Overview: Reliable Motor Switching with SIRIUS 3RT2
The Siemens 3RT2026-2AG60 is a high-performance, 3-pole power contactor from the globally recognized SIRIUS modular system (3RT2 series). Engineered for the safe and efficient switching of electric motors up to 11 kW at 400 V (AC-3e/AC-3), this device is a vital component in modern industrial control panels.
It features a robust design in Size S0 and uses innovative spring-loaded terminals for fast, reliable, and vibration-proof wiring, significantly reducing installation and maintenance time. With an operating current of 25 A and integrated 1 NO + 1 NC auxiliary contacts, the 3RT2026-2AG60 provides the essential control and feedback required for motor starter applications.
Key Product Specification
- Product Brand: Siemens SIRIUS
- Article Number: 3RT2026-2AG60
- Contactor Type: Power Contactor (Motor Switching)
- Operating Current (AC-3e/AC-3): 25 A
- Rated Power (AC-3e/AC-3): 11 kW at 400 V
- Poles: 3-pole
- Coil Voltage (Control Voltage): 100 V AC (50 Hz) / 100-110 V AC (60 Hz)
- Auxiliary Contacts: 1 Normally Open (NO) + 1 Normally Closed (NC)
- Connection Type: Spring-loaded Terminal (for main and auxiliary circuits)
- Contactor Size: S0 (Space-saving and compact design)
- Series: SIRIUS 3RT2
Benefit
- Fast & Secure Wiring: The spring-loaded terminal technology ensures a permanent, secure, and maintenance-free connection, even in high-vibration environments, saving labor costs and downtime.
- Compact Industrial Design: As a Size S0 device in the SIRIUS modular system, it offers excellent performance while maintaining a small footprint, ideal for space-constrained control cabinets.
- Global Compliance & Reliability: Approved worldwide (including IEC and UL/CSA standards) and suitable for IE3/IE4-ready motor applications, guaranteeing long-term operational reliability.
- Integrated Monitoring: The built-in 1 NO + 1 NC auxiliary contacts simplify control circuit design, providing immediate feedback on the contactor’s switching status.
Function
The 3RT2026-2AG60 serves as an electromagnetic switch to remotely and safely control the flow of electrical power to a 3-phase motor. When the 100 V AC control voltage is applied to the coil, the main contacts close, connecting the motor to the power supply. The AC-3e/AC-3 rating ensures it is optimized for standard squirrel-cage motor starting, stopping, and operating under load.
Technical Detail
- Product Family: SIRIUS 3RT Contactors, 3-pole
- Mounting: DIN Rail mounting
- Operating cycles (Mechanical): Typically 10,000,000
- Insulation Voltage (Ui): 690 V (Rated value)
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