Littelfuse 031802.5MXP - FAST-ACTING GLASS AXIAL M-PACK 2.5AS. The 3AG Fast-Acting Fuse solves a broad range of application requirements while offering reliable performance and cost-effective circuit protection. Features: In accordance with UL Standard 248-14. Available in cartridge and axial lead format and with various forming dimensions. RoHS compliant and Lead-free.
Littelfuse

031802.5MXP

UPC: 079458926651


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Overview

The Littelfuse 031802.5MXP Fast-Acting Glass Axial M-Pack Fuse is a precision-engineered circuit protection solution designed for industrial and electronic systems where rapid response and reliability are critical. As part of Littelfuse’s industry-leading 3AG fuse family, this 2.5-ampere fuse provides exceptional performance in applications requiring fast-acting interruption to prevent damage from overcurrent conditions. Manufactured to comply with UL Standard 248-14, the 031802.5MXP ensures consistent and predictable operation across a wide range of electrical environments, making it a trusted choice for engineers and system designers in power distribution, control panels, instrumentation, and consumer electronics. This fuse features a robust glass axial M-Pack design, combining durability with ease of installation. The axial lead configuration allows for straightforward integration into printed circuit boards (PCBs) and panel-mounted applications, while the glass body provides visual confirmation of fuse status and superior thermal performance. Its fast-acting characteristic ensures quick response to fault conditions, minimizing downtime and protecting sensitive components such as transformers, motors, and semiconductors from transient overloads and short circuits. The 031802.5MXP is RoHS compliant and lead-free, meeting stringent global environmental regulations without compromising performance. This makes it ideal for use in modern manufacturing environments where sustainability and regulatory compliance are priorities. Available in both cartridge and axial lead formats, the fuse offers flexibility for engineers to select the optimal configuration for their specific application requirements. Littelfuse’s extensive experience in circuit protection ensures that this fuse delivers not only reliable operation but also long-term cost efficiency through reduced maintenance and minimized equipment damage. Typical applications for the Littelfuse 031802.5MXP include industrial control systems, power supplies, motor starters, lighting circuits, and telecommunications equipment. It is particularly well-suited for environments where space is constrained and reliable, compact protection is essential. Professionals in the electrical, automation, and renewable energy sectors rely on Littelfuse fuses for their proven track record in safety and performance. Installation is straightforward, with clear labeling and dimensional consistency ensuring compatibility with standard fuse holders and clips. For optimal performance, always verify voltage and current ratings against system requirements and follow manufacturer guidelines for mounting and replacement. Littelfuse is a globally recognized leader in circuit protection, with over a century of innovation and expertise in fuse technology. The company’s commitment to quality, safety, and environmental responsibility has made its products a standard in industries ranging from aerospace to consumer electronics. By choosing the 031802.5MXP, engineers gain access to a trusted solution backed by comprehensive technical support and global distribution networks, ensuring seamless integration and long-term reliability in any application.
  • Fast-acting 2.5A fuse for rapid overcurrent protection
  • Glass axial M-Pack design with durable construction
  • UL Standard 248-14 compliant for industrial reliability
  • RoHS compliant and lead-free for environmental safety
  • Available in cartridge and axial lead formats for versatility

Specifications

Amperage Rating
3.2 Amps
Application
Perfect for use in lighthing systems
Brand Name
Littelfuse
Special Features
Time-Delay
Standard
Standard 248-14 UL Listed/CSA
Sub Brand
POWR-GARD LMF Series
Type
InLine Fuse
Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount

GPM-SRR90

Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount
Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20

C331156

Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20
Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8

1SCM8

Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8
Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

E1062696

Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20
POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.

LCC5

POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.
9F61 Size B Clips 1.6in

9F61BWW460

9F61 Size B Clips 1.6in

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.