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Siemens SIRIUS 3RT2028-1FB40

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3RT2028-1FB40

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The Siemens 3RT2028-1FB40 power contactor is engineered for robust electrical control. Rated for a maximum operating voltage of 690V, this device features three poles and an included auxiliary switch for added functionality.

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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 3RT2028-1FB40

ManufacturerSiemens
Product LineSIRIUS
Part Number3RT2028-1FB40
UPC662643918137
Weight1.00 lbs (0.45 kg)
SeriesContactors
ProductPower Contactor
Auxiliary SwitchIncluded
Operating Voltage690V
Number of Poles3 Poles
Control Supply Voltage24V DC
NC Auxiliary Contacts1 Contact
NO Auxiliary Contacts1 Contact
IP RatingIP20
Operating Temperature-25 to 60 degrees Celsius
Storage Temperature-55 to 80 degrees Celsius
Minimum Relative Humidity10%
Maximum Relative Humidity95%
Maximum Operating Altitude2000m above sea level
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The 3RT2028-1FB40 from Siemens is a power contactor suited for various industrial applications. This contactor serves as an essential component for controlling electrical circuits. It can handle an operating voltage of up to 690V, ensuring compatibility with a wide range of systems. Designed with three poles, this equipment is equipped to manage substantial loads effectively.

The device operates on a control supply voltage of 24V DC, facilitating its integration into many automation setups. It features an auxiliary switch that includes one normally closed (NC) contact and one normally open (NO) contact, enhancing its operational versatility. Additionally, this contactor is rated IP20, making it suitable for specific applications while ensuring a degree of protection against solid objects.

For environmental considerations, the 3RT2028-1FB40 can function across a temperature spectrum of -25 to 60 degrees Celsius, which broadens its usability in various conditions. When it comes to storage, it is rated for temperatures from -55 to 80 degrees Celsius, making it robust enough for challenging environments.

It also operates effectively with relative humidity ranging from a minimum of 10% to a maximum of 95%, ensuring reliable performance even in moist conditions. Furthermore, it is engineered to work at altitudes reaching up to 2000 meters above sea level, making it suitable for applications in high-elevation settings.