Littelfuse H322010P - VERY FAST ACTING MICRO H-PACK 10A. The 3AB Very Fast-Acting Fuse for protection of Silicon Controlled Rectifiers and similar solid-state devices. Features: In accordance with UL Standard 248-14. Available in cartridge format only. RoHS compliant and Lead-free.
Littelfuse

H322010P

Alternate Item Number: 0322010.HXP

UPC: 079458924503


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Overview

The Littelfuse H322010P, a 3AB Very Fast-Acting Fuse, is engineered to provide superior protection for sensitive Silicon Controlled Rectifiers (SCRs) and other critical solid-state power devices. In industrial and electronic applications where rapid response to overcurrent events is paramount, this fuse stands out for its exceptional performance and reliability. Its very fast-acting characteristic ensures that it interrupts fault currents almost instantaneously, minimizing the potential for damage to expensive and vital components. Designed in strict accordance with UL Standard 248-14, the H322010P fuse meets rigorous safety and performance benchmarks required for industrial-grade protection. This compliance assures engineers and technicians that the fuse will perform as expected under demanding conditions, safeguarding the integrity of their systems. The fuse is exclusively available in a cartridge format, a standard and convenient form factor that facilitates easy installation and replacement within fuse holders and power distribution blocks commonly found in control panels, power supplies, and motor drives. Furthermore, the Littelfuse H322010P is manufactured to be RoHS compliant and lead-free. This commitment to environmental responsibility aligns with global regulations and the increasing demand for sustainable electronic components. By choosing this fuse, manufacturers and end-users contribute to a greener supply chain without compromising on protection capabilities. The 10A current rating is precisely calibrated to offer optimal protection for a wide range of SCR applications, from variable speed drives and power converters to inverters and solid-state relays. Key benefits and features of the Littelfuse H322010P include: * **Exceptional Overcurrent Protection:** Its very fast-acting nature is crucial for protecting delicate solid-state devices like SCRs, thyristors, and triacs from damaging transient surges and fault currents. * **UL 248-14 Compliance:** Adheres to stringent safety standards, ensuring reliable and predictable performance in industrial environments. * **Cartridge Format:** Offers a universally compatible and easy-to-install form factor for seamless integration into existing or new designs. * **RoHS Compliant & Lead-Free:** Meets environmental regulations, supporting sustainable manufacturing practices. * **10A Current Rating:** Provides precise protection for applications requiring this specific current handling capability. Littelfuse is a globally recognized leader in circuit protection, and the H322010P fuse exemplifies their dedication to quality and innovation. When selecting fuses for critical power electronics, choosing a reputable manufacturer like Littelfuse ensures that you are investing in components that offer robust protection, extended equipment life, and operational continuity. This 10A fuse is an indispensable component for any application where the reliable safeguarding of SCRs and similar semiconductor devices is a top priority, preventing costly downtime and ensuring the efficient operation of complex electrical systems.
  • Very Fast-Acting 3AB Fuse for optimal SCR and solid-state device protection
  • 10A current rating for precise overcurrent interruption
  • Compliant with UL Standard 248-14 for guaranteed safety and reliability
  • Available in a convenient cartridge format for easy installation
  • RoHS compliant and Lead-free for environmentally responsible applications

Specifications

Amperage Rating
10 AMPS
Application
solid-state device
Brand Name
Littelfuse
Connection Type
Cartridge
Current Rating
10 A
Material
Lead-Free
Mounting Type
Cartridge
Series
3AB Very Fast-Acting
Series
3AB Series
Size
3AB
Size
Micro H-Pack
Special Features
RoHS compliant and
Standard
UL Standard 248-14
Sub Brand
322 Series
Type
Cartridge
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.