Littelfuse H342004P - P MOUNT HOLDER H-PACK 4A NEO WASH. Panel Mount Enclosed Fuse Holders for 3AG/AB Fuses.
Littelfuse

H342004P

UPC: 079458980646

Documents & Media
Specification Sheet

Contact for Pricing

Minimum Qty: 100

Multiplier: 100

*Contact for lower quantities*

Overview

The **Littelfuse H342004P** is a premium **panel mount enclosed fuse holder** engineered for **3AG/AB fuses** with a **4A current rating**, part of the trusted **H-PACK series**. Designed for industrial-grade reliability, this fuse holder delivers robust protection in high-demand environments where electrical safety and system integrity are critical. With its **enclosed construction**, the H342004P shields fuses from dust, moisture, and mechanical damage, ensuring consistent performance even in harsh operating conditions. Its **panel mount design** allows for secure installation in control panels, power distribution units, and machinery, providing easy access for maintenance while maintaining a clean, professional appearance. This fuse holder is specifically optimized for **3AG/AB fuses**, which are widely used in industrial, commercial, and residential applications due to their compact size and precise fault protection capabilities. The **4A rating** makes it ideal for low-to-medium current circuits, including lighting systems, motor controls, transformers, and instrumentation panels. Professionals in industries such as **manufacturing, automation, telecommunications, and renewable energy** rely on Littelfuse’s H-PACK series for its **durability, ease of installation, and compliance with international safety standards**. Key features of the **Littelfuse H342004P** include: - **Enclosed design** for enhanced protection against environmental contaminants and accidental contact. - **Panel mount compatibility** with standard cutouts, ensuring seamless integration into existing systems. - **High-quality construction** using durable materials to withstand vibration, temperature fluctuations, and electrical stress. - **Easy fuse replacement** with tool-free access, reducing downtime during maintenance. - **Compliance with industry standards**, including UL and IEC certifications, for global applicability. Selecting the right fuse holder is a critical decision for electrical engineers and system designers. The **H342004P** stands out for its **reliability, compact footprint, and compatibility** with widely available 3AG/AB fuses. Its **H-PACK series** is part of Littelfuse’s extensive portfolio of protective components, trusted by professionals worldwide for over a century. Whether you’re designing a new control panel, upgrading an existing system, or ensuring compliance with safety regulations, the **Littelfuse H342004P** provides a cost-effective solution without compromising on performance. Installation is straightforward, requiring only basic tools and adherence to wiring best practices. The **panel mount design** allows for secure attachment to enclosures, while the **enclosed fuse compartment** minimizes the risk of short circuits or arcing. For optimal performance, ensure proper torque settings during installation and select fuses with the correct ampere rating for your application. Littelfuse provides comprehensive documentation and support to assist with selection, installation, and troubleshooting, reinforcing its reputation as a leader in electrical protection. In summary, the **Littelfuse H342004P** is more than just a fuse holder—it’s a **critical component for system reliability and safety**. By choosing this product, you’re investing in a solution that meets the demands of modern industrial applications while benefiting from Littelfuse’s legacy of innovation and quality. For engineers, technicians, and procurement specialists seeking a **dependable, high-performance fuse holder**, the H342004P delivers unmatched value and peace of mind.
  • Enclosed design for superior protection against dust, moisture, and mechanical damage
  • Panel mount compatibility with standard cutouts for seamless integration
  • 4A current rating optimized for low-to-medium current circuits
  • Tool-free fuse replacement for reduced maintenance downtime
  • UL and IEC certified for global industrial and commercial applications

Specifications

Application
NA
Brand Name
Littelfuse
Current Rating
4 A
Mounting Type
Panel Mount
Series
H-PACK
Special Features
Withstands 15 lb in mounting torque
Standard
RoHS
Sub Brand
342 Series
Type
Fuseholder
PANELMNT SHKSAFE FUSHLDR 5X20MM FUS LF4A. Designed to eliminate the possibility of electrical shock, as defined in IEC standards 65 and 257. Shock-Safe fuseholders feature a low profile body, fingergrip knob and anti-tease feature that eliminates circuit interruptionwhen knob is accidentally depressed.

3455LF4A

PANELMNT SHKSAFE FUSHLDR 5X20MM FUS LF4A. Designed to eliminate the possibility of electrical shock, as defined in IEC standards 65 and 257. Shock-Safe fuseholders feature a low profile body, fingergrip knob and anti-tease feature that eliminates circuit interruptionwhen knob is accidentally depressed.
Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

E1062696

Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20
PRIMARY FUSE KIT, CLASS CC, 2POLE

FKTP-1001

PRIMARY FUSE KIT, CLASS CC, 2POLE
Dead front fuse holder front operated 22x58 4P 125A for RMS100

57035016

Dead front fuse holder front operated 22x58 4P 125A for RMS100
Fuse Holder GPM-B 600V CC

18813000026

Fuse Holder GPM-B 600V CC
Control Transformer Accessories - Fuse Kit, 250 V, 5.0A

EC5

Control Transformer Accessories - Fuse Kit, 250 V, 5.0A
FUSE HOLDER KIT, 1 PER, 153D SERIES

FH_KIT1

FUSE HOLDER KIT, 1 PER, 153D SERIES

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.