Overview
The Siemens 3RT2038-3XJ44-0LA2 is a premium traction contactor engineered for precision and durability in heavy-duty AC applications. Designed for AC-3e/AC-3 operations, it supports currents up to 80 A and power ratings up to 37 kW at 400 V. With a 3-pole configuration and 72 V DC control voltage, this contactor ensures stable performance and smooth switching for traction and industrial systems. Its solid-state operating mechanism and integrated varistor provide long life and protection against voltage spikes, while flexible terminal connections simplify installation and maintenance.
Features
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AC-3e/AC-3 rated traction contactor
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Rated current: 80 A, Rated power: 37 kW / 400 V
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3-pole main circuit, 72 V DC control voltage
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Solid-state operating mechanism for reliability
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Integrated varistor for surge protection
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Auxiliary contacts: 2 NO + 2 NC
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Main circuit: screw terminal
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Control and auxiliary circuits: spring-loaded terminals
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Frame size: S2, removable auxiliary switch
Benefit
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Ensures safe and reliable traction switching operations
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High durability with solid-state mechanism
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Simplified installation and maintenance
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Reduces downtime with integrated surge protection
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Versatile auxiliary contacts for extended control functions
Application / Function
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Railway traction systems
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Industrial AC-3e / AC-3 machinery
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High-power switching and control
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Electrical drives requiring precise contactor operation
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