Overview
Siemens 3RT2037-1NB30 is a robust power contactor designed for heavy-duty industrial applications. With a 3-pole configuration and AC-3/AC-3e rating, it handles currents up to 65 A and power loads up to 30 kW at 400 V, ensuring efficient and reliable motor operation. Its integrated varistor protects the device against voltage spikes, extending equipment life. The unit also includes 1 NO + 1 NC auxiliary contact and features screw terminals for secure and simple installation. Sized as S2, this contactor meets the rigorous demands of modern industrial environments.
Key Benefit
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High Reliability: Designed for continuous operation in demanding industrial settings.
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Protection Against Voltage Spikes: Integrated varistor safeguards your system from transient voltage.
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Versatile Control: Supports AC-3/AC-3e load ratings up to 65 A and 30 kW at 400 V.
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Easy Installation: Screw terminals for quick and secure wiring.
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Auxiliary Functionality: Includes 1 NO + 1 NC auxiliary contacts for additional control options.
Function & Application
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Motor switching and protection
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Industrial automation and machinery control
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HVAC systems and pump control
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Electrical distribution panels requiring compact, reliable contactors
Technical Specification
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Type: Power Contactor
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Model Number: 3RT2037-1NB30
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Current Rating: 65 A
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Voltage Rating: 30 kW / 400 V
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Poles: 3
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Control Voltage: 20-33 V AC/DC, 50/60 Hz
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Auxiliary Contacts: 1 NO + 1 NC
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Terminals: Screw terminal
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Size: S2
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Special Feature: Integrated varistor for surge protection
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