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Siemens SIRIUS 3RT1015-2BB41

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3RT1015-2BB41

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The 3RT1015-2BB41 from Siemens is a robust AC-3 contactor designed for reliable operation in a variety of applications. It accommodates a rated operating current of 7 A at 400 V in AC-3 mode and 18 A at 690 V in AC-1 mode, demonstrating its versatile capabilities in handling electrical loads.

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Technical specifications for 3RT1015-2BB41

ManufacturerSiemens
Product TypeAC-3 Contactor
Product LineSIRIUS
Part Number3RT1015-2BB41
UPC754554410302
Weight0.56 lbs (0.26 kg)
Rated Operating Current (AC-3, 400 V)7 A
Rated Operating Current (AC-1, 690 V)18 A
Control Supply VoltageDC 24 V
Number of Main NO Contacts3
Mechanical Service Life (Switching Cycles)30,000,000 (typical)
Mounting TypeScrew and snap-on mounting on 35 mm DIN rail
Protection Class (Front)IP20
Ambient Temperature Range-25 °C to +60 °C
Operating Power (AC-3, 400 V)3 kW
Active Power Loss (AC-3, 400 V)0.42 W per conductor
Auxiliary NO Contacts1
Operating Current (AC-12, Max)10 A
Short-Circuit Protection (Main Circuit)Fuse gL/gG: 35 A (Type 1), 20 A (Type 2)
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The Siemens 3RT1015-2BB41 is classified as an AC-3 contactor, providing effective control for electrical systems. With an operating current rating of 7 A at 400 V and an impressive capability of 18 A at 690 V in AC-1 conditions, this unit is well-suited for various industrial applications. It is designed to operate at a control voltage of 24 V DC, making it compatible with a wide range of controls and systems.

This contactor is equipped with three main normally open (NO) contacts, allowing for straightforward integration into control circuits. Notably, its mechanical service life is rated at approximately 30 million switching cycles, emphasizing reliability and longevity in demanding environments. The mounting type is adaptable, enabling both screw and snap-on fitting onto a 35 mm DIN rail, which aids in installation.

The protection class for the front of the device is IP20, shielding it from normal dust ingress but not from direct contact or liquids. Designed to operate within an ambient temperature range of -25 °C to +60 °C, this contactor is versatile for various operational settings. The device supports an operating power of 3 kW at 400 V AC-3, and exhibits an active power loss of 0.42 W per conductor under the same conditions.

In addition to its main contacts, the 3RT1015-2BB41 includes one auxiliary normally open (NO) contact, enhancing its functionality within control systems. Its dimensions are compact, measuring 45 mm in width, 60 mm in height, and 73 mm in depth. Furthermore, it allows for a maximum operating current of 10 A in AC-12 applications. The unit's short-circuit protection requires a fuse gL/gG rated at 35 A for Type 1 installations and 20 A for Type 2 installations, ensuring safety and operational integrity.