Product Overview:
The Siemens SIRIUS 3RT1026-1AG24 power contactor, combined with the 3RH1921-1HA22 front-mounted auxiliary switch block, forms a robust and highly reliable solution for industrial motor control and switching applications. This integrated system is engineered for exceptional performance in demanding environments, offering precise control for three-phase AC motors, resistive loads, and complex automation systems. The 3RT1026-1AG24 is a compact and powerful Size S0 contactor, featuring a 110V AC control voltage and integrated auxiliary contacts, while the 3RH1921-1HA22 significantly expands its signaling and interlocking capabilities with additional auxiliary contacts. Designed for seamless integration into existing control panels and electrical switchgear, this Siemens combination ensures optimal operational efficiency, enhanced safety, and long-term durability for critical industrial processes. It is an essential component for modern factory automation, providing dependable electrical switching for a wide range of machinery.

 
Technical Specifications:

Part Numbers: 3RT1026-1AG24, 3RH1921-1HA22 (3RT10261AG24, 3RH19211HA22)
Contactor Type: SIRIUS 3RT Power Contactor
Auxiliary Block Type: SIRIUS 3RH19 Front-mounted Auxiliary Switch Block
Contactor Size: S0
Rated Operational Current (AC-3, 400V): 22 A
Rated Operational Current (AC-1, 400V): 40 A
Control Supply Voltage: 110 V AC, 50/60 Hz
Main Contacts (Contactor): 3 NO (Normally Open)
Integrated Auxiliary Contacts (Contactor): 1 NO + 1 NC (Normally Closed)
Auxiliary Contacts (Block): 2 NO + 2 NC
Total Auxiliary Contacts (Combined): 3 NO + 3 NC
Mounting: DIN rail (35mm) or screw mounting (contactor), Frontal snap-on (auxiliary block)
Electrical Endurance: > 10 million operating cycles (AC-3)
Mechanical Endurance: > 30 million operating cycles
Operating Temperature Range: -25 to +60 °C (-13 to +140 °F)
Storage Temperature Range: -50 to +80 °C (-58 to +176 °F)
Protection Class: IP20 (terminals)
Standards Compliance: IEC 60947, EN 60947, VDE 0660, UL 508, CSA C22.2 No. 14
Weight (approx.): 0.39 kg (0.86 lbs)