Littelfuse H3455QS1N - ACS INTL SHOCKSAFE 5X20MM FUSEHLDR QS1N. International Shock-Safe Panel Mount Fuseholder for 5x20mm Fuses.
Littelfuse

H3455QS1N

UPC: 079458091014

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Specification Sheet

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Minimum Qty: 100

Multiplier: 100

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Overview

The **Littelfuse H3455QS1N Shock-Safe Panel Mount Fuseholder** is a high-performance, international-standard solution designed for **5x20mm fuses**, delivering unmatched electrical protection in demanding industrial environments. Part of Littelfuse’s renowned **Shock-Safe series**, this fuseholder ensures operator safety and equipment reliability through its **panel-mount design**, making it an essential component in control panels, machinery, and power distribution systems where electrical integrity is critical. Engineered for **durability and precision**, the H3455QS1N features a **robust construction** that withstands harsh operating conditions, including vibration, temperature fluctuations, and electrical stress. Its **international compliance** ensures compatibility with global standards, making it a versatile choice for engineers and technicians working across diverse industries. Whether deployed in **automotive manufacturing, renewable energy systems, telecommunications, or heavy machinery**, this fuseholder provides **consistent fuse protection** while minimizing the risk of accidental contact or electrical hazards. **Key Features and Benefits:** - **Shock-Safe Design**: Engineered to prevent accidental contact with live components, enhancing operator safety in compliance with international electrical safety standards. - **Panel-Mount Compatibility**: Designed for seamless integration into control panels, distribution boards, and industrial enclosures, ensuring a secure and stable installation. - **5x20mm Fuse Support**: Accommodates standard **5x20mm fuses**, a widely used format in industrial applications for overcurrent and short-circuit protection. - **High-Durability Materials**: Constructed from **high-quality insulating materials** and corrosion-resistant metals to ensure long-term reliability in challenging environments. - **Easy Installation and Maintenance**: Features a **user-friendly design** with clear labeling and secure mounting options, reducing downtime during fuse replacement or system upgrades. **Industry Applications:** The **Littelfuse H3455QS1N** is ideal for a broad range of industrial applications, including: - **Industrial Machinery**: Provides critical overcurrent protection in CNC machines, robotics, and automated production lines. - **Power Distribution Systems**: Ensures safe and reliable fuse protection in switchgear, motor control centers, and distribution panels. - **Renewable Energy**: Used in solar inverters, wind turbine control systems, and battery management systems to safeguard sensitive electronics. - **Telecommunications**: Protects network infrastructure, including data centers and telecom cabinets, from electrical faults. - **Automotive and Transportation**: Applied in vehicle charging stations, rail systems, and industrial vehicles where electrical safety is paramount. **Why Choose Littelfuse?** Littelfuse is a **global leader in circuit protection**, with over a century of innovation in electrical safety solutions. The **Shock-Safe series**, to which the H3455QS1N belongs, is trusted by engineers worldwide for its **uncompromising quality, compliance with international standards (such as IEC, UL, and CE), and commitment to reducing electrical hazards**. By selecting the H3455QS1N, professionals gain not only a **high-performance fuseholder** but also the backing of a manufacturer renowned for **reliability, technical support, and industry expertise**. **Installation and Selection Considerations:** When integrating the **H3455QS1N** into a system, professionals should consider: - **Voltage and Current Ratings**: Ensure compatibility with the system’s electrical specifications to prevent overloading or underprotection. - **Environmental Conditions**: The fuseholder’s materials are designed for **industrial-grade durability**, but extreme temperatures or corrosive environments may require additional protective measures. - **Mounting Space**: Verify panel cutout dimensions to ensure a proper fit, as the H3455QS1N is optimized for standard **5x20mm fuseholder installations**. - **Compliance Requirements**: Confirm adherence to local electrical codes and industry standards to maintain safety and regulatory compliance. For engineers and technicians seeking a **trusted, high-quality fuseholder** that combines **safety, durability, and ease of use**, the **Littelfuse H3455QS1N Shock-Safe Panel Mount Fuseholder** is an outstanding choice. Its **proven performance in critical applications** and alignment with Littelfuse’s legacy of innovation make it a **go-to solution** for industrial electrical protection.
  • Shock-Safe design prevents accidental contact with live components
  • Panel-mount compatibility for seamless integration into control panels
  • Supports standard 5x20mm fuses for overcurrent and short-circuit protection
  • High-durability materials for long-term reliability in harsh environments
  • Easy installation and maintenance with user-friendly design

Specifications

Brand Name
Littelfuse
Material
High-quality insulating materials and corrosion-resistant metals
Mounting Type
Panel Mount
Series
QS1N
Size
5x20mm
Special Features
See in the web sheet
Standard
UL Listed CSA
Sub Brand
Shock-Safe
Type
Panel Fuseholder
PANELMOUNT SHKSAFE FSEHLDR 3AG FUSE RF4A. 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.

3453RF4A

PANELMOUNT SHKSAFE FSEHLDR 3AG FUSE RF4A. 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.
PANELMOUNT SHKSAFE FSEHLDR 2AG FUSE LS7A. 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.

3452LS7A

PANELMOUNT SHKSAFE FSEHLDR 2AG FUSE LS7A. 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.
PANELMOUNT SHKSAFE FSEHLDR 3AG FUSE LF8A. 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.

3453LF8A

PANELMOUNT SHKSAFE FSEHLDR 3AG FUSE LF8A. 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.
PANELMOUNT SHKSAFE FSEHLDR 2AG FUSE LS3A. 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.

3452LS3A

PANELMOUNT SHKSAFE FSEHLDR 2AG FUSE LS3A. 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.
PANELMOUNT SHKSAFE FSEHLDR 2AG FUSE LS8A. 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.

3452LS8A

PANELMOUNT SHKSAFE FSEHLDR 2AG FUSE LS8A. 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.
PANELMOUNT SHKSAFE FSEHLDR 3AG FUSE RF2A. 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.

3453RF2A

PANELMOUNT SHKSAFE FSEHLDR 3AG FUSE RF2A. 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.
PANELMOUNT SHKSAFE FSEHLDR 3AG FUSE LS7A. 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.

3453LS7A

PANELMOUNT SHKSAFE FSEHLDR 3AG FUSE LS7A. 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.
PANELMNT SHKSAFE FUSHLDR 5X20MM FUS RF2. 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.

3455RF2

PANELMNT SHKSAFE FUSHLDR 5X20MM FUS RF2. 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.
ACS INTL SHOCK-SAFE 3AG FUSEHLDR LF3A. International Shock-Safe Panel Mount Fuseholder for 3AG/3AB Fuses.

H3453LF3A

ACS INTL SHOCK-SAFE 3AG FUSEHLDR LF3A. International Shock-Safe Panel Mount Fuseholder for 3AG/3AB Fuses.
ACS INTL SHOCK-SAFE 3AG FUSEHLDR HS3N. International Shock-Safe Panel Mount Fuseholder for 3AG/3AB Fuses.

H3453HS3N

ACS INTL SHOCK-SAFE 3AG FUSEHLDR HS3N. International Shock-Safe Panel Mount Fuseholder for 3AG/3AB Fuses.
PANELMOUNT SHKSAFE FSEHLDR 3AG FUSE RF3A. 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.

3453RF3A

PANELMOUNT SHKSAFE FSEHLDR 3AG FUSE RF3A. 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.
ACS INTL SHOCK-SAFE 3AG FUSEHLDR LS2NP. International Shock-Safe Panel Mount Fuseholder for 3AG/3AB Fuses.

H3453LS2NP

ACS INTL SHOCK-SAFE 3AG FUSEHLDR LS2NP. International Shock-Safe Panel Mount Fuseholder for 3AG/3AB Fuses.

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.