Littelfuse H345631A - ACS SHOCK-SAFE FUSEHLDR 31A. Designed to eliminate electrical shock as defined by IEC standards 60065 and 60127, these panel-mount fuses holders offer a wide variety of options. This allows for inventory reduction and versatility. Anti-tease feature eliminates circuit interruption when knob is accidentally depressed Five fuse holder types for maximum flexibility. Two knob styles— screwdriver slot and fingergrip. Drip proof option available on screwdriver slot knob style. Two terminal choices depending on application.
Littelfuse

H345631A

Alternate Item Number: 03450631H

UPC: 079458111781

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Overview

The Littelfuse H345631A ACS Shock-Safe Fuse Holder (SKU: H345631A) is engineered for superior electrical safety and operational reliability in industrial settings. Designed to meet stringent IEC standards 60065 and 60127, this panel-mount fuse holder effectively eliminates the risk of electrical shock. It features a 31A current rating, ensuring robust protection for demanding applications. A key innovation is the anti-tease mechanism, which prevents accidental circuit interruption when the knob is inadvertently depressed, maintaining system integrity. The H345631A offers significant versatility with five distinct fuse holder types, allowing for inventory reduction and adaptability across various equipment designs. Users can select from two knob styles: a screwdriver slot for precise control or a finger-grip for easier manual operation. Furthermore, the screwdriver slot knob style is available with a drip-proof option, providing enhanced protection in environments exposed to moisture or dust. Two terminal choices are offered to accommodate specific application wiring requirements. Manufactured in the US by Littelfuse, this fuse holder is an ideal component for power supplies, control panels, and machinery where safety compliance and dependable circuit protection are paramount. Its flexible mounting and configuration options make it a practical choice for diverse industrial needs.
  • Designed to IEC standards 60065 and 60127 for electrical shock elimination.
  • 31A current rating for robust industrial circuit protection.
  • Anti-tease feature prevents accidental circuit interruption.
  • Panel-mount design with multiple fuse holder types for versatility.
  • Available with screwdriver slot or fingergrip knob styles; drip-proof option.

Specifications

Brand Name
Littelfuse
Current Rating
31 A
Mounting Type
Panel Mount
Mounting Type
Panel-Mount
Series
ACS SHOCK-SAFE
Special Features
See in the web sheet
Standard
UL Listed CSA
Sub Brand
Shock-Safe
Type
Panel Fuseholder
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
Panel mount fuseholders are available for supplementary or Class CC branch circuit protection. Class CC fuses have a rejection feature on one end cap which mates with the rejection feature of Littelfuse Class CC fuse blocks and fuseholders to prevent the installation of fuses with lower voltage ratings or interrupting ratings. Watertight version must be front panel mounted.

571RCC

Panel mount fuseholders are available for supplementary or Class CC branch circuit protection. Class CC fuses have a rejection feature on one end cap which mates with the rejection feature of Littelfuse Class CC fuse blocks and fuseholders to prevent the installation of fuses with lower voltage ratings or interrupting ratings. Watertight version must be front panel mounted.
ACS PNL MNT HLDR W/LEADS 600V 30A HI-TEK

571007PLHT

ACS PNL MNT HLDR W/LEADS 600V 30A HI-TEK
Panel mount fuseholders are available for supplementary or Class CC branch circuit protection. Class CC fuses have a rejection feature on one end cap which mates with the rejection feature of Littelfuse Class CC fuse blocks and fuseholders to prevent the installation of fuses with lower voltage ratings or interrupting ratings. Watertight version must be front panel mounted.

571027

Panel mount fuseholders are available for supplementary or Class CC branch circuit protection. Class CC fuses have a rejection feature on one end cap which mates with the rejection feature of Littelfuse Class CC fuse blocks and fuseholders to prevent the installation of fuses with lower voltage ratings or interrupting ratings. Watertight version must be front panel mounted.
Panel mount fuseholders are available for supplementary or Class CC branch circuit protection. Class CC fuses have a rejection feature on one end cap which mates with the rejection feature of Littelfuse Class CC fuse blocks and fuseholders to prevent the installation of fuses with lower voltage ratings or interrupting ratings. Watertight version must be front panel mounted.

571RCCP

Panel mount fuseholders are available for supplementary or Class CC branch circuit protection. Class CC fuses have a rejection feature on one end cap which mates with the rejection feature of Littelfuse Class CC fuse blocks and fuseholders to prevent the installation of fuses with lower voltage ratings or interrupting ratings. Watertight version must be front panel mounted.
LPSM003ID is an indicating midget fuse dead front fuse holder with a maximum ampere rating of 30.

LPSM003ID

LPSM003ID is an indicating midget fuse dead front fuse holder with a maximum ampere rating of 30.
LPSM004 is a non-indicating midget fuse dead front fuse holder with a maximum ampere rating of 30.

LPSM004

LPSM004 is a non-indicating midget fuse dead front fuse holder with a maximum ampere rating of 30.
LPSC003 is a non-indicating Class CC dead front fuse holder with a maximum ampere rating of 30.

LPSC003

LPSC003 is a non-indicating Class CC dead front fuse holder with a maximum ampere rating of 30.
Panel mount fuseholders are available for supplementary or Class CC branch circuit protection. Class CC fuses have a rejection feature on one end cap which mates with the rejection feature of Littelfuse Class CC fuse blocks and fuseholders to prevent the installation of fuses with lower voltage ratings or interrupting ratings. Watertight version must be front panel mounted.

571007

Panel mount fuseholders are available for supplementary or Class CC branch circuit protection. Class CC fuses have a rejection feature on one end cap which mates with the rejection feature of Littelfuse Class CC fuse blocks and fuseholders to prevent the installation of fuses with lower voltage ratings or interrupting ratings. Watertight version must be front panel mounted.
LPSC003ID is an indicating Class CC dead front fuse holder with a maximum ampere rating of 30.

LPSC003ID

LPSC003ID is an indicating Class CC dead front fuse holder with a maximum ampere rating of 30.
INLINE/PANEL M HOLDER ATO 30A 10 WIRE. ATO Style - In-Line Terminal - Panel Mount Fuseholder.

155400

INLINE/PANEL M HOLDER ATO 30A 10 WIRE. ATO Style - In-Line Terminal - Panel Mount Fuseholder.
INLINE/PANEL MOUNT HOLDER ATO 30A. ATO Style - In-Line Terminal - Panel Mount Fuseholder.

155430A

INLINE/PANEL MOUNT HOLDER ATO 30A. ATO Style - In-Line Terminal - Panel Mount Fuseholder.
ACS SHOCK-SAFE FUSEHLDR 33A. Designed to eliminate electrical shock as defined by IEC standards 60065 and 60127, these panel-mount fuses holders offer a wide variety of options. This allows for inventory reduction and versatility. Anti-tease feature eliminates circuit interruption when knob is accidentally depressed Five fuse holder types for maximum flexibility. Two knob styles— screwdriver slot and fingergrip. Drip proof option available on screwdriver slot knob style. Two terminal choices depending on application.

H345633A

ACS SHOCK-SAFE FUSEHLDR 33A. Designed to eliminate electrical shock as defined by IEC standards 60065 and 60127, these panel-mount fuses holders offer a wide variety of options. This allows for inventory reduction and versatility. Anti-tease feature eliminates circuit interruption when knob is accidentally depressed Five fuse holder types for maximum flexibility. Two knob styles— screwdriver slot and fingergrip. Drip proof option available on screwdriver slot knob style. Two terminal choices depending on application.

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.