Littelfuse H325007P - SLO-BLO CERAMIC AXIAL H-PACK 7A. 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

H325007P

Alternate Item Number: 0325007.HXP

UPC: 079458929300


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Overview

The **Littelfuse 3AB Slo-Blo® Ceramic Axial Fuse (SKU: H325007P)** is a high-performance, time-delay fuse engineered for industrial applications where high current loads and transient surges are common. Designed with a robust ceramic body, this fuse delivers superior interrupting ratings and voltage withstand capabilities, ensuring reliable protection in demanding environments such as power supplies, motor circuits, transformers, and industrial control panels. Unlike standard fast-acting fuses, the Slo-Blo® design incorporates a time-delay element that allows brief overloads—such as startup currents in motors or inrush currents in capacitors—without nuisance tripping, while still providing critical fault protection when sustained overcurrents occur. Built to meet **UL Standard 248-14**, the 3AB Slo-Blo® fuse is a trusted choice for professionals who require compliance with stringent safety and performance benchmarks. Its axial lead configuration facilitates straightforward installation into printed circuit boards, chassis mounts, or terminal blocks, making it highly adaptable across a wide range of industrial, commercial, and automotive applications. The ceramic construction not only enhances thermal stability and mechanical strength but also supports higher voltage ratings, making it suitable for both low- and medium-voltage systems. **Key Applications:** - **Motor protection:** Ideal for fractional horsepower motors, pumps, and HVAC systems where startup inrush currents can exceed nominal ratings. - **Power supplies & transformers:** Safeguards sensitive components from overloads during fault conditions or transient events. - **Industrial control panels:** Provides branch protection in PLCs, relays, and motor starters. - **Automotive & marine systems:** Used in charging circuits, lighting systems, and auxiliary power units. - **Renewable energy systems:** Protects inverters, charge controllers, and battery management circuits in solar and wind installations. Professionals choose the **Littelfuse 3AB Slo-Blo® Ceramic Axial Fuse** for its proven reliability, long service life, and compatibility with global safety standards. Whether deployed in harsh industrial environments or mission-critical systems, this fuse delivers consistent performance under extreme conditions. Its RoHS compliance and lead-free construction further support sustainability initiatives and regulatory adherence in modern manufacturing. **Why Trust Littelfuse?** With over a century of innovation in circuit protection, Littelfuse is a global leader in fuse technology, trusted by engineers and OEMs worldwide. The 3AB Slo-Blo® series is part of a comprehensive portfolio of time-delay fuses designed to balance protection, performance, and cost-efficiency. Available in multiple configurations—including cartridge and axial lead formats—the 3AB Slo-Blo® fuse offers the flexibility to meet diverse design requirements without compromising on safety or reliability. For engineers specifying fuses for high-current industrial applications, the **Littelfuse 3AB Slo-Blo® Ceramic Axial Fuse (H325007P)** stands out as a durable, compliant, and high-performance solution that minimizes downtime and maximizes system integrity.
  • High-current protection with time-delay (Slo-Blo®) design for inrush tolerance
  • Ceramic body for superior interrupting ratings and thermal stability
  • Axial lead configuration for easy PCB and chassis mounting
  • UL Standard 248-14 compliant for safety and performance
  • RoHS compliant and lead-free for global regulatory adherence

Specifications

Amperage Rating
7 Amps
Application
electronic equipment & appliances
Brand Name
Littelfuse
Special Features
Slo-Blo
Standard
400A@250VAC/10KA@125VAC
Sub Brand
325 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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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

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Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8

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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 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.