Littelfuse H3455RF8 - ACS INTL SHOCK-SAFE 5X20MM FUSEHLDR. International Shock-Safe Panel Mount Fuseholder for 5x20mm Fuses.
Littelfuse

H3455RF8

UPC: 079458982169

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Specification Sheet

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Minimum Qty: 100

Multiplier: 100

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Overview

The **Littelfuse H3455RF8** is a **shock-safe panel mount fuseholder** engineered for **5x20mm fuses**, delivering unmatched reliability in industrial and commercial electrical systems. Designed to meet stringent safety standards, this fuseholder provides a secure and tamper-resistant solution for critical applications where electrical fault protection is non-negotiable. Built by **Littelfuse**, a global leader in circuit protection with over a century of innovation, the H3455RF8 combines robust construction with precision engineering to ensure long-term performance in harsh environments. **Key Features & Benefits:** - **Shock-Safe Design:** Engineered to prevent accidental contact with live components, the H3455RF8 meets international safety certifications, reducing the risk of electrical shock during installation, maintenance, or fuse replacement. This is particularly critical in high-voltage panels, control cabinets, and power distribution units where operator safety is paramount. - **Panel Mount Compatibility:** The **5x20mm fuseholder** is designed for **flush or surface panel mounting**, offering flexibility in installation. Its **compact footprint** ensures seamless integration into tight spaces, making it ideal for industrial control panels, machinery enclosures, and renewable energy systems. - **High-Quality Construction:** Manufactured from **durable, flame-retardant materials**, the H3455RF8 resists corrosion, vibration, and mechanical stress. The **metal or reinforced plastic housing** (depending on variant) ensures structural integrity, even in high-temperature or high-humidity conditions common in manufacturing, oil & gas, and data center environments. - **Universal Fuse Compatibility:** Compatible with **5x20mm fuses** from Littelfuse and other leading brands, this fuseholder supports a wide range of current ratings (e.g., 0.1A–20A), allowing engineers to tailor protection levels to specific applications. Whether safeguarding sensitive electronics or high-power industrial equipment, the H3455RF8 provides consistent, predictable performance. - **Easy Installation & Maintenance:** The **tool-less or low-tool installation** process simplifies panel mounting, while the **screw-type or snap-in design** (varies by model) ensures a secure fit. Replaceable fuse modules minimize downtime, and the **color-coded or labeled terminals** (where applicable) streamline identification in complex wiring schemes. **Industry Applications:** The **Littelfuse H3455RF8** is a versatile solution for a broad spectrum of industrial and commercial applications, including: - **Industrial Control Panels:** Protecting PLCs, motor drives, and variable frequency drives (VFDs) from overcurrent conditions. - **Power Distribution Systems:** Safeguarding transformers, power supplies, and distribution boards in commercial buildings and utilities. - **Renewable Energy:** Ensuring fault protection in solar inverters, wind turbine controllers, and battery management systems. - **Telecommunications:** Shielding sensitive networking equipment, routers, and data center power supplies from transient surges. - **Automotive & Transportation:** Providing reliable fuse protection in electric vehicle (EV) charging stations, railway signaling systems, and heavy machinery. **Why Choose Littelfuse?** With a legacy dating back to 1927, **Littelfuse** is synonymous with **circuit protection excellence**, offering products that meet or exceed **UL, IEC, and CE standards**. The H3455RF8 exemplifies the company’s commitment to **safety, innovation, and durability**, making it a trusted choice for engineers and technicians worldwide. Whether you’re designing a new system or retrofitting an existing one, this fuseholder delivers **peace of mind** with every installation. **Installation Considerations:** - **Panel Cutout Dimensions:** Verify compatibility with your panel’s thickness (typically 1.5mm–3.2mm) and mounting hole size (check Littelfuse’s datasheet for exact specifications). - **Environmental Ratings:** Ensure the fuseholder’s **IP rating** (if applicable) matches your application’s exposure to dust, moisture, or chemicals. - **Thermal Management:** While the H3455RF8 is designed for continuous operation, ensure adequate ventilation in enclosed panels to prevent heat buildup. - **Compliance:** Always confirm the fuseholder meets local electrical codes (e.g., **NEC, IEC 60269**) and industry-specific regulations (e.g., **ATEX for hazardous locations**). For **dependable fuse protection** in mission-critical systems, the **Littelfuse H3455RF8** is the **industry-standard choice**. Its **shock-safe design, universal compatibility, and rugged construction** make it an indispensable component in modern electrical infrastructure. Trust Littelfuse to deliver **precision-engineered protection**—where safety and performance cannot be compromised.
  • Shock-safe design meets international safety standards for operator protection
  • Panel mount compatibility for 5x20mm fuses in industrial control panels
  • Universal fuse compatibility with Littelfuse and major brand 5x20mm fuses
  • Durable, flame-retardant construction for harsh industrial environments
  • Tool-less or low-tool installation for quick and secure mounting

Specifications

Brand Name
Littelfuse
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.