Littelfuse MPU-32-02-00 - The MPU-32-02-00 is a motor protection unit with a supply voltage between 65–265 V ac and 80–275 V dc. This unit provides current and temperature-based protection with communication via RS/TIA-232 - DeviceNet.
Littelfuse

MPU-32-02-00

Alternate Item Number: MPU-32-02-00

UPC: 079458978186

Documents & Media
BrochureTechnical BulletinTechnical DrawingSpecification SheetUser Manual

Contact for Pricing

Overview

The Littelfuse MPU-32-02-00 Motor Protection Unit stands as a robust and intelligent solution for safeguarding critical industrial motors. Engineered by Littelfuse, a recognized leader in circuit protection, this unit offers comprehensive protection against common motor failure causes, including overcurrent and thermal overload. Its broad supply voltage compatibility, spanning 65–265 V ac and 80–275 V dc, ensures seamless integration into diverse power systems found in manufacturing plants, processing facilities, and other demanding industrial environments. At its core, the MPU-32-02-00 provides advanced monitoring and control capabilities. It continuously analyzes motor performance, detecting anomalies that could lead to premature failure. The unit's sophisticated current sensing technology allows for precise detection of overloads and short circuits, triggering immediate shutdown to prevent damage. Simultaneously, integrated temperature monitoring safeguards against overheating, a critical factor in motor longevity, especially in applications with high duty cycles or challenging ambient conditions. Beyond its protective functions, the MPU-32-02-00 excels in its connectivity. Featuring communication interfaces via RS/TIA-232 and DeviceNet, this motor protection unit facilitates effortless integration into modern industrial automation and control networks. This allows for real-time data acquisition, remote monitoring, diagnostics, and configuration, empowering plant managers and maintenance personnel with actionable insights. The ability to communicate with SCADA systems, PLCs, and other intelligent devices enhances operational efficiency, predictive maintenance strategies, and overall system visibility. Key benefits of deploying the Littelfuse MPU-32-02-00 include: * **Enhanced Motor Longevity:** Proactive protection against overcurrent and thermal stress significantly extends the operational life of electric motors. * **Reduced Downtime:** Rapid fault detection and shutdown minimize the risk of catastrophic motor failure, leading to fewer unplanned outages and associated production losses. * **Improved Operational Efficiency:** Real-time data and remote monitoring capabilities enable optimized performance tuning and quicker troubleshooting. * **Seamless System Integration:** Versatile communication protocols (RS/TIA-232, DeviceNet) ensure compatibility with existing and future industrial control architectures. * **Wide Application Versatility:** The broad voltage range and robust design make it suitable for a multitude of motor-driven applications, from pumps and fans to conveyors and compressors. When selecting motor protection, professionals prioritize reliability, accuracy, and ease of integration. The MPU-32-02-00 from Littelfuse delivers on all these fronts. Its construction adheres to stringent industrial standards, ensuring dependable performance even in harsh environments characterized by dust, moisture, or extreme temperatures. Installation is straightforward, and the unit's intuitive interface, coupled with its communication capabilities, simplifies commissioning and ongoing management. For industries where motor reliability is paramount, such as food and beverage processing, water treatment, mining, and general manufacturing, the MPU-32-02-00 represents a strategic investment in operational continuity and asset protection. Its advanced features and trusted manufacturer pedigree make it an indispensable component for any modern industrial motor control system.
  • Littelfuse MPU-32-02-00 Motor Protection Unit
  • Supply Voltage: 65–265 V ac / 80–275 V dc
  • Current and Temperature-Based Protection
  • Communication: RS/TIA-232 - DeviceNet
  • Designed for industrial motor safeguarding

Specifications

Application
NA
Brand Name
Littelfuse
Special Features
ideal for retrofitting and upgrading
Standard
UL, CSA, C-Tick, CE
Sub Brand
MPU 32 Series
Type
Motor Protection
Package Weight (Imperial)
3.960 L
Package Weight (Metric)
1.800 kg
Relay Accessories, Sockets & Clips, Printed Circuit Board, Phenolic, Printed Circuit Board, 6, Socket, Potter & Brumfield R10

1-1393143-3

Relay Accessories, Sockets & Clips, Printed Circuit Board, Phenolic, Printed Circuit Board, 6, Socket, Potter & Brumfield R10
Relay Accessories, Sockets & Clips, Solder, Polyester, Printed Circuit Board, 2, Socket, Potter & Brumfield R10

1-1393143-6

Relay Accessories, Sockets & Clips, Solder, Polyester, Printed Circuit Board, 2, Socket, Potter & Brumfield R10
RTXP 18

RK926011-BC

RTXP 18
RTXD Extractor Tool

6896057-1

RTXD Extractor Tool
Power supply for DIN-rail

PS-60

Power supply for DIN-rail
IP67 SCP-X Extreme Environment Series Power Supply. Double Stacked, Output Power 2 x 100W, Output Voltage 24 Vdc, Output Current 7.6 A total, 3.8 A per pair

SCP102D24X-C02

IP67 SCP-X Extreme Environment Series Power Supply. Double Stacked, Output Power 2 x 100W, Output Voltage 24 Vdc, Output Current 7.6 A total, 3.8 A per pair

Frequently Asked Questions about Littelfuse

What certifications and standards do Littelfuse products comply with?

Littelfuse products are certified to multiple international standards, including UL (Underwriters Laboratories), CSA (Canadian Standards Association), CCC (China Compulsory Certification), and EAC (Eurasian Conformity). Customers can verify specific product certifications by consulting individual product datasheets on Littelfuse.com, which provide comprehensive details about standards compliance for each component.

What industries and applications are Littelfuse products used for?

Littelfuse products are critical for electrical protection and safety across multiple industrial sectors, including manufacturing, automation, power distribution, and electrical control systems. Their comprehensive product portfolio serves industries that require robust electrical protection, including motor and pump applications, solar installations, programmable logic controllers (PLCs), electrical switch panels, and critical infrastructure environments. Key product lines protect against overcurrent, voltage transients, ground faults, and temperature-related electrical risks, ensuring equipment safety and operational reliability.

What technical support does Littelfuse offer?

Littelfuse offers comprehensive technical support through multiple channels. Their Technical Hotline (800-TEC-FUSE) provides direct access to engineers who can help identify issues and recommend solutions. Additionally, Littelfuse offers extensive online Technical Resources at Littelfuse.com, including datasheets, product manuals, whitepapers, application guides, and online design tools. Their experienced product and application engineers also provide step-by-step support from design to installation.

What are the main product lines offered by Littelfuse?

Littelfuse offers comprehensive industrial protection and control product lines, including fuses, fuse holders, protection relays, temperature sensors, and electrical safety components. Their key product categories span surge protective devices, custom OEM products, electrical switch panels, medium voltage fuses, ground-fault protection relays, motor and pump protection devices, and temperature sensors. These products are designed to minimize electrical safety hazards, limit equipment damage, improve productivity, and safeguard personnel from electrical faults.

What are the key features of Littelfuse products?

Littelfuse products feature exceptional circuit protection technologies with key characteristics including UL/IEC safety standard compliance, low internal resistance, and advanced protective capabilities across multiple product lines. Their components provide critical protection for industrial systems, offering features like overcurrent protection, voltage transient suppression, and resettable protection devices with ultra-low resistance and compact designs. Key product lines include fuses, metal oxide varistors (MOVs), TVS diodes, PolySwitch devices, and specialized electronic protection components that enhance system reliability and safety.

What environmental ratings do Littelfuse products have?

Littelfuse products feature comprehensive environmental ratings, including NEMA Type 1, 2, 3, 3R, 4/4X, 12, and 13 certifications, as well as IP65 protection. These ratings ensure superior protection in diverse industrial environments, with an operating temperature range of -40°F to +131°F (-40°C to +55°C). Many products also include UV-stabilized materials and neoprene gaskets for enhanced durability in outdoor and challenging conditions.

What accessories are available for Littelfuse products?

Littelfuse offers several key accessories across their product lines, including fuse holders, voltage monitoring modules, and terminal connectors. Specific accessories include the LPSM003ZXID (indicating) and LPSM003Z (non-indicating) POWR-SAFE Dead Front fuse holders for Class CC and Midget-Style fuses, the VRM6048 voltage monitor accessory module, and female quick connect terminals (P1015 series) in various wire gauge sizes. These accessories are designed to enhance protection, monitoring, and connectivity for Littelfuse electrical components.

What is Littelfuse's warranty policy?

Littelfuse provides comprehensive warranty details on their official website at www.littelfuse.com/warranty. Customers should visit this page to review the specific warranty terms and conditions for their specific product lines. For direct warranty support or questions, customers can contact Littelfuse Technical Support at 1-800-TEC-FUSE or email [email protected].

What communication protocols do Littelfuse products support?

Littelfuse supports a comprehensive range of industrial communication protocols, including PROFIBUS, PROFINET, EtherNet/IP, DeviceNet, Modbus RTU, and CANopen. Our products provide flexible connectivity solutions across multiple industrial automation platforms, enabling seamless integration with various control systems and network architectures.

How are Littelfuse products typically installed?

Littelfuse products are typically installed using specialized mounting hardware like fuse holders, blocks, and panels designed for specific industrial applications. The POWR-SAFE Dead Front holders, for example, provide optimum protection for Class CC and Midget-Style fuses, supporting installations up to 600 VAC/DC. Installation often involves using precision terminals with strain relief, such as 0.25 in. female quick connect terminals, to ensure secure and safe electrical connections in industrial control systems.