Authorized Littelfuse Distributor
Littelfuse PAL450 - FUSE PAL AUTO LINK 32V 9/16 BNT BOX 50A. PAL™ Fuses are available in current ratings up to 120 amperes, with either female or bolt-on terminals.

Littelfuse PAL450 FUSE PAL AUTO LINK 32V 9/16 BNT BOX 50A. PAL™ Fuses are available in current ratings up…

Alternate Item Number: 0PAL450.X

UPC: 079458014013


Documents & Media
BrochureSpecification Sheet

Contact for Pricing

Minimum Qty: 10

Multiplier: 10

*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 PAL450 (SKU: PAL450) is a 50-ampere, 32-volt DC bolt-on fuse engineered for reliable overcurrent protection in industrial and automotive electrical systems. This fuse is part of the Littelfuse PAL™ series, offering consistent performance for medium to heavy-duty applications. It is suitable for power distribution units, heavy equipment, automotive electrical systems, and marine environments. The PAL450 features 9/16 BNT BOX terminals, a standard configuration designed for secure, vibration-resistant connections to busbars and power distribution components. Its bolt-on terminal design ensures stable electrical contact, minimizing the risk of loose connections under thermal cycling or mechanical stress. With a 50A current rating and a 32V DC voltage rating, the PAL450 provides effective fault protection for circuits requiring substantial current handling. The fuse is built for durability, ensuring long-term performance in demanding operating conditions. Installation is straightforward, making it a practical choice for engineers and technicians prioritizing efficiency and reliability in circuit protection. The PAL™ fuse family is recognized for its high interrupting capacity and consistent performance, offering essential safeguards for critical electrical systems. For comparison, other Littelfuse fuses include the L50S050 with 50A and 450V DC rating, and the L50S250 with 250A and 450V DC rating.
  • 50 Ampere current rating
  • 32 Volt DC voltage rating
  • Bolt-on terminal design
  • 9/16 BNT BOX terminals for secure connections
  • Part of the Littelfuse PAL™ fuse series

Specifications

Application
Automotive
Brand Name
Littelfuse
Connection Type
Bolt-on
Current Rating
50 A
Series
PAL
Standard
RoHS
Sub Brand
PAL Series
Voltage Rating
32 V
FUSE - MAXI 32V 50A 50 PC. With "Diffusion Pill Technology" the MAXI® Fuse provides excellent time delay characteristics and low heat dissipation. Designed and patented by Littelfuse, the MAXI fuse is ideal for motor powered applications which have large inrush currents.

0299050.L

FUSE - MAXI 32V 50A 50 PC. With "Diffusion Pill Technology" the MAXI® Fuse provides excellent time delay characteristics and low heat dissipation. Designed and patented by Littelfuse, the MAXI fuse is ideal for motor powered applications which have large inrush currents.
FUSE PAL AUTO LINK 32V 9/16 BNT BOX 80A. PAL™ Fuses are available in current ratings up to 120 amperes, with either female or bolt-on terminals.

PAL480

FUSE PAL AUTO LINK 32V 9/16 BNT BOX 80A. PAL™ Fuses are available in current ratings up to 120 amperes, with either female or bolt-on terminals.
FUSE AUTO LINK 32V 9/16 BNT BOX 100A. PAL™ Fuses are available in current ratings up to 120 amperes, with either female or bolt-on terminals.

PAL4100

FUSE AUTO LINK 32V 9/16 BNT BOX 100A. PAL™ Fuses are available in current ratings up to 120 amperes, with either female or bolt-on terminals.
FUSE PAL AUTO LINK 32V MIN FEML BOX 30A. PAL™ Fuses are available in current ratings up to 120 amperes, with either female or bolt-on terminals.

PAL330

FUSE PAL AUTO LINK 32V MIN FEML BOX 30A. PAL™ Fuses are available in current ratings up to 120 amperes, with either female or bolt-on terminals.
FUSE PAL AUTO LINK 32V MIN FEML BOX 40A. PAL™ Fuses are available in current ratings up to 120 amperes, with either female or bolt-on terminals.

PAL340

FUSE PAL AUTO LINK 32V MIN FEML BOX 40A. PAL™ Fuses are available in current ratings up to 120 amperes, with either female or bolt-on terminals.
FUSE PAL AUTOLINK 32V 13/16 BNT BOX 100A. PAL™ Fuses are available in current ratings up to 120 amperes, with either female or bolt-on terminals.

PAL2100

FUSE PAL AUTOLINK 32V 13/16 BNT BOX 100A. PAL™ Fuses are available in current ratings up to 120 amperes, with either female or bolt-on terminals.
FUSE PAL AUTO LINK 32V FEM LOCK BOX 25A. PAL™ Fuses are available in current ratings up to 120 amperes, with either female or bolt-on terminals.

PAL525

FUSE PAL AUTO LINK 32V FEM LOCK BOX 25A. PAL™ Fuses are available in current ratings up to 120 amperes, with either female or bolt-on terminals.
FUSE PAL AUTO LINK 32V FEM LOCK BOX 30A. PAL™ Fuses are available in current ratings up to 120 amperes, with either female or bolt-on terminals.

PAL530

FUSE PAL AUTO LINK 32V FEM LOCK BOX 30A. PAL™ Fuses are available in current ratings up to 120 amperes, with either female or bolt-on terminals.

Frequently Asked Questions

What types of fuses does Littelfuse offer for industrial applications?

Littelfuse offers UL Class fuses, high-speed fuses, medium voltage fuses, 10 x 38 mm fuses, and solar fuses for industrial applications.

What are Littelfuse fuse blocks and holders designed for?

Littelfuse fuse blocks and holders are selected by OEMs and designers for their compact designs, indication features, and DIN-rail mounting flexibility.

What do POWR-BLOKS power distribution blocks provide?

POWR-BLOKS power distribution blocks offer a safe and convenient way to splice cables and manage power distribution requirements within panels and systems.

What is the purpose of Littelfuse feeder protection relays?

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

What is the Industrial Shock-Block® GFCI designed for?

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

How do high-resistance grounding systems benefit industrial applications?

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

What protection do Littelfuse voltage monitors offer?

Voltage monitors provide protection against both supply line and load side faults when the motor is running.

What functions do Littelfuse timers and flashers control?

Timers and flashers delay starting and stopping loads, and control cycling and sequencing of motors, pumps, compressors, heaters, and lighting.

How do Littelfuse arc-flash protection relays enhance safety?

Arc-flash relays detect a developing arc-flash incident and send a trip signal to interrupt power before significant damage occurs.

What types of motor protection does Littelfuse provide?

Littelfuse offers voltage monitors, current monitors, and Bluetooth enhanced overload relays for low and medium voltage motor protection applications.

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.