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Siemens SIRIUS 3RT1045-3XF40-0LA2

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3RT1045-3XF40-0LA2

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The Siemens 3RT1045-3XF40-0LA2 is a power contactor designed for efficiency and reliability in various applications. With a rated power of 37 kW at 400 V, it is equipped to handle an operating current of up to 80 A, ensuring robust performance in industrial environments.

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Technical specifications for 3RT1045-3XF40-0LA2

ManufacturerSiemens
Product TypePower Contactor
Product LineSIRIUS
Part Number3RT1045-3XF40-0LA2
EAN4011209563032
Weight2.88 lbs (1.30 kg)
Rated Power37 kW @ 400 V
Rated Operating Voltage400 V AC
Rated Operating Current80 A
Voltage Range0.7–1.25 × Us
Coil TypeDC, Solid-State
Insulation Voltage690 V
Connection TypeCage Clamp (Spring-Type Terminal)
Control Voltage110 V DC
Poles3
Coil Consumption~3.5 W
Operating Frequency50/60 Hz
Mounting TypeDIN Rail
Contactor SizeS3
Protection FeatureIntegrated Varistor
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Designed for industrial applications, the Siemens 3RT1045-3XF40-0LA2 power contactor is engineered for reliable operation. It supports a rated power output of 37 kW at a voltage of 400 V AC, making it suitable for high-demand environments. The device can handle a maximum operating current of 80 A, providing ample capacity for diverse circuits.

This contactor features a voltage operating range of 0.7 to 1.25 times the specified voltage for flexibility in different electrical setups. The integrated coil operates on DC and is solid-state, ensuring efficient control. It exhibits a coil consumption of about 3.5 watts, which contributes to its energy efficiency.

With an insulation voltage rating of 690 V, this contactor is robust, designed to endure challenging conditions while maintaining its integrity. The connection method employs cage clamp terminals, known for their secure and reliable connection, facilitating easy installation. Operating at frequencies of 50 or 60 Hz, the contactor is versatile for various applications.

Protection is enhanced through an integrated varistor, safeguarding against voltage spikes that could potentially damage the unit. This power contactor is designed for mounting on DIN rails, which streamlines installation and maintenance in control panel setups. Compact in size, categorized as S3, it fits well in standard electrical cabinets while delivering outstanding performance.