Littelfuse BLS.800 - BLS.800 is a special-sized Midget fuse at 1 ⅜” long with an ampere rating of 0.8 and 600 V ac.
Littelfuse

BLS.800

Alternate Item Number: 0BLS.800T

UPC: 079458000771


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Overview

The Littelfuse BLS.800 (SKU: BLS.800) is a specialized Midget fuse engineered for precise circuit protection in industrial and commercial applications. This fuse features a compact 1 ⅜” length and a 0.8A current rating, making it suitable for space-constrained environments requiring accurate overcurrent protection. With a robust 600V AC voltage rating, the BLS.800 is compatible with higher voltage systems and offers dependable protection for sensitive electronic components. It is ideal for use in control panels, power supplies, and industrial machinery where precise current limiting is essential. Manufactured in the USA by Littelfuse, a recognized leader in circuit protection, the BLS.800 meets stringent industry standards for safety and performance. Its specific dimensions and electrical ratings make it a versatile solution for engineers and technicians seeking a compact, reliable fuse for critical low-current applications.
  • Special-sized Midget fuse with 1 ⅜” length
  • 0.8 Ampere current rating
  • 600 Volt AC voltage rating
  • Designed for precise circuit protection
  • Manufactured in the USA by Littelfuse

Specifications

Amperage Rating
.800 Amp
Amperage Rating
0.8 A
Application
low amp - space saving
Brand Name
Littelfuse
Current Rating
0.8 A
Interrupt Rating
10 kA
Series
Midget
Size
1 ⅜"
Special Features
RoHS
Sub Brand
BLS
Type
Fast-Acting Fuse
Voltage Rating
600 VAC
Package Weight (Imperial)
0.011 L
Package Weight (Metric)
5.200 g
Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount

GPM-SRR90

Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount
Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20

C331156

Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20
Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8

1SCM8

Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8
Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

E1062696

Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20
POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.

LCC5

POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.
9F61 Size B Clips 1.6in

9F61BWW460

9F61 Size B Clips 1.6in

Frequently Asked Questions

How can I contact Littelfuse for technical support?

Technical support is available via phone at +1-800-TEC-FUSE (800-832-3873) or by email at [email protected].

What are the voltage and current ratings for 10x38mm fuses?

Littelfuse 10x38mm fuses are available with ratings from 125 to 1000 volts and 1/10 to 30 amperes.

Are Littelfuse Pre-Engineered Panels UL Listed?

Yes, Littelfuse Pre-Engineered electrical switch panel solutions are UL Listed and designed to meet NEC® coordination requirements.

Which UL standard does the Industrial Shock-Block® GFCI meet?

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

Where can I find detailed Littelfuse product literature?

Detailed product literature and technical resources are available at Littelfuse.com/technical-resources and the Littelfuse Digital Asset portal.

What is the maximum voltage for Littelfuse solar fuses?

Littelfuse offers solar fuses and holders up to 1500 Vdc for both high-current and low-current applications.

How do Littelfuse arc-flash protection relays function?

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

What are the benefits of high-resistance grounding?

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

How do ground-fault protection relays detect insulation breakdown?

Sensitive ground-fault relays with advanced filtering quickly detect insulation resistance breakdown caused by moisture, vibration, chemicals, or dust.

What do trailing-cable protection relays monitor?

Trailing-cable protection relays continuously monitor the integrity of the ground conductor in portable cables to protect equipment from hazardous voltages.

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.