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Reliable, efficient, and built for worldwide compatibility, the Siemens 3RT2036‑3AL20 power contactor is the go‑to solution for diverse industrial and commercial applications across global markets. With its compact S2 design, this 3‑pole contactor handles up to 22 kW at 400 V (AC‑3) and operates at 230 VAC coil voltage with consistent performance. Equipped with one normally‑open and one normally‑closed auxiliary contact, it ensures safe and flexible control across manufacturing, automation, and infrastructure applications. IEC and UL/CSA‑approved, the 3RT2036‑3AL20 delivers high reliability and universal acceptance, making it ideal for international operations.

Key Reasons to Buy the Siemens 3 Pole Reversing Contactor, 1NO + 1NC, 22 kW

Combining Siemens quality with global certifications, this SIRIUS contactor offers exceptional longevity, with millions of mechanical cycles—alongside energy-saving design and streamlined wiring options. Whether you install via DIN-rail or surface mount, the robust connectors and low power loss ensure high uptime, low maintenance, and seamless integration in global systems.

Salient Features and Benefits of the Product

  • Highly efficient: up to 51 A rated at AC‑3 (400 V), 22 kW capacity.
  • Dual auxiliary contacts (1 NO, 1 NC) offer versatile control options.
  • Compact S2 frame for space-saving installation.
  • Durable design: millions of switching cycles, high shock resistance, and broad temperature tolerance (–25 to +60 °C).
  • Global compliance with IEC, UL/CSA standards, RoHS and REACH compliant.
  • Flexible wiring: screw main terminals, spring‑loaded auxiliary/control circuits, and DIN‑rail or panel mounting.

Wide Application Range

  • Motor starting and stopping in industrial automation systems
  • HVAC and building management systems
  • Manufacturing line control and conveyor systems
  • Renewable energy inverters and power distribution units
  • Global OEM panel building for machinery and infrastructure

Siemens 3RT2036-3AL20, SIRIUS 3 Pole Reversing Reversing Contactor - 50 A, 230 V ac Coil, 1NO + 1NC, 22 kW

Manufacturer:
Manufacturer Part No:
3RT2036-3AL20
Enrgtech Part No:
ET21577638
Warranty:
Manufacturer
£ 149.79 £ 104.85
Checking for live stock
Function:
Reversing
Better World Product:
Yes
Better World Claim:
Low carbon manufacture
Normal State Configuration:
1NO + 1NC
Contact Current Rating:
50 A
Series:
Size S2, 3RT2
Coil Voltage:
230 V ac
Range:
SIRIUS 3RT
Power Rating:
22 kW
Number of Poles:
3
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Datasheet - 3RT2036-3AL20(Technical Reference)
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Environmental Product Declaration(Technical Reference)
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Environmental Product Declaration - Overview(Technical Reference)
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Siemens EcoTech label(Technical Reference)



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