Littelfuse H326.200P - SLO-BLO CERAMIC FUSE H-PACK .200A. The 3AB Slo-Blo® Fuse with ceramic body construction permits higher interrupting ratings and voltage ratings. Ideal for applications where high current loads are expected. Features: In accordance with UL Standard 248-14. Available in cartridge and axial lead format and with various forming dimensions. RoHS compliant and Lead-free.
Littelfuse

H326.200P

Alternate Item Number: 0326.200HXP

UPC: 079458924954


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Overview

The Littelfuse H326.200P Slo-Blo Ceramic Fuse is a high-performance, time-delay fuse engineered for industrial applications where reliable overcurrent protection is critical. Designed with a robust ceramic body, this fuse delivers superior interrupting ratings and voltage handling capabilities, ensuring dependable performance in high-current environments. Part of Littelfuse’s renowned Slo-Blo® series, the H326.200P is built to withstand transient surges while providing sustained protection against sustained overloads—a key requirement in demanding industrial, automotive, and power distribution systems. Engineered to meet UL Standard 248-14, the H326.200P Slo-Blo Ceramic Fuse offers compliance with stringent safety and performance benchmarks. This certification is essential for engineers and technicians who require predictable, repeatable protection in mission-critical systems. The ceramic construction not only enhances thermal stability and mechanical strength but also enables operation at higher temperatures and voltages compared to standard glass-body fuses. Additionally, the fuse is fully RoHS-compliant and lead-free, aligning with global environmental regulations and supporting sustainable design practices in modern electronics and industrial equipment. The H326.200P is available in both cartridge and axial lead configurations, providing installation flexibility across a wide range of applications. Cartridge-style fuses are ideal for enclosed fuse blocks and panel-mounted installations, while axial leads offer ease of integration into PCB assemblies or chassis wiring. This versatility makes the fuse suitable for use in power supplies, motor controllers, transformers, and industrial control panels—where consistent and predictable response to overcurrent events is essential. Littelfuse, a global leader in circuit protection solutions, has built a reputation for innovation and reliability since its founding in 1927. The Slo-Blo® series, including the H326.200P, is widely trusted by engineers for applications requiring time-delay characteristics to accommodate startup inrush currents while still providing fast response to short circuits. Whether deployed in renewable energy systems, telecommunications infrastructure, or heavy machinery, this fuse delivers the durability and precision needed to protect sensitive components and maintain system uptime. Professionals select the H326.200P for its balance of performance, compliance, and environmental responsibility. It is particularly well-suited for environments with elevated ambient temperatures or where voltage spikes are common. Installation is straightforward, with clear marking for current rating and voltage rating, and the fuse’s compact design allows for efficient use of panel space. With Littelfuse’s extensive technical support and global distribution network, engineers can confidently specify the H326.200P in new designs or as a replacement in legacy systems, ensuring long-term reliability and compliance with evolving industry standards.
  • Ceramic body construction for higher interrupting and voltage ratings
  • UL Standard 248-14 certified for safety and performance compliance
  • RoHS-compliant and lead-free for environmental sustainability
  • Available in cartridge and axial lead formats for installation flexibility
  • Time-delay design handles inrush currents while protecting against short circuits

Specifications

Amperage Rating
.200 Amps
Application
electronic equipment & appliances
Brand Name
Littelfuse
Connection Type
Cartridge, Axial Lead
Current Rating
0.2 A
Material
Ceramic
Series
SLO-BLO
Series
3AB Slo-Blo
Special Features
Slo-Blo
Standard
UL Standard 248-14
Sub Brand
326 Series
Type
3AB Slo-Blo
Package Dimensions (L x W x H)
1.25 IN x 0.25 IN x 0.25 IN
Package Dimensions (L x W x H)
3.175 cm x 6.35 mm x 6.35 mm
Package Weight (Imperial)
0.150 L
Package Weight (Metric)
0.068 kg
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 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.