Littelfuse H3452HS1A - ACS INTL SHOCK-SAFE 2AG FUSEHLDR HS1A. International Shock-Safe Panel Mount Fuseholder for 2AG Fuses.
Littelfuse

H3452HS1A

UPC: 079458980875

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Specification Sheet

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Minimum Qty: 100

Multiplier: 100

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Overview

The **Littelfuse H3452HS1A** is a **Shock-Safe 2AG Panel Mount Fuseholder** engineered for **international industrial and commercial applications** where electrical safety and reliability are paramount. Designed to accommodate **2AG (5x20mm) fuses**, this high-performance fuseholder delivers robust protection for control panels, power distribution systems, and other critical electrical infrastructure. As part of Littelfuse’s trusted portfolio of protective components, the H3452HS1A combines **premium construction, secure fuse retention, and compliance with global safety standards** to ensure long-term dependability in demanding environments. **Key Features and Benefits** The **Shock-Safe design** of the H3452HS1A is a critical safety feature, significantly reducing the risk of accidental fuse removal—a common hazard in high-voltage or high-current systems. Unlike standard fuseholders, this model incorporates **protective shrouds and interlocking mechanisms** that prevent unintended access, thereby minimizing the potential for electrical shock or arc flash incidents. This makes it an ideal choice for **panel builders, system integrators, and maintenance engineers** who prioritize worker safety without compromising on performance. **Engineered for International Compliance and Durability** As an **international shock-safe fuseholder**, the H3452HS1A meets stringent regulatory requirements across multiple regions, including **UL, IEC, and other global standards**. Its **high-impact thermoplastic housing** resists corrosion, UV exposure, and mechanical stress, ensuring consistent operation even in harsh industrial conditions. The **panel-mount design** features a **secure locking mechanism** that holds the fuse firmly in place, preventing vibration-induced dislodgment—a common issue in mobile equipment, transportation systems, and outdoor installations. **Versatile Applications Across Industries** The H3452HS1A is widely used in **industrial automation, renewable energy systems, telecommunications, and commercial building management**, where reliable overcurrent protection is essential. Typical applications include: - **Control panels and switchgear** in manufacturing facilities - **Power distribution units** in data centers and server rooms - **Solar inverters and wind turbine controllers** in renewable energy installations - **HVAC systems and elevator controls** in commercial buildings - **Motor protection circuits** in industrial machinery Its **compact 2AG footprint** allows for easy integration into space-constrained designs, while the **universal mounting configuration** ensures compatibility with standard panel cutouts. Professionals in electrical design and maintenance rely on Littelfuse’s reputation for **engineering excellence and product reliability** when selecting components for mission-critical systems. **Why Choose Littelfuse for Fuseholder Solutions?** With over **100 years of innovation in circuit protection**, Littelfuse has established itself as a **global leader in fuseholders, fuses, and related components**. The H3452HS1A exemplifies the company’s commitment to **safety, durability, and performance**, backed by rigorous testing and compliance with international standards. Whether deployed in **automotive manufacturing, aerospace, or heavy industrial applications**, this fuseholder provides the **confidence of a trusted brand** that engineers and technicians worldwide depend on. For professionals seeking a **high-quality, shock-safe fuseholder** that enhances both **safety and system reliability**, the Littelfuse H3452HS1A is a proven solution. Its **robust construction, international compliance, and ease of installation** make it a preferred choice for panel builders and system designers who demand **superior protection and long-term performance** in their electrical designs.
  • Shock-safe design prevents accidental fuse removal and reduces electrical hazards
  • Panel-mount configuration with secure locking mechanism for vibration resistance
  • Compatible with 2AG (5x20mm) fuses for versatile overcurrent protection
  • Meets international safety standards (UL, IEC) for global compliance
  • High-impact thermoplastic housing resists corrosion and mechanical stress

Specifications

Brand Name
Littelfuse
Material
High-impact thermoplastic
Mounting Type
Panel Mount
Series
Shock-Safe 2AG Panel Mount Fuseholder
Size
2AG (5x20mm)
Special Features
See in the web sheet
Standard
UL Listed CSA
Sub Brand
Shock-Safe
Type
Panel Fuseholder
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 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.
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.
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.
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.
PANELMOUNT SHKSAFE FSEHLDR 2AG 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.

3452LF8A

PANELMOUNT SHKSAFE FSEHLDR 2AG 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.
PANLMOUNT SHKSAF FSEHLDR 3AG FSE RF8-010. 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.

3453RF8-010

PANLMOUNT SHKSAF FSEHLDR 3AG FSE RF8-010. 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 RF1A. 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.

3452RF1A

PANELMOUNT SHKSAFE FSEHLDR 2AG FUSE RF1A. 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 LS2A. 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.

3453LS2A

PANELMOUNT SHKSAFE FSEHLDR 3AG FUSE LS2A. 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 ALARM FUSE FUSEHOLDER. Ideal for telecommunications and control panel circuits, the 482 Series fuseholder series is designed for use with Littelfuse 481 Alarm Indicating Fuses. Each holder is designed to accept other manufacturer’s replacement fuses as well. The fuseholder is available in three versions: PCB Mount - 15A: Can be soldered directly to a printed circuit board. Rated up to 15 amperes. Available in single pole or gangable up to 20 poles. Fuseholder is keyed to prevent insertion of 20 ampere fuse. Can be soldered directly to a printed circuit board. Rated up to 15 amperes. Available in single pole or gangable up to 20 poles. Fuseholder is keyed to prevent insertion of 20 ampere fuse. Panel Mount - 20A: Available in a single pole version rated up to 20 amperes. Large leads for wire attachment. Available in a single pole version rated up to 20 amperes. Large leads for wire attachment. Panel Mount - 15A: 15 ampere gangable version of fuseholder is keyed to prevent insertion of 20 ampere fuse. 15 ampere gangable version of fuseholder is keyed to prevent insertion of 20 ampere fuse.

04820001ZXP

PANEL MOUNT ALARM FUSE FUSEHOLDER. Ideal for telecommunications and control panel circuits, the 482 Series fuseholder series is designed for use with Littelfuse 481 Alarm Indicating Fuses. Each holder is designed to accept other manufacturer’s replacement fuses as well. The fuseholder is available in three versions: PCB Mount - 15A: Can be soldered directly to a printed circuit board. Rated up to 15 amperes. Available in single pole or gangable up to 20 poles. Fuseholder is keyed to prevent insertion of 20 ampere fuse. Can be soldered directly to a printed circuit board. Rated up to 15 amperes. Available in single pole or gangable up to 20 poles. Fuseholder is keyed to prevent insertion of 20 ampere fuse. Panel Mount - 20A: Available in a single pole version rated up to 20 amperes. Large leads for wire attachment. Available in a single pole version rated up to 20 amperes. Large leads for wire attachment. Panel Mount - 15A: 15 ampere gangable version of fuseholder is keyed to prevent insertion of 20 ampere fuse. 15 ampere gangable version of fuseholder is keyed to prevent insertion of 20 ampere fuse.
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.