3RT1275-6AP36

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The Siemens 3RT1275-6AP36 is a factory-grade vacuum contactor designed for high-performance industrial automation applications. This robust 3-pole contactor supports an operational power of up to 200 kW at 400 V AC and features a coil voltage of 220-240 V AC/DC, making it suitable for demanding motor control and power switching tasks. Engineered for durability and reliability, the 3RT1275-6AP36 provides proven performance in harsh environments with up to 200,000 operating cycles at AC-4 utilization categories. Its construction incorporates auxiliary contacts (2 NO + 2 NC), enhancing control system flexibility and safety. This Siemens SIRIUS 3RT12 series contactor ensures efficient switching of high loads with long service life, ideal for factory automation, production lines, and process control systems worldwide.

Key Features of Siemens 3RT1275-6AP36

  • Vacuum contactor with 3 poles for main current circuit.
  • Rated operational power: 200 kW at 400 V AC (AC-3 category).
  • Rated control supply voltage: 220-240 V AC/DC coil.
  • Auxiliary contacts configuration: 2 normally open (NO) + 2 normally closed (NC).
  • Designed for up to 200,000 operating cycles under heavy loads.
  • Nominal current rating: 400 A for reliable high-current operations.
  • Supports AC-3e and AC-3 utilization categories, suitable for motor switching.
  • Main circuit voltage rating up to 1000 V.
  • Compact and robust design for industrial automation environments.

Technical Specs of 3RT1275-6AP36

Explore Siemens 3RT1275-6AP36 specifications covering voltage, I/O, and communication to ensure system compatibility.

Parameter Value
Number of poles 3
Rated operational current (Ie) AC-3 400 A
Rated operational power (400 V AC) 200 kW
Coil voltage (Uc) 220-240 V AC/DC (50-60 Hz)
Auxiliary contacts 2 NO + 2 NC
Utilization category AC-3e / AC-3
Rated insulation voltage 1000 V
Number of operating cycles Approx. 200,000 (AC-4)

Applications / Use Case

This Siemens 3RT1275-6AP36 is commonly used in industrial automation and production line systems worldwide. It is ideal for controlling large motors, conveyors, and heavy machinery where reliable switching of high currents is critical. Its vacuum technology ensures arc suppression and extended service life, making it suitable for harsh industrial environments including factory control panels, process control setups, and motion control systems. The integrated auxiliary contacts allow for enhanced control schemes and safety interlocks, essential in automated manufacturing and processing plants.

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3RT1275-6AP36

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Does it come with a warranty?

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

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