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3RV20211JA25 SIEMENS Motor Protection Switch

Introducing the 3RV20211JA25 SIEMENS Motor Protection Switch, a compact and tropicalized device designed for reliable motor protection. This switch is tailored for the safe shutdown of motors in the event of a short circuit, while also providing protection against overloads for users and the electrical system. The 3RV20211JA25 features a CLASS 10 release and is available in various sizes to accommodate different motor protection needs. Its low thermal dissipation ensures optimal performance in starting applications, including motors with IE3/IE4 efficiency ratings.

• Multi-functional Protection: Offers comprehensive protection against short circuits, overloads, and safe shutdown of motors.
• International Approvals: Compliant with IEC and UL/CSA standards for global usage.

Key Features and Specifications

The 3RV20211JA25 SIEMENS Motor Protection Switch comes with a standard spring-powered operation and features a front-mounted auxiliary contact block for additional functionality. This device is designed for use in IT networks and is available in explosion-proof configurations, such as ATEX or IEC Ex, for safety in hazardous areas. The switch is available with both screw and spring clamping terminals for quick, maintenance-free connections.

• Spring-Clamp Terminals: Facilitates fast and secure connections, minimizing maintenance requirements.
• Expansion Capabilities: Offers a wide range of accessories for auxiliary contacts, release switches, and signal contacts, compatible with all construction sizes.

Applications and Benefits

This versatile motor protection switch is ideal for a variety of applications, including motor protection, system protection, short-circuit protection of combined starters, and transformer protection. It can serve as a main switch or emergency stop switch, making it a versatile choice for industrial and commercial installations. The system's modular design, as part of the SIRIUS 3RV2 series, ensures ease of integration and ongoing compatibility with the latest technological advancements.

• Modular Design: Provides flexibility and adaptability for future upgrades and system changes.
• Cost-Effective Solution: Reduces cable routing and maintenance, leading to cost savings over time.