Overview
The Siemens 3RT7026-1AQ05 is a robust and reliable modular contactor from the SIRIUS 3RT series, designed for high-performance switching and control of electrical loads. This unit is specifically engineered for AC-3 applications, making it an excellent choice for motor control, including switching of three-phase squirrel-cage motors. With its compact Size S0 design and convenient screw terminals, it offers a space-saving and secure solution for a wide range of industrial and commercial applications. The integrated 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contacts provide additional flexibility for interlocking and control circuits.
Features & Specification
- Product Number: 3RT7026-1AQ05
- Series: Siemens SIRIUS 3RT
- Contactor Type: AC-3 Contactor
- Rated Operational Current (AC-3): 25A
- Rated Power (AC-3): 11kW at 400V
- Coil Voltage: 380V AC at 50Hz
- Auxiliary Contacts: 1 NO (Normally Open) + 1 NC (Normally Closed)
- Size: S0
- Terminals: Screw Terminals
- Mounting: Standard DIN rail mounting or screw fixing
- Durability: High mechanical and electrical durability for long service life.
Benefit
- Reliable Performance: Engineered by Siemens, a leader in industrial automation, for consistent and reliable operation in demanding environments.
- Versatile Application: Ideal for a wide range of motor control tasks in industrial machinery, HVAC systems, pumps, and fans.
- Space-Saving Design: The compact Size S0 form factor allows for efficient use of panel space, critical in crowded control cabinets.
- Easy Installation: The intuitive screw terminals and versatile mounting options (DIN rail/screw) simplify installation and wiring.
- Enhanced Control: The integrated 1NO+1NC auxiliary contacts provide flexibility for signaling, interlocking, and complex control circuits without the need for additional modules.
- Global Standards: Complies with international standards for safety and performance, ensuring compatibility and compliance in various regions.
Function
- Switching Motors: Primarily used to switch three-phase squirrel-cage motors on and off in AC-3 applications.
- Electrical Load Control: Functions as a remote switching device for a variety of electrical loads.
- Automation Integration: Can be easily integrated into automated control systems, PLC-based circuits, and motor starters.
- Safety & Overload Protection: When used in combination with a thermal overload relay (sold separately), it provides comprehensive motor and circuit protection.
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