Littelfuse H3452LS1A - ACS INTL SHOCK-SAFE 2AG FUSEHLDR LS1A. International Shock-Safe Panel Mount Fuseholder for 2AG Fuses.
Littelfuse

H3452LS1A

UPC: 079458980998

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Specification Sheet

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Overview

The **Littelfuse H3452LS1A** is a **Shock-Safe Panel Mount Fuseholder** engineered for **2AG fuses**, delivering unmatched reliability in industrial electrical systems. Designed to meet the demands of harsh environments, this fuseholder ensures **secure, shock-resistant connections** while maintaining operational efficiency in critical applications. As part of Littelfuse’s **LS1A series**, it combines **durability, safety, and ease of installation**—making it an essential component for power distribution, control panels, and other high-stakes electrical installations. **Key Features and Benefits:** - **Shock-Safe Construction:** Engineered to prevent accidental contact with live components, the H3452LS1A reduces the risk of electrical shock, enhancing workplace safety in compliance with industry standards. This feature is particularly critical in **panel-mounted applications** where operator interaction is frequent. - **Panel-Mount Design:** The **flush-mount configuration** allows for seamless integration into control panels, switchgear, and distribution boards. Its **compact 2AG fuse compatibility** ensures compatibility with a wide range of fuse ratings, providing flexibility for diverse electrical protection needs. - **Industrial-Grade Durability:** Built to withstand **vibrations, temperature fluctuations, and mechanical stress**, the H3452LS1A is ideal for **heavy-duty environments** such as manufacturing plants, data centers, and renewable energy systems. The robust construction minimizes maintenance requirements and extends service life. - **Easy Installation and Maintenance:** The **tool-less mounting system** simplifies installation, while the **screw-type fuse retention** ensures a secure fit. This design reduces downtime during fuse replacement or system upgrades, a critical consideration for **high-availability industrial applications**. - **Compliance and Trust:** Littelfuse, a global leader in **electrical protection solutions**, designs the H3452LS1A to meet **UL, IEC, and other international safety standards**. Professionals across industries—from **automotive and aerospace to telecommunications and utilities**—trust Littelfuse for **dependable, high-performance fuseholders** that safeguard sensitive equipment. **Typical Applications:** The H3452LS1A is widely used in **industrial control panels, motor drives, power supplies, and instrumentation systems** where **reliable overcurrent protection** is non-negotiable. Its **shock-safe design** makes it particularly suitable for **operator-accessible panels** in factories, laboratories, and commercial buildings. Additionally, it is a preferred choice for **retrofitting older systems** where safety upgrades are required to meet modern electrical codes. **Why Choose Littelfuse?** With over **100 years of innovation**, Littelfuse has established itself as the **gold standard in electrical protection**. The H3452LS1A reflects the company’s commitment to **quality, safety, and performance**, ensuring that engineers and technicians can deploy it with confidence in mission-critical applications. Whether you’re designing a new system or upgrading an existing one, the **Littelfuse H3452LS1A** provides the **protection, durability, and peace of mind** required for today’s demanding industrial environments. **Installation Considerations:** - **Panel Compatibility:** Ensure the mounting hole dimensions match the H3452LS1A’s specifications (typically **1/4" diameter** for 2AG fuseholders). - **Fuse Selection:** Pair with **Littelfuse 2AG fuses** (or equivalents) rated for your system’s voltage and current requirements. - **Environmental Conditions:** Verify the fuseholder’s **operating temperature range** (typically **-40°C to +85°C**) aligns with your application’s demands. - **Safety Compliance:** Always adhere to **local electrical codes** (e.g., NEC, IEC) when installing shock-safe components to ensure full compliance. For professionals seeking a **reliable, shock-safe fuseholder** that combines **Littelfuse’s engineering excellence** with **industrial-grade performance**, the **H3452LS1A** is the optimal choice. Trust Littelfuse to deliver **superior protection** for your electrical systems.
  • Shock-safe construction for enhanced operator safety
  • Panel-mount design for seamless integration into control systems
  • Compatible with 2AG fuses for versatile protection
  • Industrial-grade durability for harsh environments
  • Easy installation and maintenance with tool-less mounting

Specifications

Brand Name
Littelfuse
Connection Type
Screw-type
Material
Thermoplastic
Mounting Type
Panel Mount
Series
LS1A
Size
2AG
Special Features
See in the web sheet
Standard
UL Listed CSA
Sub Brand
Shock-Safe
Type
Panel Fuseholder
Littelfuse advocates the use of LET series fuse holders with a permanently installed solid neutral in high humidity and corrosive environments where a watertight 600V product is required. The LET series features an integrated lug on the line side of the circuit, this ensures that there is nothing protruding from the load side of the product that could allow for an unsafe electrical touch point.

LETBB

Littelfuse advocates the use of LET series fuse holders with a permanently installed solid neutral in high humidity and corrosive environments where a watertight 600V product is required. The LET series features an integrated lug on the line side of the circuit, this ensures that there is nothing protruding from the load side of the product that could allow for an unsafe electrical touch point.
PANEL MOUNT SHOCK-SAFE FUSEHOLDER 603. 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.

345603A

PANEL MOUNT SHOCK-SAFE FUSEHOLDER 603. 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.
PANEL MOUNT SHOCK-SAFE FUSEHOLDER 611. 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.

345611-010

PANEL MOUNT SHOCK-SAFE FUSEHOLDER 611. 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.
SHOCK-SAFE FUSEHOLDER FOR 3AG TYPE FUSES. 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.

345101A

SHOCK-SAFE FUSEHOLDER FOR 3AG TYPE FUSES. 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.
PANEL MOUNT SHOCK-SAFE FUSEHOLDER 613. 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.

345613-010

PANEL MOUNT SHOCK-SAFE FUSEHOLDER 613. 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.
ACS INTL SHOCK-SAFE 2AG FUSEHLDR HS4A. International Shock-Safe Panel Mount Fuseholder for 2AG Fuses.

H3452HS4A

ACS INTL SHOCK-SAFE 2AG FUSEHLDR HS4A. International Shock-Safe Panel Mount Fuseholder for 2AG Fuses.
ACS INTL SHOCK-SAFE 2AG FUSEHLDR RF3A. International Shock-Safe Panel Mount Fuseholder for 2AG Fuses.

H3452RF3A

ACS INTL SHOCK-SAFE 2AG FUSEHLDR RF3A. International Shock-Safe Panel Mount Fuseholder for 2AG Fuses.
ACS INTL SHOCK-SAFE 2AG HLDR W/LOCKWASHR. International Shock-Safe Panel Mount Fuseholder for 2AG Fuses.

H3452LS1L

ACS INTL SHOCK-SAFE 2AG HLDR W/LOCKWASHR. International Shock-Safe Panel Mount Fuseholder for 2AG Fuses.
ACS INTL SHOCK-SAFE 3AG FHLDR W/2 WASHRS. International Shock-Safe Panel Mount Fuseholder for 3AG/3AB Fuses.

H3453HS7LN

ACS INTL SHOCK-SAFE 3AG FHLDR W/2 WASHRS. International Shock-Safe Panel Mount Fuseholder for 3AG/3AB Fuses.
ACS SHOCK-SAFE FUSEHLDR 903A. 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.

H345903A

ACS SHOCK-SAFE FUSEHLDR 903A. 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 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.

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.