Siemens 3RV2021-4NA10

Overview

The Siemens 3RV2021-4NA10 is a robust and essential component from the acclaimed SIRIUS series, specifically engineered to deliver unparalleled protection for electric motors within demanding industrial environments. This motor starter protector is not merely a component; it's a guardian for your critical machinery, ensuring operational continuity and extending motor lifespan. Boasting an adjustable current range of 23 to 28 Amperes, it offers the flexibility needed to precisely match various motor requirements, thereby guaranteeing optimal performance and paramount safety. Its intuitive design includes a prominent rotary ON/OFF handle, simplifying operation and enhancing user convenience. Furthermore, with Class 10 overload trip characteristics, this device reacts swiftly, interrupting power within 10 seconds or less during overload conditions to prevent potential damage. The integration of secure screw terminals streamlines the wiring process, contributing to a hassle-free installation and a reliable, enduring connection.

Key Features

• Precise Adjustable Current Range: Offers a flexible setting from 23 to 28 Amperes, ensuring accurate protection tailored to specific motor loads.
• Rapid Class 10 Overload Protection: Guarantees swift response and tripping within 10 seconds or less under overload conditions, safeguarding motors from thermal damage.
• Intuitive Rotary ON/OFF Operation: Designed with a user-friendly rotary handle for straightforward manual control and clear operational status indication.
• Secure Screw Terminals: Provides robust and efficient electrical connections, minimizing installation time and maximizing reliability.
• Universal DIN Rail Mounting: Compatible with standard 35 mm DIN rails, allowing for quick and seamless integration into existing control panels.
• Comprehensive Motor Safeguarding: Effectively protects 3-phase motors up to 18.5 kW at 400 V AC from both overload and short-circuit faults.
• IEC and UL Compliance: Meets stringent international and North American safety and performance standards, ensuring global applicability and peace of mind.

Technical Specifications

• Product Type: Motor Starter Protector
• Part Number: 3RV2021-4NA10
• Brand: SIEMENS
• Series: SIRIUS
• Rated Operational Voltage (Ue): Up to 690 V AC/DC
• Rated Current (In): 23 to 28 A
• Overload Release Class: Class 10
• Short-Circuit Release: Fixed at 364 A
• Number of Poles: 3
• Terminals: Screw-type
• Mounting: 35 mm DIN rail
• Dimensions (W x H x D): 45 mm x 97 mm x 97 mm
• Weight: Approximately 0.84 lb (0.38 kg)
• Compliance: Conforms to IEC and UL standards

Applications

• Industrial Motor Protection: Essential for safeguarding a wide range of 3-phase motors in factories, plants, and workshops, preventing costly downtime and repairs.
• Automated Systems Integration: Perfectly suited for deployment within sophisticated industrial automation systems where reliable and precise motor control is critical.
• Control Panel Assembly: An ideal component for integration into industrial control panels, providing a compact yet powerful protective solution.
• Pumps and Fans: Ensures the continuous, safe operation of pumps, fans, and other motor-driven equipment, vital for various industrial processes.
• HVAC Systems: Offers dependable protection for motors within commercial and industrial heating, ventilation, and air conditioning systems.
• Conveyor Systems: Maintains the smooth and uninterrupted operation of conveyor belts by protecting their drive motors from electrical faults.

Why Choose This Model?

• Unwavering Reliability from SIEMENS: Benefit from the renowned quality and engineering excellence of SIEMENS, a global leader in industrial automation.
• Enhanced Motor Lifespan: Its precise overload and short-circuit protection significantly reduces the risk of motor damage, extending their operational life.
• Simplified Installation and Maintenance: Designed for ease of use with screw terminals and DIN rail mounting, streamlining setup and reducing maintenance efforts.
• Optimized Performance: The adjustable current range allows for fine-tuned protection, ensuring motors operate within their optimal parameters without unnecessary trips.
• Global Standards Compliance: Conformance to both IEC and UL standards signifies its suitability and safety for a diverse range of international applications.
• Compact and Space-Saving Design: Its efficient dimensions allow for easy integration into crowded control panels, maximizing valuable cabinet space.

Order Now

Elevate your industrial motor protection strategy with the Siemens 3RV2021-4NA10 SIRIUS motor starter protector. Invest in superior reliability, enhanced safety, and extended motor lifespan for your critical operations. Browse our complete selection of Siemens Industrial Automation Products to discover more innovative solutions.