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Siemens SIRIUS 3RW3045-1AB14

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3RW3045-1AB14

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The Siemens 3RW3045-1AB14 is a soft starter developed for motor control applications. It functions effectively within a voltage range of 200 to 460 V AC and accommodates various control voltage requirements, ranging from 110 to 230 V.

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Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Technical specifications for 3RW3045-1AB14

ManufacturerSiemens
Product LineSIRIUS
Part Number3RW3045-1AB14
EAN4011209398733
Weight3.94 lbs (1.79 kg)
DescriptionSoft Starter
Operating Voltage Range200 to 460 VAC
Control Voltage Range110 to 230 V
Operating Current at 40°C75 A
Operating Current at 50°C64 A
Operating Current at 60°C54 A
Rated Power at 400 V37 kW
Rated Power at 230 V22 kW
Integrated Bridging Contact SystemYes
ThyristorsYes
Enclosure Dimensions (mm)175 x 190 x 76 mm
Enclosure Dimensions (in.)6.89 x 7.48 x 2.99 in.
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The 3RW3045-1AB14 starter model from Siemens within the SIRIUS series operates as a soft starter that regulates motor starting. It works efficiently with an operating voltage range of 200 to 460 VAC, making it suitable for numerous industrial applications. The product also operates with control voltage levels ranging from 110 to 230 V.

In terms of current specifications, this soft starter supports up to 75 A at a temperature of 40°C, ensuring reliable performance under specified conditions. When the temperature reaches 50°C, the maximum operating current drops to 64 A and then further decreases to 54 A as the temperature increases to 60°C. For power applications, the 3RW3045-1AB14 can handle 37 kW at 400 V and 22 kW at 230 V, demonstrating versatility in power management.

The unit is equipped with an integrated bridging contact system and incorporates thyristors, which enhance its ability to start motors smoothly. The dimensions of the enclosure are approximately 6.89 inches in height, 7.48 inches in width, and 2.99 inches in depth (175 mm x 190 mm x 76 mm). With a net weight of 1.806 kg (3.98 lbs.), this soft starter is compact yet powerful, suitable for a variety of mounting scenarios in electrical systems.