Littelfuse 0235.400MXEP - FAST-ACTING GLASS FUSE M-PACK .400EPA. 5x20mm medium-acting glass body fuse designed to UL specification. Features: Designed to UL/CSA/ANCE 248 Standard. Available in cartridge and axial lead format RoHS compliant and lead-free.
Littelfuse

0235.400MXEP

UPC: 079458908039

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Minimum Qty: 1000

Multiplier: 1000

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Overview

The Littelfuse 0235.400MXEP M-PACK Series glass fuse stands as a critical component for robust circuit protection in demanding industrial and electronic environments. Engineered with precision and adherence to stringent global safety standards, this fast-acting fuse is designed to interrupt electrical circuits rapidly in the event of overcurrent or short-circuit conditions, safeguarding sensitive equipment and preventing potential hazards. Its 5x20mm form factor is a widely adopted standard, ensuring compatibility with a vast array of existing fuse holders and equipment designs. Manufactured by Littelfuse, a globally recognized leader in circuit protection, the 0235.400MXEP benefits from decades of expertise and a commitment to quality. This specific model is designed to meet and exceed UL, CSA, and ANCE 248 standards, providing engineers and technicians with the confidence of reliable performance and safety compliance. The fast-acting nature of this fuse is crucial for applications where rapid response to fault conditions is paramount, minimizing damage to downstream components and reducing downtime. Key features of the Littelfuse 0235.400MXEP include: * **Fast-Acting Performance:** Designed for rapid interruption of fault currents, offering superior protection against transient overloads and short circuits. * **UL/CSA/ANCE 248 Compliance:** Meets rigorous international safety standards, ensuring reliable and safe operation in diverse applications. * **5x20mm Glass Body Cartridge:** A standard size for broad compatibility and ease of replacement in existing systems. * **Axial Lead Format:** Facilitates secure and reliable soldering or connection in printed circuit board (PCB) assemblies and other electronic configurations. * **RoHS Compliant and Lead-Free:** Manufactured with environmentally responsible materials, aligning with modern regulatory requirements and sustainability initiatives. This fuse is an ideal choice for a wide spectrum of applications, including power supplies, control panels, industrial machinery, consumer electronics, telecommunications equipment, and automotive electronics. Its reliable overcurrent protection is essential for maintaining the integrity and longevity of complex electrical systems. The robust glass body construction ensures durability and consistent performance under various operating conditions, while the axial lead format simplifies integration into custom or standard circuit designs. When selecting circuit protection, the Littelfuse 0235.400MXEP offers a dependable solution that combines performance, compliance, and environmental responsibility, making it a preferred component for professionals seeking uncompromising safety and operational efficiency.
  • Fast-acting interruption for rapid overcurrent and short-circuit protection.
  • Designed to UL/CSA/ANCE 248 safety standards for reliable performance.
  • Standard 5x20mm glass body cartridge for broad equipment compatibility.
  • Axial lead format for secure PCB mounting and electrical connections.
  • RoHS compliant and lead-free construction for environmental responsibility.

Specifications

Application
electronic equipment & appliances
Brand Name
Littelfuse
Connection Type
Axial Lead
Connection Type
Axial Lead / Cartridge
Current Rating
0.400 A
Material
Glass
Series
M-PACK
Size
5x20mm
Special Features
Fast-Acting
Standard
UL/CSA/ANCE 248 Standard
Sub Brand
235 Series
Type
5 x 20 mm UL/CSA Fast-Acting
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9F61 Size B Clips 1.6in

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9F61 Size B Clips 1.6in
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.

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.