Overview
The Siemens 3RT2027-1NB30 is a high-performance power contactor designed for reliable motor and load control in industrial automation systems. Engineered to handle demanding applications, this 3-pole contactor supports 32 A and 15 kW at 400 V, ensuring efficient and durable operation. Featuring a compact S0 size, integrated varistor, and auxiliary contacts (1 NO + 1 NC), it provides maximum protection and operational flexibility.
Key Features & Functions
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Type: Power Contactor (AC-3e / AC-3 Duty)
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Rated Operational Current: 32 A
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Rated Power: 15 kW at 400 V
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Coil Voltage: 21–28 V AC/DC (50/60 Hz)
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Poles: 3-Pole Configuration
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Auxiliary Contacts: 1 Normally Open (NO) + 1 Normally Closed (NC)
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Integrated Varistor: Built-in surge protection for extended service life
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Connection Type: Screw Terminal for easy and secure wiring
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Size: S0 — compact design ideal for space-saving installations
Benefits
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Reliable Performance: Designed by Siemens for consistent, high-quality switching operations.
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Compact & Durable: Small S0 frame saves panel space without sacrificing power.
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Enhanced Safety: Integrated varistor protects against voltage surges.
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Versatile Application: Suitable for both AC and DC control circuits.
- Ease of Installation: Screw terminals allow for quick and secure wiring.
Applications
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Industrial automation systems
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Motor and load control circuits
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HVAC systems
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Conveyor systems
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Pumps and compressors
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Machine tools and processing equipment
For detailed technical specifications, stock availability, and to explore our full range of Siemens SIRIUS industrial components, visit Turll today!













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