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Littelfuse H3453RF7LN - ACS INTL SHOCK-SAFE 3AG FUSEHLDR RF7LN. International Shock-Safe Panel Mount Fuseholder for 3AG/3AB Fuses.

Littelfuse H3453RF7LN ACS INTL SHOCK-SAFE 3AG FUSEHLDR RF7LN. International Shock-Safe Panel Mount Fuseholder…

UPC: 079458981773

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Specification Sheet

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Minimum Qty: 100

Multiplier: 100

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

Overview

The Littelfuse H3453RF7LN is a premium, international shock-safe panel mount fuseholder engineered to provide robust and reliable circuit protection for 3AG and 3AB fuses. Designed with safety and durability as paramount concerns, this fuseholder is an essential component for a wide array of industrial and commercial electrical systems. Its shock-safe design significantly enhances user safety by preventing accidental contact with live fuse terminals, a critical feature in environments where electrical maintenance and operation are frequent. This RF7LN series fuseholder from Littelfuse boasts a sturdy panel mount construction, ensuring secure and stable installation within control panels, power distribution units, machinery enclosures, and other critical infrastructure. The panel mount capability allows for clean and organized integration into existing electrical layouts, facilitating efficient assembly and maintenance processes. Professionals rely on Littelfuse for their commitment to quality and performance, and the H3453RF7LN is a testament to this reputation, offering dependable fuse retention and electrical connectivity even under demanding operational conditions. Key features and benefits of the Littelfuse H3453RF7LN include: * **International Shock-Safe Design:** Prioritizes user safety by isolating live fuse contacts. * **Panel Mount Capability:** Enables secure and professional integration into electrical enclosures. * **Compatibility:** Specifically designed for 3AG and 3AB fuses, offering broad application flexibility. * **Robust Construction:** Built to withstand the rigors of industrial environments, ensuring long-term reliability. * **Trusted Manufacturer:** Littelfuse is a globally recognized leader in circuit protection, known for high-quality components. The H3453RF7LN is ideally suited for applications requiring dependable overcurrent protection and enhanced safety standards. This includes, but is not limited to, power supplies, industrial automation equipment, HVAC systems, medical devices, and general electrical distribution panels. By incorporating this fuseholder, engineers and technicians can ensure the integrity of their electrical circuits and protect sensitive equipment from damage caused by electrical faults or overloads. The ease of fuse replacement, combined with its secure mounting, makes the H3453RF7LN a practical and cost-effective solution for maintaining operational continuity and safety. Invest in the reliability and safety that only Littelfuse can provide for your critical electrical applications.
  • International Shock-Safe Panel Mount Fuseholder
  • Designed for 3AG and 3AB Fuses
  • Robust Construction for Industrial Environments
  • Enhances User Safety with Isolated Terminals
  • Secure and Reliable Panel Mounting

Specifications

Brand Name
Littelfuse
Material
Sturdy construction (industrial-grade)
Mounting Type
Panel Mount
Series
RF7LN
Size
3AG/3AB fuse compatible
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

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PANELMOUNT SHKSAFE FSEHLDR 3AG FUSE RF4A. 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.

3453RF4A

PANELMOUNT SHKSAFE FSEHLDR 3AG FUSE RF4A. 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.
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The Littelfuse LFXV15 series fuse block and cover is designed to hold 1500 V size 20 x 127 mm fuses rated 35–60 amperes. Suitable for photovoltaic systems (string and high-capacity combiner boxes) with fault currents up to 50 kA. With available ampere ratings up to 60 A, more strings can be pre-combined in harnesses to reduce the number of inputs into combiner boxes, thereby decreasing installation time and labor costs.

LFXV15060-BC

The Littelfuse LFXV15 series fuse block and cover is designed to hold 1500 V size 20 x 127 mm fuses rated 35–60 amperes. Suitable for photovoltaic systems (string and high-capacity combiner boxes) with fault currents up to 50 kA. With available ampere ratings up to 60 A, more strings can be pre-combined in harnesses to reduce the number of inputs into combiner boxes, thereby decreasing installation time and labor costs.
The Littelfuse LFXV15 series fuse block and cover is designed to hold 1500 V size 20 x 127 mm fuses rated 35–60 amperes. Suitable for photovoltaic systems (string and high-capacity combiner boxes) with fault currents up to 50 kA. With available ampere ratings up to 60 A, more strings can be pre-combined in harnesses to reduce the number of inputs into combiner boxes, thereby decreasing installation time and labor costs.

LFXV150601C

The Littelfuse LFXV15 series fuse block and cover is designed to hold 1500 V size 20 x 127 mm fuses rated 35–60 amperes. Suitable for photovoltaic systems (string and high-capacity combiner boxes) with fault currents up to 50 kA. With available ampere ratings up to 60 A, more strings can be pre-combined in harnesses to reduce the number of inputs into combiner boxes, thereby decreasing installation time and labor costs.
The Littelfuse LFXV15 series fuse block and cover is designed to hold 1500 V size 20 x 127 mm fuses rated 35–60 amperes. Suitable for photovoltaic systems (string and high-capacity combiner boxes) with fault currents up to 50 kA. With available ampere ratings up to 60 A, more strings can be pre-combined in harnesses to reduce the number of inputs into combiner boxes, thereby decreasing installation time and labor costs.

LFXV15060FBC

The Littelfuse LFXV15 series fuse block and cover is designed to hold 1500 V size 20 x 127 mm fuses rated 35–60 amperes. Suitable for photovoltaic systems (string and high-capacity combiner boxes) with fault currents up to 50 kA. With available ampere ratings up to 60 A, more strings can be pre-combined in harnesses to reduce the number of inputs into combiner boxes, thereby decreasing installation time and labor costs.

Frequently Asked Questions

What fuse sizes are compatible with this fuseholder?

This fuseholder is compatible with 3AB, 3AG, 5x20mm, and 2AG fuse sizes.

What are the operating temperature limits for this fuseholder?

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

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 .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 panel thicknesses are supported by the quick mount style?

The quick mount style supports panel thicknesses from .012 inches minimum to .360 inches maximum.

What materials are the body and knob made from?

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

What terminal styles are available for this fuseholder?

Available terminal styles include dual-purpose for soldering or 3/16” NEMA quick connect, and ¼” NEMA/DIN quick connect.

How can fuse size be quickly identified on the fuseholder?

Quick fuse size identification is provided with letters on the fingergrip knob and color-coded screwdriver slot knobs.

What is the anti-tease feature and how does it work?

The anti-tease feature eliminates circuit interruption when the knob is accidentally depressed, using a spring-loaded, locking mechanism.

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.