Littelfuse 3452LF3A - PANELMOUNT SHKSAFE FSEHLDR 2AG FUSE LF3A. 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.
Littelfuse

3452LF3A

Alternate Item Number: 03452LF3X

UPC: 079458003567


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Overview

The Littelfuse 3452LF3A Shock-Safe Panelmount Fuseholder (SKU: 3452LF3A) is a panel-mount fuseholder designed to IEC 65 and 257 standards for electrical shock protection. This fuseholder features a low-profile body, a finger-grip knob, and an anti-tease mechanism that prevents accidental circuit interruption when the knob is depressed. The anti-tease feature ensures compliance with safety standards by eliminating unintended fuseholder activation. The 2AG (5x20mm) fuse size accommodates 3A fuses, making it suitable for industrial control panels, power supplies, and equipment where operator safety is critical. The fuseholder is manufactured in the US and is built for reliable, long-term performance in demanding environments. Its compact design allows for easy integration into control panels and electrical enclosures. Key specifications include a current rating of 3A, a 2AG (5x20mm) fuse size, and panelmount mounting type. The SHKSAFE series is engineered for applications requiring shock-safe operation, such as industrial control systems, power distribution units, and sensitive electronic equipment. The low-profile body design minimizes space usage while maintaining robust functionality. The finger-grip knob provides easy access for fuse replacement, and the anti-tease feature ensures that accidental knob depression does not interrupt the circuit, enhancing operational safety. The 3452LF3A is ideal for use in environments where electrical safety and compliance with IEC standards are mandatory. Its US-manufactured construction ensures high-quality materials and workmanship, delivering long-term reliability in harsh industrial conditions. The fuseholder’s compact form factor and compliance with IEC 65 and 257 make it a trusted choice for engineers and technicians prioritizing safety and performance in their designs.
  • Shock-safe design compliant with IEC 65 and 257 standards
  • 3A current rating with 2AG (5x20mm) fuse size compatibility
  • Low-profile body with finger-grip knob for easy fuse replacement
  • Anti-tease feature prevents accidental circuit interruption
  • US-manufactured for reliable performance in industrial environments

Specifications

Current Rating
3 A
Material
Poly
Mounting Type
Panel-Mount
Mounting Type
Panelmount
Series
Shock-Safe
Size
5x20mm
Size
2AG (5x20mm)
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

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Frequently Asked Questions

What types of fuses does Littelfuse offer?

Littelfuse offers UL Class, high-speed, medium voltage, 10 x 38 mm, and solar fuses. They also provide fuse blocks and holders.

What are the capabilities of 10 x 38 mm fuses?

These fuses provide compact supplemental protection, available in time-delay, fast-acting, board mount or solar versions. Ratings range from 125 to 1000 volts and 1/10 to 30 amperes.

What is the purpose of Littelfuse high-speed fuses?

High-speed fuses protect critical power semiconductor devices against short circuits. They are used in power conversion applications like inverters, variable-speed drives, UPS, and DC drive systems.

What protection relays and controls does Littelfuse provide?

Littelfuse provides feeder protection, GFCIs, resistance grounding/monitoring, voltage monitors, timers & flashers, arc-flash, motor, pump, pump controllers, ground-fault, and trailing-cable protection relays.

What is the Industrial Shock-Block® GFCI designed for?

The Industrial Shock-Block® GFCI is a permanently connected special-purpose GFCI meeting UL Standard 943C Class C and D. It is designed for people protection in industrial facilities.

How do Littelfuse arc-flash protection relays work?

Arc-flash relays detect a developing arc-flash incident. They send a trip signal to interrupt power before significant damage occurs.

What is the benefit of resistance grounding?

High-resistance grounding limits point-of-fault damage, eliminates arc-flash hazards, and prevents transient overvoltages associated with ground faults.

Where can I find technical support for Littelfuse products?

Technical support is available via phone at +1-800-TEC-FUSE (800-832-3873) in the US & Canada. You can also email [email protected].

What resources are available for learning about Littelfuse products?

Littelfuse University (LFU) offers in-depth training courses and quick references. LFU content is also shared to the NAED Learning Center and other distributor learning platforms.

How can I check product availability and pricing?

Product availability and pricing can be accessed through the private Littelfuse Business Center website at LittelfuseBusinessCenter.com.

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.