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Siemens 3RA6120-1DB32 motor protection and switching device

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Siemens 3RA6120-1DB32

by Siemens

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OverviewThe Siemens 3RA6120-1DB32 is a state-of-the-art motor protection and switching device specifically engineered for the demanding world of industrial automation. This robust unit acts as a complete safeguard for your motors, incorporating crucial protective features such as overload, short-circuit, and phase failure detection within an exceptionally compact footprint. Its design prioritizes uninterrupted operation, significantly decreasing the potential for downtime and boosting overall safety in motor-driven setups by proactively averting damage from electrical irregularities. By guaranteeing stable motor function, the 3RA6120-1DB32 contributes to heightened productivity and sustained efficiency across various industrial uses. This device is an indispensable element for any system demanding reliable motor control and superior defense against electrical malfunctions.Key Features Integrated Motor Protection: Delivers extensive overload, short-circuit, and phase failure protection to preserve motor integrity and prolong operational lifespan. Extremely Compact Design: Engineered to be four times smaller than comparable devices, enabling effortless integration into busy control panels and optimizing spatial use. High Performance Switching: Assures dependable motor switching and protection, vital for maintaining continuous and efficient operation in active industrial environments. Simple Installation: Designed for straightforward DIN rail mounting, allowing for fast, easy, and efficient setup, which minimizes installation duration and effort. Adjustable Protection Settings: Provides customizable parameters to precisely match the protection requirements of various motor types and applications, ensuring tailored performance. Energy Efficiency Focused: Helps reduce energy consumption during motor operation by preventing fault-induced power losses and optimizing motor performance. Technical Specifications Model: Siemens 3RA6120-1DB32 Type: Motor protection and switching device Rated Voltage: 230V to 400V AC Rated Current: 10A to 32A Mounting Type: DIN rail mountable Protection Features: Overload protection, short-circuit protection, and phase failure protection Operating Temperature Range: -20°C to +60°C Weight: 0.5 kg Dimensions: 72 x 90 x 60 mm Control Voltage: 24V DC Applications General Industrial Motor Protection: Essential for protecting motors in a wide range of industrial machinery, including pumps, industrial fans, and conveyor systems, ensuring their longevity and reliable operation. Automated Industrial Systems: Integral for maintaining the safe and efficient operation of motor-driven components within complex automated production lines and robotic systems. Material Handling and Conveyor Solutions: Provides critical motor protection in material handling equipment and conveyor belts, preventing disruptions and ensuring smooth logistical operations. HVAC and Climate Control Systems: Optimally protects motors in heating, ventilation, and air conditioning units, contributing to stable environmental control and reduced maintenance needs. Chemical and Process Industries: Ideal for protecting motors in mixing, stirring, and pumping applications where precise motor control and robust protection are paramount. Water and Wastewater Treatment: Ensures reliable operation of pump motors and aerators, crucial for maintaining continuous service in critical infrastructure. Why Choose This Model?The 3RA6120-1DB32 sets itself apart through its superior motor longevity, achieved by offering unparalleled defense against common electrical faults. This significantly prolongs the operational life of your motors, leading to reduced replacement expenses. Furthermore, its dependable protection mechanisms minimize unforeseen shutdowns, ensuring continuous production and substantially boosting overall system uptime and productivity. Its exceptionally compact design makes it an excellent option for installations where panel space is at a premium.Order NowEnhance your industrial systems with the Siemens 3RA6120-1DB32. Contact us today to secure this essential motor protection device and ensure the continued efficiency and safety of your operations.FAQQ: What types of protection does the Siemens 3RA6120-1DB32 offer?A: This device offers comprehensive protection against overload, short-circuit, and phase failure, safeguarding your motors from common electrical issues.Q: Is the Siemens 3RA6120-1DB32 easy to install?A: Yes, it is designed for effortless DIN rail mounting, which allows for quick and straightforward installation, minimizing setup time and effort.Q: Can the protection settings be adjusted for different motors?A: Absolutely. The device provides customizable protection parameters, allowing you to precisely match the needs of various motor types and applications.Q: How does this device contribute to energy efficiency?A: By preventing fault-induced power losses and optimizing motor performance, the 3RA6120-1DB32 helps reduce energy consumption during motor operation.Q: In which industries is the Siemens 3RA6120-1DB32 commonly used?A: It is widely utilized in general industrial motor protection, automated industrial systems, material handling, HVAC, chemical industries, and water/wastewater treatment applications.

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PRODUCT DETAILS

Siemens 3RA6120-1DB32

Overview

This is a genuine Siemens component. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Siemens catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Siemens automation ecosystem

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Siemens equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Siemens catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Siemens platform with documented conversion notes

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Model: Siemens 3RA6120-1DB32
  • Type: Motor protection and switching device
  • Rated Voltage: 230V to 400V AC
  • Rated Current: 10A to 32A
  • Mounting Type: DIN rail mountable
  • Protection Features: Overload protection, short-circuit protection, and phase failure protection
  • Operating Temperature Range: -20°C to +60°C
  • Weight: 0.5 kg
  • Dimensions: 72 x 90 x 60 mm
  • Control Voltage: 24V DC

Applications

  • General Industrial Motor Protection: Essential for protecting motors in a wide range of industrial machinery, including pumps, industrial fans, and conveyor systems, ensuring their longevity and reliable operation.
  • Automated Industrial Systems: Integral for maintaining the safe and efficient operation of motor-driven components within complex automated production lines and robotic systems.
  • Material Handling and Conveyor Solutions: Provides critical motor protection in material handling equipment and conveyor belts, preventing disruptions and ensuring smooth logistical operations.
  • HVAC and Climate Control Systems: Optimally protects motors in heating, ventilation, and air conditioning units, contributing to stable environmental control and reduced maintenance needs.
  • Chemical and Process Industries: Ideal for protecting motors in mixing, stirring, and pumping applications where precise motor control and robust protection are paramount.
  • Water and Wastewater Treatment: Ensures reliable operation of pump motors and aerators, crucial for maintaining continuous service in critical infrastructure.

Why Choose the 3RA6120-1DB32?

The 3RA6120-1DB32 sets itself apart through its superior motor longevity, achieved by offering unparalleled defense against common electrical faults. This significantly prolongs the operational life of your motors, leading to reduced replacement expenses. Furthermore, its dependable protection mechanisms minimize unforeseen shutdowns, ensuring continuous production and substantially boosting overall system uptime and productivity. Its exceptionally compact design makes it an excellent option for installations where panel space is at a premium.

Availability & Shipping

  • In stock: 3RA6120-1DB32 ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every 3RA6120-1DB32 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Siemens

A: This device offers comprehensive protection against overload, short-circuit, and phase failure, safeguarding your motors from common electrical issues.

Machine down? We ship parts the same day.

New, surplus, and refurbished Siemens inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

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Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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