Littelfuse MPU-CIM-00-00 - Interface between MPU-32 or FPU-32 and 5-A-secondary, 1-A-secondary, and sensitive current transformers.
Littelfuse

MPU-CIM-00-00

Alternate Item Number: MPU-CIM-00-00

UPC: 079458978247


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Overview

The Littelfuse MPU-CIM-00-00 Current Input Module (SKU: MPU-CIM-00-00) connects Littelfuse MPU-32 or FPU-32 Motor Protection Units to current transformers (CTs). It enables three-phase current monitoring, ground-fault detection, and metering with 5-A-secondary, 1-A-secondary, and sensitive CTs. Required for MPU-32 relays using phase and ground-fault CTs, it ensures accurate signal transmission for system reliability. Compatible with 5-A, 1-A, and sensitive CTs, the MPU-CIM-00-00 simplifies retrofits and new installations without CT replacement, reducing costs and lead times. Mounting options include surface and DIN-rail installation for control panels, MCCs, and switchgear. Standard wire-clamping terminals are included; the MPU-CTI-RT-00 variant offers ring-tongue terminals. The module’s precise current signal transmission to the MPU-32 relay enhances fault detection, overload protection, and energy monitoring. Built for harsh environments, it reduces commissioning time and operational downtime. Applications include low-voltage, medium-horsepower induction motors in manufacturing, mining, oil and gas, power distribution panels, MCCs, and ground-fault protection systems with zero-sequence CTs. The MPU-CIM-00-00 is ordered separately from the MPU-32 relay. It supports SE-Comm-RIS PC-interface software for RS-232 or network configuration and real-time monitoring of motor protection functions.
  • Interfaces Littelfuse MPU-32/FPU-32 relays with 5-A, 1-A, and sensitive current transformers (CTs).
  • Mandatory for MPU-32 relays with phase and ground-fault CTs for comprehensive monitoring.
  • Universally compatible with 5-A and 1-A secondary CTs, facilitating retrofits.
  • Supports surface or DIN-rail mounting for flexible integration into control panels and switchgear.
  • Enhances system reliability through accurate current signal transmission for precise fault detection and protection.

Specifications

Application
NA
Brand Name
Littelfuse
Connection Type
Screw Terminal / Ring-Tongue Terminals (variant)
Current Rating
5 A, 1 A
Mounting Type
Surface or DIN-rail
Series
MPU-CIM
Special Features
Interface between MPU-32 or FPU-32
Standard
CSA
Sub Brand
MPU CIM Series
Type
Input Modules
Package Dimensions (L x W x H)
2.2 IN x 4.4 IN x 3.4 IN
Package Dimensions (L x W x H)
5.588 cm x 11.176 cm x 8.636 cm
Package Weight (Imperial)
1.980 L
Package Weight (Metric)
0.900 kg
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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.