Littelfuse H3455RF3 - ACS INTL SHOCKSAFE 5X20MM FUSEHLDR RF3. International Shock-Safe Panel Mount Fuseholder for 5x20mm Fuses.
Littelfuse

H3455RF3

UPC: 079458982138

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Specification Sheet

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Minimum Qty: 100

Multiplier: 100

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Overview

The **Littelfuse H3455RF3 Shock-Safe 5x20mm Panel Mount Fuseholder** is a high-reliability fuseholder engineered for industrial environments where electrical safety and equipment protection are critical. Designed to securely hold **5x20mm fuses**, this **Shock-Safe Series** fuseholder provides robust protection against electrical faults, ensuring long-term durability and compliance with stringent safety standards. Its **panel mount design** allows for seamless integration into control panels, machinery, and industrial equipment, making it an essential component for applications requiring dependable fuse protection. This fuseholder is part of Littelfuse’s **Shock-Safe Series**, a trusted line of products known for their **shock-resistant performance** and **enhanced safety features**. The **5x20mm fuseholder** is widely used in industries such as **manufacturing, automation, power distribution, and telecommunications**, where reliable circuit protection is non-negotiable. Its **durable construction** ensures resistance to mechanical stress, vibration, and environmental factors, making it ideal for harsh industrial settings. **Key Features & Benefits:** - **Shock-Safe Design:** Engineered to prevent accidental contact with live components, reducing the risk of electrical shock and ensuring operator safety. - **Panel Mount Compatibility:** Designed for easy installation in control panels, machinery, and electrical enclosures, with secure mounting for long-term stability. - **5x20mm Fuse Support:** Accommodates standard **5x20mm fuses**, providing consistent and reliable circuit protection across a wide range of applications. - **Industrial-Grade Durability:** Built to withstand demanding conditions, including temperature fluctuations, humidity, and mechanical stress, ensuring extended service life. - **Compliance & Safety:** Meets **international safety standards**, making it suitable for use in regulated industries and applications where compliance is mandatory. **Typical Applications:** - **Control Panels & Switchgear:** Used in industrial control panels to protect sensitive equipment from overcurrent and short circuits. - **Machinery & Automation:** Installed in CNC machines, robotics, and automated production lines to safeguard critical components. - **Power Distribution Systems:** Deployed in power distribution units to ensure safe and reliable operation of electrical circuits. - **Telecommunications & Data Centers:** Provides essential protection for sensitive electronic equipment in high-reliability environments. - **Renewable Energy Systems:** Used in solar inverters, wind turbines, and battery management systems to prevent damage from electrical faults. **Why Choose Littelfuse?** Littelfuse is a **global leader in circuit protection**, with decades of experience in designing and manufacturing high-quality fuseholders, fuses, and related components. The **H3455RF3** exemplifies the company’s commitment to **safety, reliability, and innovation**, making it a preferred choice for engineers and technicians in industrial applications. With a reputation for **durability, precision, and compliance**, Littelfuse products are trusted in some of the most demanding industries worldwide. **Installation & Integration:** The **panel mount design** of the H3455RF3 ensures straightforward installation, with standard mounting options for compatibility with most industrial enclosures. Its **compact 5x20mm footprint** allows for efficient use of panel space, while the **shock-safe construction** minimizes the risk of accidental contact with live parts. Professionals in electrical engineering, maintenance, and system design rely on Littelfuse fuseholders for **plug-and-play reliability**, reducing downtime and enhancing operational safety. For **industrial-grade circuit protection** that meets the highest standards of safety and performance, the **Littelfuse H3455RF3 Shock-Safe 5x20mm Panel Mount Fuseholder** is the ideal solution. Whether for new installations or retrofitting existing systems, this fuseholder delivers **unmatched durability, compliance, and peace of mind** in critical applications.
  • Shock-Safe design prevents accidental electrical contact
  • Panel mount installation for secure integration into control panels
  • Supports standard 5x20mm fuses for versatile circuit protection
  • Industrial-grade durability for harsh operating environments
  • Compliant with international safety standards for reliable operation

Specifications

Brand Name
Littelfuse
Material
Industrial-grade (durable, temperature/humidity/stress resistant)
Mounting Type
Panel Mount
Series
ShockSafe
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.
PANEL MOUNT SHOCK-SAFE FUSEHOLDER 601 A. Designed to eliminate electrical shock as defined by IEC standards 60065 and 60127, these panel-mount fuses holders offer a wide variety of options. This allows for inventory reduction and versatility. Anti-tease feature eliminates circuit interruption when knob is accidentally depressed Five fuse holder types for maximum flexibility. Two knob styles— screwdriver slot and fingergrip. Drip proof option available on screwdriver slot knob style. Two terminal choices depending on application.

345601A

PANEL MOUNT SHOCK-SAFE FUSEHOLDER 601 A. Designed to eliminate electrical shock as defined by IEC standards 60065 and 60127, these panel-mount fuses holders offer a wide variety of options. This allows for inventory reduction and versatility. Anti-tease feature eliminates circuit interruption when knob is accidentally depressed Five fuse holder types for maximum flexibility. Two knob styles— screwdriver slot and fingergrip. Drip proof option available on screwdriver slot knob style. Two terminal choices depending on application.

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.