Littelfuse 3453QS2A - PANELMOUNT SHKSAFE FSEHLDR 3AG FUSE QS2A. 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

3453QS2A

Alternate Item Number: 03453QS2X

UPC: 079458004137


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Overview

The Littelfuse 3453QS2A Shock-Safe Panelmount Fuseholder (SKU: 3453QS2A) is a UL-listed solution designed to eliminate electrical shock hazards in panel-mounted applications. Compliant with IEC 65 and 257 standards, this fuseholder ensures shock-safe operation for 3AG fuse compatibility. Its low-profile body optimizes space in control panels, while the ergonomic finger-grip knob enables quick and safe fuse replacement. The integrated anti-tease feature prevents accidental circuit interruption when the knob is depressed, maintaining continuous operation in critical systems. Constructed with durable materials, the 3453QS2A features a secure mounting design for reliable panel installation. The fuseholder supports 3AG fuses, providing overcurrent protection in industrial, commercial, and safety-critical electrical systems. Its compact form factor allows for efficient integration into tight panel spaces without compromising performance. Designed for compliance with international safety regulations, this fuseholder meets stringent IEC shock protection requirements, making it suitable for applications where electrical safety is a priority. The robust construction ensures long-term durability in demanding environments.
  • UL-listed and IEC 65/257 compliant for shock-safe operation
  • Low-profile body for space-efficient panel mounting
  • Ergonomic finger-grip knob for easy fuse replacement
  • Anti-tease feature prevents accidental circuit interruption
  • Secure panelmount design for industrial and commercial applications

Specifications

Material
Poly
Mounting Type
Panelmount
Series
Shock-Safe
Size
3AG
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Frequently Asked Questions

What types of UL Class fuses does Littelfuse offer?

Littelfuse manufactures a complete selection of UL Class fuses for protecting electrical systems and personnel. These fuses often include indication features to improve productivity and enhance safety.

What are Littelfuse high-speed fuses used for?

High-speed fuses protect critical power semiconductor devices against short circuits in various power conversion applications. These include inverters, variable-speed drives, UPS, and DC drive systems.

What are the voltage and current ratings for 10 x 38 mm fuses?

10 x 38 mm fuses are available with ratings from 125 to 1000 volts and 1/10 to 30 amperes. They provide compact supplemental protection for a wide variety of applications.

What voltage do Littelfuse solar fuses support?

Littelfuse offers solar fuses and holders that support applications up to 1500 Vdc. These are available for both high-current and low-current photovoltaic needs.

What are POWR-BLOKS power distribution blocks?

POWR-BLOKS power distribution blocks offer a safe and convenient way for splicing cables and managing power distribution requirements within panels and systems. They feature touch-safe designs and available covers.

What protection does the Industrial Shock-Block® GFCI provide?

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

What is the purpose of resistance grounding?

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

How do Littelfuse arc-flash protection relays work?

Arc-flash relays detect a developing arc-flash incident and send a trip signal to interrupt power. This action helps prevent significant damage from occurring.

What types of protection do Littelfuse pump controllers offer?

Pump controllers protect and disable a pump if a hazardous condition arises. They are available for both single-phase and three-phase applications.

What do trailing-cable protection relays monitor?

Trailing-cable protection relays continuously monitor the integrity of the ground conductor in portable cables. This protects cable-fed equipment from hazardous voltages caused by ground faults.

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.