Overview
The Siemens 3RT2037-1AB04 is a robust 3-pole power contactor engineered for demanding motor and power switching applications. With a rated operational current of 65 A and a power rating of 30 kW at 400 V, it ensures reliable performance in AC-3 and AC-3e categories. Designed with a 24V AC coil at 50 Hz, this contactor features 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts for versatile control configurations. Built in the compact S2 size with screw terminals and a removable auxiliary switch, it allows for flexible integration into industrial control panels.
Key Benefit
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High Switching Capacity: Supports up to 30 kW / 65 A for industrial motors and heavy-duty machinery.
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Flexible Control: Includes 2 NO + 2 NC auxiliary contacts for custom logic configurations.
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Easy Installation: Equipped with screw terminals for fast and secure wiring.
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Compact Size: S2 frame optimizes panel space while maintaining power density.
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Durable & Reliable: Siemens quality ensures long life even under tough conditions.
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Modular Design: Removable auxiliary switch allows customization and easy maintenance.
Function & Application
The 3RT2037-1AB04 contactor is suitable for:
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Controlling three-phase motors in automation and process industries
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Power switching in HVAC systems, conveyors, pumps, compressors
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Integration into Siemens SIRIUS modular system
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General-purpose industrial power control
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