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Littelfuse H3453RF4A - ACS INTL SHOCK-SAFE 3AG FUSEHLDR RF4A. International Shock-Safe Panel Mount Fuseholder for 3AG/3AB Fuses.

Littelfuse H3453RF4A ACS INTL SHOCK-SAFE 3AG FUSEHLDR RF4A. International Shock-Safe Panel Mount Fuseholder…

UPC: 079458981759

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Specification Sheet

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Minimum Qty: 100

Multiplier: 100

*Contact for lower quantities*

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The **Littelfuse H3453RF4A Shock-Safe Panel Mount Fuseholder** is a premium-grade, international-standard fuseholder engineered for **3AG/3AB fuses** in industrial and commercial electrical systems. Designed to meet the rigorous demands of power distribution, control panels, and machinery protection, this fuseholder delivers uncompromising reliability, safety, and longevity. As part of Littelfuse’s globally recognized RF4A series, the H3453RF4A combines robust construction with intuitive installation, ensuring seamless integration into new or existing systems while maintaining compliance with international safety standards. **Key Features and Technical Advantages** The H3453RF4A is built for environments where electrical safety and operational continuity are non-negotiable. Its **Shock-Safe design** significantly reduces the risk of accidental contact with live components, making it ideal for applications in high-traffic industrial facilities, utility substations, and manufacturing plants. The panel-mount configuration ensures a secure fit, minimizing vibration-induced loosening—a critical factor in heavy machinery and mobile equipment where mechanical stress is common. Constructed from high-impact, flame-retardant thermoplastic, the fuseholder resists corrosion, UV degradation, and extreme temperatures, ensuring consistent performance across diverse operating conditions. **Industry Applications and Use Cases** This fuseholder is a cornerstone component in a wide range of industrial sectors, including: - **Power Distribution Systems**: Used in switchgear, distribution boards, and load centers to protect downstream circuits from overcurrent conditions. - **Industrial Machinery**: Essential in CNC machines, robotics, and conveyor systems where precise circuit protection prevents costly downtime. - **Control Panels**: Provides reliable fuse mounting in PLCs, motor controllers, and automation systems, ensuring compliance with IEC 60269 and UL 248 standards. - **Renewable Energy Installations**: Deployed in solar inverters, wind turbine controllers, and battery management systems to safeguard sensitive electronics. - **Commercial Buildings**: Installed in HVAC systems, lighting panels, and fire alarm circuits to meet stringent electrical safety codes. **Why Professionals Choose Littelfuse for Fuseholders** Littelfuse has been a trusted name in circuit protection for over a century, earning a reputation for innovation, durability, and adherence to global safety certifications. The H3453RF4A exemplifies this legacy, offering: - **Global Compliance**: Meets international standards such as IEC, UL, and VDE, ensuring seamless integration into systems worldwide. - **Ease of Installation**: Designed with user-friendly features, including clear labeling, secure mounting brackets, and tool-free fuse insertion for rapid deployment. - **Long-Term Reliability**: Backed by Littelfuse’s rigorous testing protocols, the fuseholder withstands mechanical stress, thermal cycling, and electrical surges without degradation. - **Interchangeability**: Compatible with a broad range of 3AG/3AB fuse types, providing flexibility for future upgrades or replacements. - **Safety First**: The Shock-Safe feature aligns with OSHA and NFPA 70E guidelines, reducing workplace hazards and liability risks. **Installation and Maintenance Considerations** Professionals prioritize fuseholders that balance performance with ease of maintenance. The H3453RF4A excels in both areas: - **Panel Compatibility**: Designed for standard 3AG/3AB fuse slots, it fits seamlessly into existing panel cutouts or can be specified for new installations. - **Durable Housing**: The high-strength thermoplastic housing resists cracking, warping, or discoloration, even in harsh environments. - **Minimal Maintenance**: With no moving parts and corrosion-resistant terminals, the fuseholder requires only periodic visual inspections to ensure proper operation. - **Tool-Free Access**: Fuses can be replaced quickly without specialized tools, reducing service time and labor costs. **Selecting the Right Fuseholder for Your Application** When evaluating fuseholders, engineers and procurement teams consider factors such as environmental conditions, electrical ratings, and compliance requirements. The H3453RF4A addresses these concerns by offering: - **Wide Voltage and Current Range**: Suitable for applications ranging from low-voltage control circuits to high-current power distribution. - **Shock-Safe Certification**: Certified to prevent accidental contact, reducing the risk of arc flash and electrical shock injuries. - **Global Availability**: Littelfuse’s extensive distribution network ensures timely delivery, even for large-scale industrial projects. - **Cost-Effective Protection**: While premium in quality, the H3453RF4A delivers long-term value by minimizing downtime and replacement costs. For industries where electrical safety and system reliability are paramount, the **Littelfuse H3453RF4A Shock-Safe Panel Mount Fuseholder** stands as a benchmark for performance and durability. Whether protecting critical infrastructure, industrial equipment, or commercial systems, this fuseholder provides the peace of mind that comes with trusted circuit protection technology.
  • Shock-Safe design prevents accidental contact with live components
  • Panel-mount configuration for secure, vibration-resistant installation
  • Compatible with 3AG/3AB fuses for versatile circuit protection
  • High-impact, flame-retardant thermoplastic housing for durability
  • Meets IEC, UL, and VDE international safety standards

Specifications

Brand Name
Littelfuse
Material
High-impact, flame-retardant thermoplastic
Mounting Type
Panel Mount
Series
RF4A
Size
3AG/3AB fuse size
Special Features
See in the web sheet
Standard
UL Listed CSA
Sub Brand
Shock-Safe
Type
Panel Fuseholder
Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

E1062696

Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20
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.
E 92/30S CC is a fuseholder for overcurrent and short circuit protection specific for class CC fuses

E92/30SCC

E 92/30S CC is a fuseholder for overcurrent and short circuit protection specific for class CC fuses
Dead front fuse holder front operated 22x58 4P 125A for RMS100

57035016

Dead front fuse holder front operated 22x58 4P 125A for RMS100
Fuse Holder GPM-B 600V CC

18813000026

Fuse Holder GPM-B 600V CC
Terminal Covers (2 Covers Per Kit). Field installed primary and secondary IEC Touch Proof Cover Kit.

IP20

Terminal Covers (2 Covers Per Kit). Field installed primary and secondary IEC Touch Proof Cover Kit.
ACS INTL SHOCKSAFE 5X20MM FUSEHLDR LF8A. International Shock-Safe Panel Mount Fuseholder for 5x20mm Fuses.

H3455LF8A

ACS INTL SHOCKSAFE 5X20MM FUSEHLDR LF8A. International Shock-Safe Panel Mount Fuseholder for 5x20mm Fuses.
ACS INTL SHOCKSAFE 5X20MM FUSEHLDR LF3A. International Shock-Safe Panel Mount Fuseholder for 5x20mm Fuses.

H3455LF3A

ACS INTL SHOCKSAFE 5X20MM FUSEHLDR LF3A. International Shock-Safe Panel Mount Fuseholder for 5x20mm Fuses.

Frequently Asked Questions

What fuse sizes are compatible with this fuseholder?

This fuseholder is compatible with 3AB, 3AG, 5x20mm, and 2AG fuse sizes, depending on the knob selected.

What is the operating temperature range for this fuseholder?

The fuseholder can operate in ambient temperatures ranging from -40 degrees Celsius to +85 degrees Celsius.

What are the available terminal styles for this fuseholder?

Available terminal styles include a 3/16" dual-purpose for soldering or quick connect, and a 1/4" NEMA/DIN quick connect.

What is the insulation resistance of the fuseholder?

The insulation resistance is a minimum of 10,000 megohms at 500 VDC.

What is the contact resistance of the fuseholder?

The contact resistance is less than 0.005 ohm average at currents up to 1 ampere.

What is the maximum mounting torque for threaded style fuseholders?

Threaded style fuseholders can withstand a maximum mounting torque of 15 in.-lb.

What are the panel thickness limits for different mounting styles?

Low/High profile: .032" min./.310" max. Quick mount: .012" min./.360" max. Rear mount: .012" min./.260" max.

What materials are the body and knob made from?

The body is made of black glass-filled thermoplastic (UL 94V0), and the knob is made of grey, blue, or black glass-filled thermoplastic (UL94 V-0).

What types of knobs are available for this fuseholder?

Knobs are available in finger-grip or screwdriver slot styles, both with a fuse extractor feature.

What is the purpose of the anti-tease feature?

The anti-tease feature eliminates circuit interruption when the knob is accidentally depressed and ensures the locking mechanism will not vibrate loose.

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.