Littelfuse H326025P - SLO-BLO CERAMIC FUSE H-PACK 25A. The 3AB Slo-Blo® Fuse with ceramic body construction permits higher interrupting ratings and voltage ratings. Ideal for applications where high current loads are expected. 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

H326025P

Alternate Item Number: 0326025.HXP

UPC: 079458925739


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Overview

The Littelfuse 3AB Slo-Blo Ceramic Fuse, SKU H326025P, represents a pinnacle of overcurrent protection technology, engineered for the most demanding industrial and commercial applications. This 25A fuse is distinguished by its robust ceramic body construction, a critical design element that significantly enhances its interrupting and voltage ratings compared to glass-bodied alternatives. This superior performance makes it the ideal choice for circuits experiencing high current loads, transient surges, or where enhanced safety and reliability are paramount. Engineered in strict accordance with UL Standard 248-14, this Littelfuse fuse guarantees adherence to rigorous safety and performance benchmarks. The ceramic body not only contributes to higher electrical ratings but also provides exceptional thermal management, ensuring consistent and reliable operation even under sustained stress. This durability is essential in industrial settings where equipment uptime and protection are critical to operational efficiency and cost-effectiveness. The 3AB Slo-Blo® design signifies its time-delay characteristic, meaning it can withstand temporary inrush currents without nuisance tripping, while still providing rapid protection against sustained overloads and short circuits. This balance is crucial for protecting sensitive electronic components, motors, and other industrial equipment from damage, thereby extending their operational lifespan and reducing maintenance costs. Littelfuse offers this high-performance fuse in both cartridge and axial lead formats, providing flexibility for a wide array of installation requirements and equipment designs. Furthermore, the availability of various forming dimensions ensures seamless integration into existing or new panel designs and circuit boards. This adaptability simplifies the design and manufacturing process for system integrators and equipment builders. In line with global environmental standards, the H326025P is both RoHS compliant and Lead-free, reflecting Littelfuse's commitment to sustainable manufacturing practices and the reduction of hazardous substances in electronic components. This compliance is increasingly important for manufacturers exporting products to regions with strict environmental regulations. Key Features and Benefits: * **Superior Ceramic Body Construction:** Offers higher interrupting and voltage ratings for enhanced safety and reliability under high current loads. * **UL Standard 248-14 Compliance:** Ensures adherence to stringent safety and performance requirements for industrial fuses. * **Slo-Blo® Time-Delay Characteristic:** Provides protection against sustained overloads and short circuits while tolerating temporary inrush currents. * **Versatile Formats:** Available in cartridge and axial lead configurations with various forming dimensions for broad application compatibility. * **RoHS Compliant and Lead-Free:** Meets global environmental regulations for sustainable product design. Applications for the Littelfuse H326025P are extensive, including power supplies, industrial control panels, motor drives, HVAC systems, and any application where robust and reliable overcurrent protection is a necessity. When selecting fuses for critical industrial equipment, professionals trust Littelfuse for their legacy of quality, innovation, and unwavering commitment to safety. The H326025P is a testament to this commitment, offering dependable protection that safeguards valuable assets and ensures operational continuity.
  • Robust ceramic body construction for superior interrupting and voltage ratings.
  • 25A rating, ideal for high current load applications.
  • Slo-Blo® time-delay characteristic for reliable overcurrent protection.
  • Compliant with UL Standard 248-14 for industrial safety.
  • Available in cartridge and axial lead formats with various forming dimensions.

Specifications

Amperage Rating
25 Amps
Application
electronic equipment & appliances
Brand Name
Littelfuse
Connection Type
Cartridge/Axial Lead
Current Rating
25 A
Material
Ceramic
Series
3AB Slo-Blo
Special Features
Slo-Blo
Standard
UL Standard 248-14
Sub Brand
326 Series
Type
3AB Slo-Blo
Package Dimensions (L x W x H)
1.25 IN x 0.25 IN x 0.25 IN
Package Dimensions (L x W x H)
3.175 cm x 6.35 mm x 6.35 mm
Package Weight (Imperial)
0.150 L
Package Weight (Metric)
0.068 kg
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9F61 Size B Clips 1.6in

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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.