Littelfuse 235001P - FAST-ACTING 5X20MM GLASS FUSE 1PA. 5x20mm medium-acting glass body fuse designed to UL specification. Features: Designed to UL/CSA/ANCE 248 Standard. Available in cartridge and axial lead format RoHS compliant and lead-free.
Littelfuse

235001P

Alternate Item Number: 0235001.VXP

UPC: 079458908305


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Overview

The Littelfuse 235001P is a 5x20mm fast-acting glass body fuse, engineered for reliable electrical circuit protection. Designed to meet rigorous UL/CSA/ANCE 248 standards, this fuse provides dependable overcurrent interruption for a wide range of industrial, commercial, and consumer electronics applications. Its robust glass body construction ensures consistent thermal response and precise current interruption capabilities, making it ideal for protecting sensitive electronic equipment, industrial control systems, and electrical machinery where accurate overcurrent protection is critical. The Littelfuse 235001P is available in both cartridge and axial lead formats, offering significant flexibility for diverse mounting and design requirements within electrical systems. Furthermore, this fuse is RoHS compliant and lead-free, adhering to modern environmental and safety regulations without compromising technical performance. Key specifications include a 1 Ampere (1A) current rating and a standard 5x20mm size, ensuring broad compatibility with existing fuse holders and equipment. This Littelfuse fuse is a trusted component for Original Equipment Manufacturers (OEMs) and maintenance professionals seeking dependable circuit protection solutions. The M-PACK 1PA series designation highlights its fast-acting nature and packaging for efficient integration. Engineered for optimal safety and compatibility with modern electrical systems, the 235001P delivers consistent overcurrent protection. Its medium-acting characteristic ensures it interrupts circuits promptly when overcurrent conditions arise, safeguarding valuable components from damage. The Littelfuse 235001P is a critical safety component for ensuring the longevity and operational integrity of electrical equipment.
  • 5x20mm fast-acting glass body fuse
  • 1 Ampere (1A) current rating
  • Designed to UL/CSA/ANCE 248 Standard
  • Available in cartridge and axial lead format
  • RoHS compliant and lead-free

Specifications

Amperage Rating
100 Amps
Application
General Purpose
Brand Name
Littelfuse
Connection Type
Cartridge
Current Rating
1 A
Material
Glass
Series
235001P
Size
5x20mm
Special Features
Time-Delay
Standard
Standard 248-12 UL Listed/CSA
Sub Brand
POWR-GARD FLSR Series
Type
Class RK5
FLSR050 is a Class RK5 fuse with an ampere rating of 50 and cartridge-style construction.

FLSR050

FLSR050 is a Class RK5 fuse with an ampere rating of 50 and cartridge-style construction.
FAST-ACTING 5X20MM GLASS FUSE 3PA. 5x20mm medium-acting glass body fuse designed to UL specification. Features: Designed to UL/CSA/ANCE 248 Standard. Available in cartridge and axial lead format RoHS compliant and lead-free.

235003P

FAST-ACTING 5X20MM GLASS FUSE 3PA. 5x20mm medium-acting glass body fuse designed to UL specification. Features: Designed to UL/CSA/ANCE 248 Standard. Available in cartridge and axial lead format RoHS compliant and lead-free.
FLSR200 is a Class RK5 fuse with an ampere rating of 200 and knife-blade-style construction.

FLSR200

FLSR200 is a Class RK5 fuse with an ampere rating of 200 and knife-blade-style construction.
FLSR.800ID is a Class RK5 fuse with an ampere rating of 0.8 and cartridge-style construction.

FLSR.800ID

FLSR.800ID is a Class RK5 fuse with an ampere rating of 0.8 and cartridge-style construction.
FLSR.400ID is a Class RK5 fuse with an ampere rating of 0.4 and cartridge-style construction.

FLSR.400ID

FLSR.400ID is a Class RK5 fuse with an ampere rating of 0.4 and cartridge-style construction.

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.