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Siemens 3RV2021-4NA10

by Siemens

OverviewThe Siemens 3RV2021-4NA10 is a robust motor starter protector from the trusted SIRIUS series, designed for comprehensive motor protection in demanding industrial settings. This device safeguards electric motors, ensuring operational continuity and extending their lifespan. With an adjustable current range of 23 to 28 Amperes, it offers precise customization to match various motor requirements, guaranteeing optimal performance and safety. An intuitive rotary ON/OFF handle simplifies operation, enhancing user convenience. Its Class 10 overload trip characteristics ensure swift power interruption within 10 seconds or less during overload conditions, preventing potential damage. Secure screw terminals facilitate straightforward wiring, ensuring hassle-free installation and a reliable, lasting connection.Key Features Adjustable Current Range: Offers a flexible setting from 23 to 28 Amperes for accurate protection tailored to specific motor loads. Rapid Overload Protection: Ensures quick response and tripping within 10 seconds or less under overload conditions, shielding motors from thermal stress. Intuitive Operation: Features a user-friendly rotary handle for simple manual control and clear operational status indication. Secure Connections: Provides robust and efficient electrical connections through screw terminals, minimizing installation time and maximizing reliability. Universal Mounting: Compatible with standard 35 mm DIN rails, allowing for quick integration into existing control panels. Comprehensive Safeguarding: Effectively protects 3-phase motors up to 18.5 kW at 400 V AC from both overload and short-circuit faults. Global Compliance: Meets stringent international and North American safety and performance standards (IEC and UL), ensuring broad applicability. 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 Safeguarding: Essential for protecting a wide array of 3-phase motors in manufacturing facilities, preventing costly downtime and repairs. Automated Systems: Ideal for integration into sophisticated industrial automation setups where precise motor control is critical. Control Panel Integration: A core component for industrial control panels, offering a compact and powerful protective solution. Pumps and Fans: Ensures continuous, safe operation of pumps, fans, and other motor-driven equipment vital for various industrial processes. HVAC Systems: Provides dependable protection for motors within commercial and industrial heating, ventilation, and air conditioning systems. Conveyor Mechanisms: Maintains the uninterrupted operation of conveyor belts by protecting their drive motors from electrical faults. Why Choose?Benefit from the renowned quality and engineering excellence of SIEMENS, a global leader in industrial automation. Its precise overload and short-circuit protection significantly reduces the risk of motor damage, extending their operational life. Designed for ease of use with screw terminals and DIN rail mounting, streamlining setup and reducing maintenance efforts.Order NowSecure your operations with the Siemens 3RV2021-4NA10 motor starter protector. Contact Palm Parts Solution today to place your order or request a quote for this essential industrial component.FAQWhat types of motors is the Siemens 3RV2021-4NA10 designed to protect?It is specifically engineered to protect 3-phase AC motors, primarily up to 18.5 kW at 400 V AC, against both overloads and short circuits.How does the Class 10 overload protection feature work?Class 10 overload protection means the device will trip and interrupt power within 10 seconds or less when an overload condition is detected, quickly safeguarding the motor from damage.Is this motor starter protector difficult to install?No, it is designed for simplified installation with secure screw terminals for wiring and universal 35 mm DIN rail mounting, allowing for quick integration into existing control panels.

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