Littelfuse 3452HS4A - PANELMOUNT SHKSAFE FSEHLDR 2AG FUSE HS4A. 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

3452HS4A

Alternate Item Number: 03452HS4X

UPC: 079458003505


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Overview

The Littelfuse 3452HS4A is a panel mount fuseholder specifically engineered to eliminate the possibility of electrical shock, adhering to IEC standards 65 and 257. This design prioritizes user safety in electrical installations. The fuseholder features a low-profile body, which is advantageous for installations where space is a constraint, allowing for a more compact panel design. Its finger-grip knob facilitates easy and secure operation, even in industrial settings where gloves might be worn. A key safety feature is the anti-tease function, which prevents accidental circuit interruption. This is achieved by ensuring the circuit is not broken when the knob is inadvertently depressed during handling or maintenance. Manufactured by Littelfuse, a recognized leader in circuit protection, the 3452HS4A (SKU: 3452HS4A) offers a reliable and safe method for housing 2AG fuses. Its robust construction and adherence to international safety standards make it an ideal choice for industrial and commercial applications requiring stringent electrical shock protection and dependable fuse access. The fuseholder is designed for panel mounting, simplifying integration into existing electrical enclosures and equipment. Its origin is the United States.
  • IEC 65 and 257 compliant for electrical shock protection
  • Low-profile body design for space-saving installations
  • Finger-grip knob for easy and secure operation
  • Anti-tease feature prevents accidental circuit interruption
  • Designed for panel mounting and 2AG fuses
Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

E1062696

Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20
Control Transformer Accessories - Secondary Fuse Kit 3

SFK3

Control Transformer Accessories - Secondary Fuse Kit 3
Features:For (2) Fuses with Primary and Secondary Finger Safe Covers Kit, Application:Control Transformer, Class:CC

FBPC1

Features:For (2) Fuses with Primary and Secondary Finger Safe Covers Kit, Application:Control Transformer, Class:CC
The Littelfuse 600 V in-line watertight fuse holders are the ideal answer for all high humidity and corrosive environments where fuses are required. Available in both breakaway and non-breakaway, single and double pole versions, these fuse holders allow maximum flexibility for any application.

LEXAA

The Littelfuse 600 V in-line watertight fuse holders are the ideal answer for all high humidity and corrosive environments where fuses are required. Available in both breakaway and non-breakaway, single and double pole versions, these fuse holders allow maximum flexibility for any application.
RM PV 1P 10/14X85 1500VDC

57PV1085

RM PV 1P 10/14X85 1500VDC
PRIMARY FUSE KIT, CLASS CC, 2POLE

FKTP-1001

PRIMARY FUSE KIT, CLASS CC, 2POLE
Fuse Holder, 600V Threaded

18880300002

Fuse Holder, 600V Threaded
FUSE HOLDER KIT, 1 PER, 153D SERIES

FH_KIT1

FUSE HOLDER KIT, 1 PER, 153D SERIES
BF AUTO BLACK FUSE HOLDER

1SNA299486R2400

BF AUTO BLACK FUSE HOLDER

Frequently Asked Questions

What are UL Class fuses used for?

UL Class fuses protect electrical systems and personnel, with features like indication to improve productivity and safety.

What applications are high-speed fuses suitable for?

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

What do medium voltage fuses protect?

Medium voltage fuses protect transformers, potential transformers, feeders, and motor circuits. They come in various current, voltage, interrupting rating, and mounting configurations.

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 offer compact supplemental protection.

What is the maximum voltage for Littelfuse solar fuses?

Littelfuse offers solar fuses and holders rated up to 1500 Vdc for both high-current and low-current photovoltaic applications.

What conditions do feeder protection relays guard against?

Feeder protection relays protect circuits from overcurrent, ground faults, phase loss, overload, and other detrimental conditions.

What UL standard does the Industrial Shock-Block® GFCI meet?

The Industrial Shock-Block® GFCI meets UL Standard 943C Class C and Class D, designed for people protection in industrial facilities.

What are the benefits of high-resistance grounding?

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

How do arc-flash protection relays work?

Arc-flash protection relays detect developing arc-flash incidents and send a trip signal to interrupt power, preventing significant damage.

What do ground-fault protection relays detect?

Ground-fault protection relays with advanced filtering detect the breakdown of insulation resistance caused by moisture, vibration, chemicals, or dust.

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.