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Siemens SIRIUS 3RA1345-8XB30-1BB4

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3RA1345-8XB30-1BB4

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The Siemens 3RA1345-8XB30-1BB4 is a compact contactor assembly designed for effective performance in various industrial applications. With a power rating of 37 kW, it operates at a voltage of 400 V, supporting up to three phases across its three poles.

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Technical specifications for 3RA1345-8XB30-1BB4

ManufacturerSiemens
Product TypeContactor Assembly
Product LineSIRIUS
Part Number3RA1345-8XB30-1BB4
UPC754554670973
Weight14.00 lbs (6.35 kg)
Power Rating37 kW
Voltage Rating400 V
Number of Poles3
SizeS3
Electrical ConnectionScrew Terminals
Number of Phases3
Interlock24 VDC
Maximum Ambient Temperature40 degrees Celsius
Minimum Ambient Temperature0 degrees Celsius
Operating Humidity Range80% (non-condensing)
Storage Humidity Range80% (non-condensing)
Allowable Installation Height1000 MSL
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The 3RA1345-8XB30-1BB4 contactor assembly from Siemens is engineered for versatile use across various sectors. This model has a specific power capacity of 37 kW, allowing it to handle significant electrical loads efficiently. It operates at a voltage of 400 V and consists of three poles, making it suitable for applications requiring three-phase connections.

The design includes screw terminals for reliable electrical connections, which simplifies installation and maintenance. Additionally, it features a 24 VDC interlock, enhancing safety during operation by preventing unintentional energization.

Weighing in at 6.362 kg, the unit is compact yet robust. It is rated for maximum ambient temperatures up to 40 degrees Celsius, while still functioning optimally at temperatures as low as 0 degrees Celsius. The contactor assembly is also built to withstand an operating humidity level of 80% (non-condensing). This same humidity range applies to storage conditions. Moreover, it is designed for an installation height with a maximum of 1000 meters above sea level, making it adaptable for various setups and locations.