Littelfuse H3455QS4A - ACS INTL SHOCKSAFE 5X20MM FUSEHLDR QS4A. International Shock-Safe Panel Mount Fuseholder for 5x20mm Fuses.
Littelfuse

H3455QS4A

UPC: 079458982060

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Specification Sheet

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Overview

The Littelfuse H3455QS4A International Shock-Safe Panel Mount Fuseholder is a critical component for ensuring electrical safety and reliability in demanding industrial environments. Designed specifically to accommodate 5x20mm fuses, this fuseholder provides a secure and robust solution for protecting sensitive electronic and electrical equipment from overcurrent conditions. Its 'Shock-Safe' designation signifies a key design feature, offering enhanced user protection by preventing accidental contact with live fuse terminals during installation or replacement, a crucial consideration in industrial settings where safety protocols are paramount. Engineered by Littelfuse, a globally recognized leader in circuit protection, the H3455QS4A fuseholder is built to withstand the rigors of industrial applications. Its panel mount design allows for straightforward integration into control panels, machinery enclosures, and power distribution units, offering a clean and professional installation. The QS4A series designation indicates a specific product line known for its quality and performance characteristics within the Littelfuse catalog. Key benefits of the Littelfuse H3455QS4A include: * **Enhanced Safety:** The shock-safe design significantly reduces the risk of electrical shock, protecting personnel and adhering to international safety standards. * **Secure Fuse Retention:** Ensures that the 5x20mm fuse remains firmly in place, preventing vibration-induced dislodging and maintaining circuit integrity. * **Durable Construction:** Built with high-quality materials to resist environmental factors common in industrial settings, such as dust, moisture, and temperature fluctuations. * **Reliable Performance:** Provides consistent and dependable fuse protection, minimizing downtime and costly repairs associated with electrical faults. * **Easy Installation:** The panel mount configuration simplifies integration into existing or new electrical systems. This fuseholder is an indispensable component for a wide array of industrial applications, including but not limited to, power supplies, industrial automation equipment, control systems, medical devices, and test and measurement instruments. Its ability to securely house and protect 5x20mm fuses makes it a versatile choice for engineers and technicians seeking dependable circuit protection solutions. By choosing the Littelfuse H3455QS4A, you are investing in a product that upholds the highest standards of safety, durability, and performance, backed by the trusted expertise of Littelfuse in electrical safety components. Ensure the longevity and safety of your critical systems with this premium fuseholder.
  • International Shock-Safe design for enhanced personnel protection
  • Accommodates standard 5x20mm fuses
  • Secure panel mount installation for industrial applications
  • QS4A Series for reliable performance and durability
  • Manufactured by Littelfuse, a leader in circuit protection

Specifications

Brand Name
Littelfuse
Material
High-quality industrial materials
Mounting Type
Panel Mount
Series
QS4A
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.
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 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 QS7A. 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.

3453QS7A

PANELMOUNT SHKSAFE FSEHLDR 3AG FUSE QS7A. 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.

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.