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Littelfuse 572027 - The 572 series panel mount fuse holders are designed to minimize installation time. The unique design incorporates a snap-mount feature that allows the holder to be installed without any tools or mounting hardware. Features and Benefits: Installs without any tools or fasteners. For Class CC and Midget fuses. Watertight Versions Available. Attached wire leads are possible for further assembly time reduction. Voltage Rating: 600 Volts. Ampere Rating: 30 Amperes for Class CC and Midget fuses.

Littelfuse 572027 The 572 series panel mount fuse holders are designed to minimize installation time. The…

Alternate Item Number: 05720027L

UPC: 079458118087


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Contact for Pricing

Minimum Qty: 50

Multiplier: 50

*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 572027 panel mount fuse holder is a tool-free, snap-mount solution engineered to minimize installation time in industrial electrical panels. Designed for Class CC and Midget fuses, this fuse holder features a unique snap-in mounting system that eliminates the need for tools, mounting hardware, or fasteners, reducing assembly time by up to 50% compared to traditional methods. The 572027 supports a voltage rating of 600 volts and a current rating of 30 amperes, making it suitable for branch circuit protection in demanding applications. Key specifications include a dielectric strength of 4000 volts minimum, ensuring reliable insulation performance. The fuse holder is constructed with tin-plated brass combination terminals that support both solder and quick-connect wiring methods, providing flexibility for various installation requirements. Molded black thermoplastic components ensure durability and resistance to environmental factors. Watertight versions of the 572027 are available for front-panel mounting in moisture-prone or harsh environments, offering IP-rated protection. For OEMs and panel builders seeking further efficiency gains, attached wire leads can be specified to streamline assembly processes. The fuse holder is compatible with Littelfuse Class CC fuse blocks and holders, featuring a rejection design that prevents installation of fuses with lower voltage or interrupting ratings, safeguarding system integrity. Typical applications include control panels, machinery, distribution systems, industrial automation, renewable energy systems, and commercial electrical installations where reliable circuit protection and rapid installation are critical. The 572027 is part of the 572 series, which is UL Recognized (File: E14721) and CSA Certified (File: LR7316), with a base temperature rating of 110°C. Dimensions for the 572027 are 0.86" x 0.92" x 0.890" (21.84 x 23.37 x 22.6 mm), with a mounting hole diameter of 0.172" (4.37 mm).
  • Tool-free snap-mount installation eliminates tools, hardware, and fasteners
  • Supports Class CC and Midget fuses with 600V voltage and 30A current ratings
  • Dielectric strength of 4000V minimum for reliable insulation performance
  • Tin-plated brass combination terminals for solder and quick-connect wiring
  • Watertight versions available for front-panel mounting in moisture-prone environments

Specifications

Amperage Rating
.400 Amps
Application
electronic equipment & appliances
Brand Name
Littelfuse
Connection Type
Wire Leads
Current Rating
30 A
Ip Rating
IP66/IP67
Mounting Type
Snap-Mount
Series
572
Special Features
High breaking capacity
Sub Brand
274 Series
Type
Plug In
Voltage Rating
600 V
The 572 series panel mount fuse holders are designed to minimize installation time. The unique design incorporates a snap-mount feature that allows the holder to be installed without any tools or mounting hardware. Features and Benefits: Installs without any tools or fasteners. For Class CC and Midget fuses. Watertight Versions Available. Attached wire leads are possible for further assembly time reduction. Voltage Rating: 600 Volts. Ampere Rating: 30 Amperes for Class CC and Midget fuses.

572008

The 572 series panel mount fuse holders are designed to minimize installation time. The unique design incorporates a snap-mount feature that allows the holder to be installed without any tools or mounting hardware. Features and Benefits: Installs without any tools or fasteners. For Class CC and Midget fuses. Watertight Versions Available. Attached wire leads are possible for further assembly time reduction. Voltage Rating: 600 Volts. Ampere Rating: 30 Amperes for Class CC and Midget fuses.
Miniature fuse STG - Time-Delay 350VAC 1A

STG1

Miniature fuse STG - Time-Delay 350VAC 1A
The 572 series panel mount fuse holders are designed to minimize installation time. The unique design incorporates a snap-mount feature that allows the holder to be installed without any tools or mounting hardware. Features and Benefits: Installs without any tools or fasteners. For Class CC and Midget fuses. Watertight Versions Available. Attached wire leads are possible for further assembly time reduction. Voltage Rating: 600 Volts. Ampere Rating: 30 Amperes for Class CC and Midget fuses.

572028

The 572 series panel mount fuse holders are designed to minimize installation time. The unique design incorporates a snap-mount feature that allows the holder to be installed without any tools or mounting hardware. Features and Benefits: Installs without any tools or fasteners. For Class CC and Midget fuses. Watertight Versions Available. Attached wire leads are possible for further assembly time reduction. Voltage Rating: 600 Volts. Ampere Rating: 30 Amperes for Class CC and Midget fuses.
The 572 series panel mount fuse holders are designed to minimize installation time. The unique design incorporates a snap-mount feature that allows the holder to be installed without any tools or mounting hardware. Features and Benefits: Installs without any tools or fasteners. For Class CC and Midget fuses. Watertight Versions Available. Attached wire leads are possible for further assembly time reduction. Voltage Rating: 600 Volts. Ampere Rating: 30 Amperes for Class CC and Midget fuses.

572007

The 572 series panel mount fuse holders are designed to minimize installation time. The unique design incorporates a snap-mount feature that allows the holder to be installed without any tools or mounting hardware. Features and Benefits: Installs without any tools or fasteners. For Class CC and Midget fuses. Watertight Versions Available. Attached wire leads are possible for further assembly time reduction. Voltage Rating: 600 Volts. Ampere Rating: 30 Amperes for Class CC and Midget fuses.
VERY FAST-ACTING PICO II LEADS 3A. The PICO® II Very Fast-Acting Fuse is designed to meet an extensive array of performance characteristics in a space-saving subminiature package. Features: Very fast-acting. Small size. Wide current rating range (62mA- 15A). RoHS compliant. Halogen-free available. Wide operating temperature range. Low temperature rerating.

251003L

VERY FAST-ACTING PICO II LEADS 3A. The PICO® II Very Fast-Acting Fuse is designed to meet an extensive array of performance characteristics in a space-saving subminiature package. Features: Very fast-acting. Small size. Wide current rating range (62mA- 15A). RoHS compliant. Halogen-free available. Wide operating temperature range. Low temperature rerating.
SLO-BLO GLASS AXIAL V-PACK 2A. The 3AG Slo-Blo® fuse solves a broad range of application requirements while offering reliable performance and costeffective circuit protection. Features: 313 and 315 series fuses have time-delayed in the overload range, which provides superior protection inductive loads such as motors, transformers, and solenoids. 3AG 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 3AG fuse design.

0313002.VXIDP

SLO-BLO GLASS AXIAL V-PACK 2A. The 3AG Slo-Blo® fuse solves a broad range of application requirements while offering reliable performance and costeffective circuit protection. Features: 313 and 315 series fuses have time-delayed in the overload range, which provides superior protection inductive loads such as motors, transformers, and solenoids. 3AG 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 3AG fuse design.
VERY FAST-ACTING PICO II LEADS 3.5A. The PICO® II Very Fast-Acting Fuse is designed to meet an extensive array of performance characteristics in a space-saving subminiature package. Features: Very fast-acting. Small size. Wide current rating range (62mA- 15A). RoHS compliant. Halogen-free available. Wide operating temperature range. Low temperature rerating.

25103.5L

VERY FAST-ACTING PICO II LEADS 3.5A. The PICO® II Very Fast-Acting Fuse is designed to meet an extensive array of performance characteristics in a space-saving subminiature package. Features: Very fast-acting. Small size. Wide current rating range (62mA- 15A). RoHS compliant. Halogen-free available. Wide operating temperature range. Low temperature rerating.
VERY FAST-ACTING PICO II LEADS 7A. The PICO® II Very Fast-Acting Fuse is designed to meet an extensive array of performance characteristics in a space-saving subminiature package. Features: Very fast-acting. Small size. Wide current rating range (62mA- 15A). RoHS compliant. Halogen-free available. Wide operating temperature range. Low temperature rerating.

251007L

VERY FAST-ACTING PICO II LEADS 7A. The PICO® II Very Fast-Acting Fuse is designed to meet an extensive array of performance characteristics in a space-saving subminiature package. Features: Very fast-acting. Small size. Wide current rating range (62mA- 15A). RoHS compliant. Halogen-free available. Wide operating temperature range. Low temperature rerating.

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 high-speed fuses used for?

High-speed fuses protect critical power semiconductor devices against short circuits in power conversion applications like inverters and variable-speed drives.

What do Littelfuse medium voltage fuses protect?

Medium voltage fuses protect transformers, potential transformers, feeders, and motor circuits.

What are the voltage and amperage ranges for 10 x 38 mm fuses?

10 x 38 mm fuses are available with ratings from 125 to 1000 volts and 1/10 to 30 amperes.

What is the maximum voltage for Littelfuse solar fuses and holders?

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

What conditions do Littelfuse feeder protection relays guard against?

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?

It is designed for people protection in industrial facilities and meets UL Standard 943C Class C and Class D.

How do resistance grounding systems benefit industrial facilities?

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

What do Littelfuse voltage monitors protect?

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

What is the function of Littelfuse timers and flashers?

Timers and flashers are used to delay starting and stopping loads, and for cycling and sequencing of motors, pumps, compressors, heaters, and lighting.

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.