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Siemens SIRIUS 3RT1025-1AC20

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3RT1025-1AC20

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The Siemens 3RT1025-1AC20 is a compact power contactor designed for AC-3 applications. Rated at 17 A and capable of handling 7.5 kW at 400 V, it operates with a control voltage of 24 V AC.

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Technical specifications for 3RT1025-1AC20

ManufacturerSiemens
Product LineSIRIUS
Part Number3RT1025-1AC20
UPC754554410951
Weight0.56 lbs (0.26 kg)
ProductPower Contactor, AC-3
Contactor Type3-pole, Size S0
Rated Current17 A
Rated Power7.5 kW / 400 V
Control Voltage24 V AC
Frequency50/60 Hz
Terminal TypeScrew terminal
Contact ConfigurationNormally open contacts (NO)
MountingDIN rail mounting
IP RatingIP00
Coil Power ConsumptionApprox. 5 VA
Auxiliary Contact1 NO and 1 NC (optional)
Life CycleElectrical 1,000,000 operations
Environmental Conditions-25°C to +60°C
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Part of Siemens’ SIRIUS series, the 3RT1025-1AC20 is a power contactor intended for AC-3 loads. This device includes three poles and falls under size S0. It sustains a rated current of 17 Amperes and can handle a maximum power of 7.5 kW at a voltage of 400 volts.

The control voltage required for operation is 24 Volts AC, and it is designed to function effectively at common frequencies of 50 or 60 Hertz. For connection, it features screw terminals, which provide secure installations. This contactor has a contact configuration composed of normally open contacts (NO), providing reliable switching capability.

Mounting the 3RT1025-1AC20 is streamlined as it is designed for DIN rail installation. With an IP rating of IP00, it is primarily for indoor applications where exposure to water and dust isn't a concern. The coil power consumption is approximately 5 VA, ensuring efficient operation while minimizing energy use.

In terms of durability, this power contactor is rated for substantial electrical life, capable of enduring up to 1,000,000 operations. It can operate in harsh temperature ranges, supporting environmental conditions from -25°C to +60°C, making it suitable for various industrial settings.