Overview
The Siemens 3RT1075-6AP36 is a high-performance power contactor designed for demanding industrial applications. Engineered for reliability and efficiency, this 3-pole contactor handles up to 400 A and 200 kW at 400 V AC, making it ideal for controlling electric motors and heavy-duty equipment. With a conventional drive, 2 NO + 2 NC auxiliary contacts, and a robust busbar main circuit connection, it ensures safe and efficient operation in control panels and automation systems.
Key Benefit
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High Current Handling – Rated for 400 A, suitable for large industrial loads.
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Versatile Control Voltage – Operates on AC/DC 220–240 V, 50–60 Hz.
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Robust Design – Built to Siemens’ exacting standards for durability in harsh conditions.
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Flexible Connectivity – Busbar connection for main circuit and screw terminals for control wiring.
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Reliable Switching – Equipped with 2 NO + 2 NC auxiliary contacts for extended functionality.
- Efficient Motor Control – Perfect for AC-3 and AC-3e applications in motor control systems.
Function & Features
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Contactor Type: Power contactor for motor control
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Rated Operational Current (Ie): 400 A
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Rated Power: 200 kW at 400 V AC (AC-3 duty)
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Voltage Range: 220–240 V AC/DC (Control voltage)
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Poles: 3 main poles
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Auxiliary Contacts: 2 Normally Open (NO) + 2 Normally Closed (NC)
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Drive Type: Conventional
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Main Circuit Connection: Busbar
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Control & Auxiliary Circuit Connection: Screw terminal
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Frequency: 50–60 Hz
Application
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Industrial automation
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Motor control centers (MCC)
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Pump and fan systems
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Conveyor systems
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Heavy-duty machinery
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