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Littelfuse H3452LS3A - ACS INTL SHOCK-SAFE 2AG FUSEHLDR LS3A. International Shock-Safe Panel Mount Fuseholder for 2AG Fuses.

Littelfuse H3452LS3A ACS INTL SHOCK-SAFE 2AG FUSEHLDR LS3A. International Shock-Safe Panel Mount Fuseholder…

UPC: 079458981025


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Specification Sheet

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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 H3452LS3A is an international shock-safe panel mount fuseholder specifically designed for 2AG (5x20mm) fuses, meeting stringent shock-safe requirements for international safety standards. This fuseholder is engineered for industrial environments where frequent equipment access or maintenance is necessary, ensuring user safety without compromising protection. Its durable construction features a robust housing and secure mounting mechanism, providing long-term reliability in demanding applications such as industrial machinery, power distribution units, control panels, and test equipment. The shock-safe design minimizes the risk of electrical shock during fuse replacement or inspection, making it ideal for high-voltage or high-current systems where safety is critical. Compatible with Littelfuse 2AG fuses, it delivers reliable overcurrent and short-circuit protection to safeguard sensitive electronic components. The fuseholder is rated for operation up to 250V AC/DC and supports fuse currents from 0.1A to 10A, depending on the fuse type used. The UNSPSC code for this product is 39121624, and it is manufactured in the United States, ensuring consistent quality and compliance with industry standards.
  • Shock-safe design for enhanced user safety in industrial environments
  • Panel mount installation for secure circuit protection
  • Compatible with Littelfuse 2AG fuses
  • Robust construction for durability in demanding applications
  • Manufactured in the US with UNSPSC code 39121624

Specifications

Brand Name
Littelfuse
Mounting Type
Panel Mount
Series
Shock-Safe
Series
LS3A
Series
H3452LS
Size
2AG
Special Features
See in the web sheet
Standard
UL Listed CSA
Sub Brand
Shock-Safe
Type
Panel Fuseholder
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Frequently Asked Questions

What fuse sizes are compatible with this fuseholder?

This fuseholder is compatible with 3AB, 3AG, 5x20mm, or 2AG fuses, depending on the knob selected.

What is the operating temperature range for this fuseholder?

The operating ambient temperature range for this fuseholder is from -40ºC to +85ºC.

What are the available terminal styles for this fuseholder?

Available terminal styles include dual-purpose for soldering or 3/16” NEMA quick connect, and ¼” NEMA/DIN quick connect.

What is the insulation resistance of the fuseholder?

The insulation resistance is a minimum of 10,000 megohm at 500 VDC.

What is the contact resistance of the fuseholder?

The contact resistance is less than .005 ohm average at currents up to 1 ampere.

What are the panel thickness limits for different mounting styles?

Low/High profile accepts .032” to .310” panel thickness. Quick mount accepts .012” to .360”. Rear mount accepts .012” to .260”.

What materials are the body and knob made from?

The body is made of black glass-filled thermoplastic (UL 94V0). The knob is made of grey, blue, or black glass-filled thermoplastic (UL94 V-0).

What knob styles are available for this fuseholder?

Knob styles include Finger-Grip, Fuse Extractor type or Screwdriver Slot, Fuse Extractor type with plated copper alloy insert.

What is the mounting torque specification for threaded styles?

Threaded style fuseholders can withstand 15 in.-lb. of mounting torque.

How can fuse size be quickly identified?

Quick fuse size identification is provided with letters on the fingergrip knob and color-coded screwdriver slot knobs.

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.