Littelfuse CBO050 - CBO fast-acting, CCK and CCL dual-element time-delay fuses are recommended for fork-lift trucks and other similar battery-operated equipment.
Littelfuse

CBO050

Alternate Item Number: 0CBO050.V

UPC: 079458008302


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BrochureTechnical BulletinSpecification Sheet

Contact for Pricing

Overview

The Littelfuse CBO050, part of the ACK, ACL, ALS, CNL, and CNN series, is a specialized dual-element time-delay fuse engineered for robust circuit protection in battery-operated industrial equipment. This fuse is specifically recommended for demanding applications like forklift trucks, battery hand trucks, and motorized work platforms, ensuring reliable operation in heavy-duty DC environments. The dual-element design combines fast-acting response to short circuits with time-delay characteristics, effectively managing temporary overloads without nuisance tripping. This design minimizes downtime and enhances operational efficiency for critical machinery. The CBO050 series offers versatile AC/DC ratings across various models. The ACK series provides 125VAC/DC at 1-400A with a 10kA I.R. AC/DC. The ACL series is rated for 125VAC/DC from 30-120A with a high 100kA I.R. AC and 10kA I.R. DC. The ALS series covers 125VAC/DC from 100-500A with 10kA I.R. AC/DC. For lower voltage applications, the CNL series is available at 80V AC/DC with ratings from 35-500A and 2.5kA I.R. AC/DC. The CNN series offers 130V AC (10-800A), 75V DC (10-300A), and 48V DC (301-800A), all with a 2.5kA I.R. AC/DC rating. These fuses feature stud mounting for secure installation and embossed catalog numbers for easy identification. The CNL and CNN series include a visual indication of operation, allowing for quick maintenance checks. All Littelfuse CBO series fuses are UL recognized components (File E60314), guaranteeing adherence to stringent safety standards. Trust Littelfuse for dependable circuit protection that maintains the operational integrity and safety of your industrial battery-powered machinery. Proudly distributed by Gross Automation.
  • Dual-element time-delay fuse for battery-operated equipment
  • Recommended for forklift trucks, hand trucks, and motorized platforms
  • Fast-acting response to short circuits with time-delay for overloads
  • Available in various AC/DC voltage and ampere ratings (e.g., 125VAC/DC, 10-800A)
  • UL recognized components (File E60314) for safety assurance

Specifications

Amperage Rating
50 Amps
Application
Forklift
Brand Name
Littelfuse
Current Rating
50 A
Mounting Type
Stud Mounting
Series
CBO
Sub Brand
CBO Series
Voltage Rating
32VDC Volts
Voltage Rating
75 V DC
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

What types of fuses does Littelfuse offer?

Littelfuse offers UL Class, high-speed, medium voltage, 10x38mm, and solar fuses, along with fuse blocks and holders.

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

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

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.

What safety features do POWR-BLOKS power distribution blocks have?

POWR-BLOKS power distribution blocks feature touch-safe blocks and available covers to reduce the risk of accidental contact.

What is the purpose of Littelfuse arc-flash protection relays?

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

What is the Industrial Shock-Block GFCI designed for?

The Industrial Shock-Block GFCI is a special-purpose GFCI designed for people protection in industrial facilities, meeting UL Standard 943C Class C and D.

How can I get technical support for Littelfuse products?

Technical support is available via phone at +1-800-TEC-FUSE (US & Canada) or email at [email protected].

Can I check product availability and pricing online?

Yes, the Littelfuse Business Center (LittelfuseBusinessCenter.com) allows access to product availability, pricing, order placement, and status.

What is the function of trailing-cable protection relays?

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

What kind of training does Littelfuse University offer?

Littelfuse University offers in-depth training courses and quick references on products, programs, and tools, ranging from 3 to 20 minutes, basic to expert.

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.