Littelfuse H332004P - FUSE 250V FA 3AB PB-FREE H-PACK 4A. The 3AB Very Fast-Acting Fuse for protection of Silicon Controlled Rectifiers and similar solid-state devices. Features: Designed to meet UL248-14. RoHS Compliant and Lead-Free. Available in cartridge type only.
Littelfuse

H332004P

Alternate Item Number: 0332004.HXP

UPC: 079458145618

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Overview

The Littelfuse H332004P is a high-performance 3AB Very Fast-Acting Fuse, meticulously engineered to provide superior overcurrent protection for sensitive electronic components. Specifically designed for the demanding requirements of protecting Silicon Controlled Rectifiers (SCRs), TRIACs, and other solid-state power devices, this fuse offers rapid response times crucial for preventing catastrophic damage in industrial and electronic systems. Its 4A rating and 250V operating voltage make it suitable for a wide array of applications where precise and reliable circuit interruption is paramount. Engineered to meet stringent industry standards, the H332004P adheres to UL248-14 specifications, assuring users of its quality and performance. This compliance is a testament to Littelfuse's commitment to safety and reliability in electrical protection. Furthermore, this fuse is RoHS Compliant and Lead-Free, aligning with global environmental regulations and the growing demand for sustainable manufacturing practices. This makes it an ideal choice for manufacturers and integrators focused on producing environmentally responsible products. The cartridge-type form factor of the H332004P ensures ease of installation and replacement in standard fuse holders, simplifying maintenance and reducing downtime. Its compact design does not compromise its protective capabilities, offering robust performance even in space-constrained environments. The very fast-acting nature of this fuse is critical for safeguarding delicate semiconductor devices that are susceptible to transient overcurrents and surges. By interrupting the circuit almost instantaneously upon detecting an overcurrent condition, it effectively shields these components from damage, extending the operational life of the equipment and preventing costly repairs. Key features and benefits of the Littelfuse H332004P include: * **Superior Protection for Solid-State Devices:** Optimized for SCRs, TRIACs, and similar components, offering rapid fault interruption. * **UL248-14 Compliance:** Meets rigorous safety and performance standards for fuse applications. * **RoHS Compliant & Lead-Free:** Adheres to environmental regulations for sustainable product design. * **250V AC/DC Voltage Rating:** Versatile for use in a broad range of power supply and control circuits. * **4A Current Rating:** Suitable for moderate current applications requiring fast-acting protection. * **Cartridge Form Factor:** Facilitates straightforward installation and replacement in standard fuse holders. Industries that commonly benefit from the reliable protection offered by fuses like the H332004P include power supplies, industrial automation, telecommunications equipment, motor control systems, and renewable energy inverters. In these sectors, the integrity of solid-state components is vital for system functionality and safety. Littelfuse, a globally recognized leader in circuit protection, brings decades of expertise to the design and manufacturing of fuses, ensuring that each product, including the H332004P, delivers consistent and dependable performance. Choosing Littelfuse means investing in peace of mind and the longevity of your critical electrical systems. The H332004P is an essential component for any application where the protection of sensitive solid-state electronics is a top priority.
  • Littelfuse 3AB Very Fast-Acting Fuse for SCR and solid-state device protection
  • 4A current rating with a 250V AC/DC voltage rating
  • Designed to meet UL248-14 standards for reliable performance
  • RoHS Compliant and Lead-Free construction for environmental responsibility
  • Cartridge type for easy installation and replacement

Specifications

Amperage Rating
4 Amps
Application
electronic equipment & appliances
Brand Name
Littelfuse
Special Features
RoHS compliant and
Sub Brand
332 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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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.