Authorized Littelfuse Distributor
Littelfuse H324008P - FAST-ACTING CER W/ AXIAL H-PACK 8A. The 3AB Fast-Acting 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 H324008P FAST-ACTING CER W/ AXIAL H-PACK 8A. The 3AB Fast-Acting Fuse with ceramic body…

Alternate Item Number: 0324008.HXP

UPC: 079458928402

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BrochureTechnical BulletinTechnical DrawingSpecification Sheet

Contact for Pricing

Minimum Qty: 100

Multiplier: 100

*Contact for lower quantities*

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The **Littelfuse 3AB Fast-Acting Ceramic Fuse (SKU: H324008P)** is a high-reliability, ceramic-body fuse engineered for demanding industrial and electronic applications where rapid fault response is critical. Designed to meet **UL Standard 248-14**, this 8-ampere axial lead fuse delivers exceptional interrupting ratings and voltage tolerance, ensuring robust protection against overcurrent conditions in high-load environments. Its **ceramic construction** provides superior thermal stability and mechanical strength, making it ideal for harsh operating conditions where plastic or glass fuses may fail prematurely. **Key Features & Technical Advantages:** - **Fast-Acting Response:** The 3AB series is optimized for rapid fault interruption, minimizing downtime and reducing the risk of catastrophic equipment failure in sensitive circuits. This is particularly critical in power supplies, motor drives, and control systems where even millisecond delays can lead to component damage. - **High Interrupting Ratings:** The ceramic body construction enables higher interrupting ratings compared to standard glass or plastic fuses, allowing the 3AB to safely handle fault currents in industrial machinery, renewable energy systems, and high-power electronics. - **Axial Lead Configuration:** The axial lead design simplifies installation in printed circuit boards (PCBs) and chassis-mounted applications, offering flexibility for both through-hole and surface-mount configurations with appropriate forming dimensions. - **Regulatory Compliance:** Fully compliant with **UL 248-14** and **RoHS standards**, the H324008P ensures adherence to global safety and environmental regulations, making it suitable for use in regulated industries such as aerospace, medical devices, and automotive electronics. - **Versatile Forming Options:** Available in multiple forming dimensions, this fuse can be customized to fit specific mounting requirements, reducing the need for custom tooling or redesigns in high-volume production environments. **Industry Applications & Use Cases:** The **Littelfuse 3AB Fast-Acting Ceramic Fuse** is a trusted choice across a wide range of sectors, including: - **Industrial Automation:** Protects PLCs, motor starters, and variable frequency drives (VFDs) from transient overcurrents and short circuits. - **Power Supplies & Converters:** Safeguards high-current DC power supplies, battery management systems, and inverters in renewable energy installations. - **Telecommunications:** Provides reliable backup protection for network infrastructure, including routers, switches, and base stations where uptime is non-negotiable. - **Medical Equipment:** Ensures patient safety in diagnostic devices, surgical tools, and life-support systems by preventing electrical faults. - **Automotive & Transportation:** Used in EV charging systems, battery packs, and control modules to meet stringent automotive safety standards. **Why Choose Littelfuse for Fast-Acting Fuses?** Littelfuse is a global leader in circuit protection, with over a century of innovation in fuse technology. The **3AB series** exemplifies the company’s commitment to durability, precision, and compliance, backed by rigorous testing and a reputation for reliability in mission-critical applications. Professionals in electrical engineering, maintenance, and procurement trust Littelfuse for solutions that balance performance, safety, and longevity. **Installation & Selection Considerations:** When specifying the **H324008P**, professionals should evaluate: - **Fault Current Ratings:** Ensure the fuse’s interrupting rating exceeds the prospective fault current of the system to prevent catastrophic failure. - **Voltage Rating:** Match the fuse’s voltage rating to the circuit’s operating voltage to avoid arcing or breakdown. - **Mounting Environment:** The ceramic body excels in high-temperature or vibration-prone environments, but always verify thermal dissipation requirements. - **Form Factor:** Axial leads offer ease of assembly, but consider forming options for space-constrained or automated production lines. For engineers and procurement teams seeking a **high-performance, fast-acting fuse** that meets stringent safety and regulatory standards, the **Littelfuse 3AB (H324008P)** delivers uncompromising protection with the reliability of a trusted industry leader.
  • 8A fast-acting ceramic fuse with axial lead configuration
  • Ceramic body for superior thermal stability and mechanical strength
  • UL Standard 248-14 and RoHS compliant for global safety
  • High interrupting ratings ideal for high-current applications
  • Available in multiple forming dimensions for versatile mounting

Specifications

Amperage Rating
8 Amps
Application
electronic equipment & appliances
Brand Name
Littelfuse
Connection Type
Axial Lead
Current Rating
8 A
Material
Ceramic
Series
3AB
Special Features
Fast-Acting
Standard
UL Standard 248-14
Sub Brand
324 Series
Type
3AB Fast-Acting
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
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 Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

E1062696

Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20
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 600VAC 600VDC Class CC 30A 3-Pole Pressure Plate with Reinforced Clip

30323R

Fuse Block 600VAC 600VDC Class CC 30A 3-Pole Pressure Plate with Reinforced Clip
9F61 Size B Clips 1.6in

9F61BWW460

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

What protection do feeder protection relays offer?

Feeder protection relays protect circuits from overcurrent, ground faults, phase loss, overload, and other detrimental conditions.

What is the Industrial Shock-Block® GFCI designed for?

It is designed for people protection in industrial facilities and meets UL Standard 943C Class C and Class D.

What do Littelfuse voltage monitors protect against?

Voltage monitors provide protection against both supply line and load side faults when the motor is running.

How do arc-flash protection relays enhance safety?

These relays detect developing arc-flash incidents and send a trip signal to interrupt power before significant damage occurs.

What types of protection do Littelfuse motor protection relays offer?

They offer voltage monitors, current monitors, and Bluetooth-enhanced overload relays for low and medium voltage applications.

What is the purpose of Littelfuse Techline support?

Techline experts answer questions about product cross-references, general technical information, engineering drawings, and application assistance.

What types of fuses does Littelfuse offer for industrial applications?

Littelfuse offers UL Class fuses, high-speed fuses, medium voltage fuses, 10 x 38 mm fuses, and solar fuses for industrial applications.

What are Littelfuse high-speed fuses used for?

High-speed fuses protect critical power semiconductor devices against short circuits in power conversion applications like inverters and variable-speed drives.

What is the voltage range for Littelfuse solar fuses?

Littelfuse offers solar fuses and holders up to 1500 Vdc for both high-current and low-current applications.

How do resistance grounding systems benefit industrial applications?

High-resistance grounding limits point-of-fault damage and eliminates arc-flash hazards and transit overvoltages associated with ground faults.

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.