Littelfuse H3453HS7LN - ACS INTL SHOCK-SAFE 3AG FHLDR W/2 WASHRS. International Shock-Safe Panel Mount Fuseholder for 3AG/3AB Fuses.
Littelfuse

H3453HS7LN

Alternate Item Number: 03453HS7HXLN

UPC: 079458022728


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Minimum Qty: 100

Multiplier: 100

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Overview

The **Littelfuse H3453HS7LN** is a **Shock-Safe Panel Mount Fuseholder** engineered for **3AG/3AB fuses**, delivering unmatched reliability and safety in industrial electrical systems. Designed to meet the stringent demands of panel-mounted applications, this fuseholder ensures robust circuit protection while mitigating the risk of accidental contact with live components—a critical feature in high-voltage and high-current environments. As part of Littelfuse’s globally trusted portfolio of protective components, the H3453HS7LN combines **durability, precision engineering, and compliance with international safety standards** to provide a dependable solution for professionals who prioritize both performance and personnel safety. **Key Features and Benefits:** - **Shock-Safe Design:** The H3453HS7LN incorporates a **fully insulated construction** with protective barriers, significantly reducing the risk of electrical shock during fuse replacement or maintenance. This feature is particularly vital in **industrial control panels, switchgear, and machinery enclosures**, where exposed live parts pose a persistent hazard. - **Panel Mount Compatibility:** Engineered for **flush or surface mounting**, this fuseholder integrates seamlessly into control panels, distribution boards, and industrial equipment. Its **robust metal or high-impact thermoplastic housing** resists vibration, corrosion, and mechanical stress, ensuring long-term stability in demanding environments such as **manufacturing plants, power generation facilities, and renewable energy systems**. - **3AG/3AB Fuse Compatibility:** Designed to accommodate **standard 3AG (1.25" x 0.25") and 3AB (1.25" x 0.4") fuses**, the H3453HS7LN supports a wide range of current ratings, making it a versatile choice for protecting sensitive electronics, motors, transformers, and other critical loads. The fuseholder’s **low-resistance contacts** minimize voltage drop and heat generation, enhancing system efficiency. - **Enhanced Safety and Compliance:** The H3453HS7LN meets **international safety certifications**, including UL, IEC, and other regional standards, ensuring it is suitable for use in **commercial, industrial, and hazardous location applications**. Its **IP-rated construction** (where applicable) provides additional protection against dust and moisture ingress, further extending its operational lifespan. - **Easy Installation and Maintenance:** Featuring **two integrated washers** for secure panel mounting and a **tool-free fuse access design**, this fuseholder simplifies installation and reduces downtime during fuse replacement. The **color-coded or labeled terminals** (where available) streamline wiring and troubleshooting, while the **screw-type or bayonet-style fuse retention** ensures a snug fit, preventing accidental dislodging. **Typical Applications:** The H3453HS7LN is a go-to solution for professionals in industries where **electrical safety, reliability, and compliance** are non-negotiable. Common applications include: - **Industrial Control Panels:** Protecting PLCs, relays, and motor starters from overcurrent conditions. - **Power Distribution Systems:** Safeguarding transformers, power supplies, and distribution boards in commercial and industrial facilities. - **Machinery and Equipment:** Used in CNC machines, robotics, and automation systems to prevent damage from short circuits or overloads. - **Renewable Energy Systems:** Deployed in solar inverters, wind turbine controllers, and battery management systems to ensure safe operation. - **HVAC and Building Automation:** Providing circuit protection in heating, ventilation, and air conditioning systems, as well as smart building controls. **Why Choose Littelfuse?** Littelfuse is a **world leader in circuit protection**, with over a century of innovation and expertise in designing solutions that safeguard electrical systems across industries. The company’s **rigorous testing protocols, global compliance certifications, and commitment to quality** make its products a trusted choice for engineers, electricians, and maintenance professionals. The H3453HS7LN exemplifies Littelfuse’s dedication to **safety, performance, and durability**, offering a cost-effective yet high-reliability solution for panel-mounted fuse protection. Whether you’re designing a new system or upgrading existing infrastructure, the H3453HS7LN delivers the peace of mind that comes with **Littelfuse’s industry-leading reputation**. **Installation and Selection Tips:** When specifying or installing the H3453HS7LN, consider the following best practices: - **Verify Compatibility:** Ensure the fuseholder’s **current and voltage ratings** match your system’s requirements. Littelfuse’s datasheet provides detailed specifications for safe operation. - **Panel Preparation:** Use the provided **mounting hardware** and ensure the panel cutout dimensions align with the fuseholder’s specifications to prevent misalignment or stress on the housing. - **Wiring Practices:** Follow **industry standards (e.g., NEC, IEC)** for wire sizing, torque specifications, and insulation clearance to maintain safety and performance. - **Maintenance Schedule:** Regularly inspect the fuseholder for **signs of wear, corrosion, or loose connections**, and replace it if damage is detected to prevent potential hazards. For professionals seeking a **high-quality, shock-safe fuseholder** that combines **Littelfuse’s engineering excellence with uncompromising safety**, the H3453HS7LN is an ideal choice. Its **proven track record, broad compatibility, and adherence to global standards** make it a cornerstone component in modern electrical protection strategies.
  • Shock-safe design prevents accidental contact with live components
  • Panel mount compatibility for industrial control panels and switchgear
  • Compatible with 3AG/3AB fuses for versatile circuit protection
  • Meets international safety certifications (UL, IEC, etc.)
  • Durable construction resists vibration, corrosion, and mechanical stress

Specifications

Brand Name
Littelfuse
Connection Type
Screw-type or bayonet-style
Material
High-impact thermoplastic or metal
Mounting Type
Panel mount (flush or surface)
Series
Shock-Safe Panel Mount Fuseholder
Size
3AG/3AB (1.25" x 0.25" or 1.25" x 0.4")
Special Features
See in the web sheet
Standard
UL Listed CSA
Sub Brand
Shock-Safe
Type
Panel Fuseholder
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.