Siemens 3RT1076-2XJ46-0LA2 Power Contactor, 500A, 250kW, 72V DC Coil Original Brand New

Overview

The Siemens 3RT1076-2XJ46-0LA2 Power Contactor is a high-performance, three-pole switching device engineered for the most demanding applications, specifically those requiring extended rated conditions and railway compliance (IEC 60077). As part of the SIRIUS 3RT family, this robust contactor is designed for reliably switching heavy loads, such as large motors up to 250 kW at 400 V, making it ideal for traction systems and industrial motor control in harsh environments.

Key Features / Function

• Part Number: 3RT1076-2XJ46-0LA2 (Essential for exact match searches)
• Contactor Type: High-Power Contactor, 3-pole
• Operational Current (AC-3e/AC-3): 500 A
• Operational Power (AC-3): 250 kW / 400 V
• Control Coil Voltage (Uc): 72 V DC (Extended operating range: x (0.7 – 1.25))
• Drive Type: Electronic Drive
• PLC Control Input: Dedicated input for 24-110 V DC
• Main Circuit Connection: Busbar for high current stability
• Control & Auxiliary Circuit: Spring-loaded terminal (Vibration-resistant connection)
• Auxiliary Contacts: 2 NO (Normally Open) + 2 NC (Normally Closed)
• Industry Standard: Extended Rated Condition, Railroad IEC 60077 (Critical for railway rolling stock and infrastructure)

Benefit

• Unmatched Reliability in Harsh Environments: IEC 60077 compliance ensures the contactor meets the stringent requirements for vibration, shock, and temperature variations found in railway and heavy industrial applications.
• High-Current Switching Capacity: With a 500 A rating and 250 kW capability, this contactor handles significant motor loads with ease.
• Stable & Secure Connections: The busbar main circuit connection ensures minimal power loss and maximum stability, while spring-loaded terminals on the control circuit provide a secure, maintenance-free, and vibration-proof wiring solution.
• Versatile Control Integration: The wide-range $72\text{ V DC}$ electronic drive and supplementary $24\text{–}110\text{ V DC}$ PLC input offer flexible integration into diverse control systems, including low-voltage automation logic.

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