Littelfuse 3455RF1 - PANELMNT SHKSAFE FUSHLDR 5X20MM FUS RF1. 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

3455RF1

Alternate Item Number: 03455RF1X

UPC: 079458004618


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Overview

The Littelfuse 3455RF1 (SKU: 3455RF1) is a panel-mount fuseholder engineered for enhanced electrical safety, specifically designed to eliminate the possibility of electrical shock as defined by IEC standards 65 and 257. This fuseholder is ideal for applications where personnel safety is a critical concern, such as in industrial control panels, medical equipment, and consumer electronics. It accommodates standard 5x20mm fuses and features a robust construction for reliable operation. The 3455RF1 boasts a low-profile body, allowing for efficient use of space within enclosures. Its integrated finger-grip knob provides a secure and ergonomic interface for fuse insertion and removal, even in challenging environments. A key safety feature is the anti-tease function, which prevents accidental circuit interruption by ensuring the knob cannot be depressed unintentionally during fuse handling. This mechanism significantly reduces the risk of unintended power loss or system downtime caused by accidental knob activation. The fuseholder is rated for 1 Ampere, making it suitable for protecting circuits with moderate current requirements. Manufactured in the USA, the Littelfuse 3455RF1 combines advanced safety features with durable construction, offering peace of mind and dependable circuit protection. Its panel-mount design facilitates straightforward integration into existing or new electrical assemblies, ensuring compliance with stringent safety regulations and enhancing overall system reliability. Choose the Littelfuse 3455RF1 for superior shock protection and operational integrity in your critical applications.
  • IEC 65 and 257 compliant for electrical shock prevention
  • Accommodates 5x20mm fuses
  • Panel mount design for easy integration
  • Low-profile body and finger-grip knob
  • Anti-tease feature prevents accidental circuit interruption

Specifications

Application
Circuit Board
Brand Name
Littelfuse
Special Features
Drip proof option available on screwdriver slot knob style
Standard
RoHS
Sub Brand
345 Series
Type
Fuseholder
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 technical support resources does Littelfuse offer?

Littelfuse offers a Techline with technical experts who can provide product cross references, technical information, engineering drawings, and application assistance. They can be contacted at 1-800-TEC-FUSE or [email protected].

How can distributors access Littelfuse product information?

Distributors can access product information through the Littelfuse Business Center website, which provides product availability, pricing, order placement, order status, special pricing agreements, literature ordering, and technical resources.

What marketing support does Littelfuse provide to distributors?

Littelfuse offers a Marketing to Marketing program that includes co-branded email campaigns, content sharing, marketing tools, product launch support, and website linking. The program is free and aims to help distributors grow sales.

What types of training are available for Littelfuse products?

Littelfuse University offers in-depth training courses ranging from 3 to 20 minutes, covering basic to expert levels across various product focus areas. Courses can be accessed at LittelfuseUniversity.com.

What digital marketing assets does Littelfuse provide?

Littelfuse offers a digital asset portal with online sales tools, product images, video files, sales presentations, webcast recordings, and product literature that can be downloaded and used by distributors.

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.