Product Overview:
The SIEMENS SIRIUS 3RT1035-1B is a high-performance, 3-pole power contactor designed for reliable switching of motors and resistive loads in industrial automation and control applications. As part of the renowned SIRIUS 3RT1 series, this robust contactor offers exceptional operational reliability and a long service life, making it an ideal choice for demanding environments. With an AC-3 rating of 80A at 400V and a powerful 37kW switching capacity, it is perfectly suited for starting, stopping, and reversing three-phase asynchronous motors. Its compact Size S2 design, coupled with a versatile 24V AC control coil, ensures seamless integration into existing control panels and systems, providing efficient and safe power management. Engineered for global standards, the 3RT1035-1B delivers consistent performance, contributing to optimized uptime and reduced maintenance in various industrial settings.

 
Technical Specifications:

Part Number: 3RT1035-1B
Alternate Part Number: 3RT10351B
Product Type: Power Contactor
Series: Siemens SIRIUS 3RT1
Number of Poles: 3
Rated Operational Current (AC-3, 400V): 80 A
Rated Operational Power (AC-3, 400V): 37 kW
Control Coil Voltage: 24 V AC, 50/60 Hz
Auxiliary Contacts: 1 NO (Normally Open) + 1 NC (Normally Closed)
Size: S2
Mounting Type: DIN rail / Screw mounting
Terminal Type: Screw terminals
Operating Temperature Range: -25 to +60 °C
Electrical Endurance: Up to 10 million switching operations
Mechanical Endurance: Up to 30 million switching operations
Standards Compliance: IEC 60947, EN 60947, VDE 0660, UL, CSA
Protection Class (Terminals): IP20
Weight: 0.85 kg