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3RT1055-6AP36

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Regular price $624.37
Sale price $624.37 Regular price


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The Siemens 3RT1055-6AP36 is an industrial-grade power contactor designed to deliver robust performance in demanding automation environments. Rated for 150 A at AC-3 and capable of handling 75 kW at 400 V AC, this 3-pole contactor is engineered for reliable switching of motors and heavy loads. It features auxiliary contacts (2 NO + 2 NC), and supports control voltages of 220–240 V AC/DC at 50–60 Hz, making it versatile for various control systems. With a high mechanical endurance reaching up to 10 million switching cycles and strong shock resistance, the 3RT1055-6AP36 offers durability in industrial applications. Its compact S6 size and superior insulation voltage rating of 1000 V ensure it fits efficiently within control panels while meeting stringent safety standards. This contactor is factory-tested and built for seamless integration in automation setups requiring dependable switching components.

Key Features of Siemens 3RT1055-6AP36

  • Rated operational current: 150 A at AC-3
  • Motor power rating: 75 kW at 400 V AC
  • Auxiliary contacts: 2 Normally Open (NO) + 2 Normally Closed (NC)
  • Control supply voltage: 220–240 V AC/DC (50–60 Hz)
  • Mechanical service life up to 10 million switching cycles
  • High insulation voltage: 1000 V
  • Robust S6 size contactor with IP00 protection at terminals
  • Suitable for AC and DC coil operation
  • Shock resistance for industrial environments

Technical Specs of 3RT1055-6AP36

Explore Siemens 3RT1055-6AP36 specifications for detailed parameters to ensure system compatibility.

Parameter Specification
Poles 3
Rated operational current (AC-3) 150 A
Rated power (400 V AC) 75 kW
Control voltage 220–240 V AC/DC, 50–60 Hz
Auxiliary contacts 2 NO + 2 NC
Insulation voltage 1000 V
Mechanical lifespan 10,000,000 cycles

Applications / Use Case

This Siemens 3RT1055-6AP36 is commonly used in machine automation, production line systems, and factory control panels worldwide. It reliably switches motors and heavy machinery in industrial automation applications including conveyor systems, packaging lines, and process control environments, ensuring continuous operation and safety. Its robust design and high power rating make it ideal for demanding setups requiring consistent electrical performance and longevity.

Price & Availability

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3RT1055-6AP36

$624.37

  • ACHIEVING

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  • LESS THAN

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Does it come with a warranty?

Yes, All products are offered wth 1-Year warranty.

What is the condition of the product?

All products sold are New & Unused.

How fast is shipping?

All products are delivered within 2-8 business days depending on our stock location.

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