Overview
The Siemens 3RT2035-3AG20 is a high-performance SIRIUS power contactor designed for reliable and efficient switching of electrical loads in industrial applications. As part of the Siemens S2 size class, this contactor is engineered for demanding environments, offering a compact yet robust solution for motor control, resistive loads, and other switching tasks. It features a 3-pole configuration with an impressive 41 A AC-3e/AC-3 current rating, suitable for motors up to 18.5 kW at 400V. The 110V AC 50/60 Hz control voltage coil ensures compatibility with common industrial control systems.
Key Benefit
- High Performance & Reliability: Built with Siemens’ renowned quality, the 3RT2035-3AG20 ensures long-term operational stability and a high electrical and mechanical service life, reducing maintenance and downtime.
- Versatile Application: Ideal for a wide range of applications including motor control (AC-3e/AC-3), general load switching, and use in automation systems.
- Space-Saving Design: The compact S2 size allows for efficient panel design, maximizing space and simplifying installation in crowded enclosures.
- Dual Terminal Types for Easy Wiring: Combines screw terminals for the main circuit, providing a secure and high-current connection, with spring-loaded terminals for the control and auxiliary circuits, enabling fast, vibration-proof, and tool-free wiring.
- Integrated Auxiliary Contacts: The built-in 1 NO + 1 NC auxiliary contact block simplifies control circuit design and provides essential feedback for monitoring and interlocking.
Function & Features
- Product Designation: Power Contactor, SIRIUS 3RT
- Product Number: 3RT2035-3AG20
- Current Rating (AC-3e/AC-3): 41 A
- Power Rating (AC-3e/AC-3): 18.5 kW at 400V
- Poles: 3-pole main circuit
- Coil Voltage: 110V AC, 50/60 Hz
- Auxiliary Contacts: 1 normally open (NO) + 1 normally closed (NC)
- Main Circuit Connection: Screw terminals
- Control/Auxiliary Circuit Connection: Spring-loaded terminals
- Size: S2
- Mounting: Can be mounted on a DIN rail or with screws.
- Compatibility: Part of the modular SIRIUS system, allowing for easy integration with other components like overload relays and auxiliary switches.
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