3RT1056-6LA06
• Manufacturer: Siemens
• Series: SIRIUS 3RT1
• Frame Size: S6
• Poles: 3-pole
• Amperage: 185A AC-3
• Voltage: 400V AC
• Power Rating: 90kW
• Auxiliary Contacts: 2 NO + 2 NC
• Connection Type: Busbar with screw terminals
• Mechanical Life: 3 x 10^7 operations
• Maximum Switching Voltage: 690V

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Specifications

• Part Number: 3RT1056-6LA06
• Manufacturer : Siemens
• Brand : Siemens
• Category : Motor Control
• Item Subcategory : Contactor
• Family : Sirius
• Type : 3RT10
• Voltage : 600
• Amperage : 185
• Phase : 3
• Poles : 3

Product Data

• UPC : 019512549002
• GTIN : 00195125490024
• Weight : 8