Littelfuse 0229.375MXSP - 0229 SLO-BLO GLS INDICATOR M-PACK .375A. The 2AG Slo-Blo® Fuses are available in cartridge form or with axial leads. 2AG Fuses providing the same performance characteristics as their 3AG counterpart, while occupying one-third the space. Features: 229 series 2AG fuses have time-delay of 313 series 3AG fuses in less than one-third of the space. They provide superior protection for inductive loads such as motors, transformers, and solenoids. Use whenever time-delay fuses are indicated. An indicating version is also available. 2AG indicating fuses instantly identify themselves upon opening by showing a discoloration of their glass bodies. Guesswork and time-consuming circuit testing is eliminated. This unique design offers the same quality performance characteristics as the standard 2AG fuse design.
Littelfuse

0229.375MXSP

UPC: 079458914764

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Overview

The Littelfuse 0229.375MXSP is a high-performance 2AG Slo-Blo® Indicating Fuse designed to provide superior circuit protection for demanding inductive loads in compact industrial and electrical applications. Engineered by Littelfuse, a globally recognized leader in circuit protection, this fuse offers the same robust time-delay characteristics as its larger 3AG counterparts but within a significantly smaller footprint, occupying only one-third the space. This space-saving design is crucial for modern equipment where panel real estate is at a premium. This specific model, SKU 0229.375MXSP, features a precise 0.375 Amp current rating and is specifically designed for time-delay applications. Time-delay fuses are essential for protecting inductive components such as motors, transformers, and solenoids. These components often experience temporary inrush currents during startup that can exceed their normal operating current. A standard fast-acting fuse would prematurely open under these conditions, leading to unnecessary downtime and potential damage. The Slo-Blo® design of the 0229 series allows for these brief current surges while still providing rapid protection against sustained overcurrents and short circuits, thereby safeguarding the connected equipment and preventing system failures. A standout feature of the 0229.375MXSP is its indicating capability. The glass body of this fuse is designed to visibly change color upon activation, instantly signaling that the fuse has blown. This eliminates the need for time-consuming and often frustrating circuit testing to identify a faulty fuse. Technicians and engineers can quickly pinpoint the source of a circuit interruption, significantly reducing diagnostic time and minimizing operational downtime. This visual indication is invaluable in complex electrical systems where troubleshooting can be challenging. The 2AG fuse series, to which the 0229.375MXSP belongs, offers a compelling alternative to the traditional 3AG fuses. They deliver equivalent performance in a much more compact package, making them ideal for integration into smaller control panels, power supplies, and electronic devices. The Littelfuse 229 series is engineered to meet the rigorous demands of industrial environments, ensuring reliability and safety. Key features and benefits of the Littelfuse 0229.375MXSP include: * **Space-Saving 2AG Form Factor:** Delivers 3AG fuse performance in less than one-third the space, ideal for compact designs. * **Time-Delay Protection:** Specifically engineered to handle inrush currents in inductive loads like motors, transformers, and solenoids, preventing nuisance tripping. * **Indicating Functionality:** Features a glass body that discolors upon blowing, providing instant visual confirmation of fuse activation and simplifying troubleshooting. * **Superior Protection for Inductive Loads:** Offers enhanced safety and reliability for sensitive electronic components prone to current surges. * **Trusted Littelfuse Quality:** Manufactured by a leading global provider of circuit protection solutions, ensuring high quality and dependable performance. Whether you are designing new equipment or upgrading existing systems, the Littelfuse 0229.375MXSP Slo-Blo® Indicating Fuse provides an efficient, reliable, and cost-effective solution for critical circuit protection needs. Its combination of advanced time-delay technology, visual indication, and compact size makes it an indispensable component for engineers and maintenance professionals across various industries.
  • Littelfuse 0229 2AG Slo-Blo® Indicating Fuse with 0.375A rating.
  • Time-delay fuse designed for inductive loads like motors, transformers, and solenoids.
  • Compact 2AG form factor offers 3AG performance in one-third the space.
  • Indicating glass body visually signals fuse activation, simplifying troubleshooting.
  • Provides superior protection against overcurrents and short circuits in demanding applications.

Specifications

Application
electronic equipment & appliances
Brand Name
Littelfuse
Color
Clear/Glass
Current Rating
0.375 A
Material
Glass
Series
229 series
Size
2AG
Special Features
Slo-Blo
Standard
UL Standard 248-14
Sub Brand
229 Series
Type
2AG Slo-Blo
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 Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

E1062696

Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20
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
9F61 Size B Clips 1.6in

9F61BWW460

9F61 Size B Clips 1.6in
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.

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.