Littelfuse 354803-GY - 3AG MTG 3 POLE. A low profile fuse block featuring individual barriers which reinforce the fuse clips while providing greater protection against clip damage and electrical shock. The unique design permits self-alignment of clips to fuse cap. This, plus a one-piece clip/terminal assures low contact resistance. Higher current ratings have been attained using spring brass clips. With the exception of the two-pole unit, multiple pole units may be broken apart to obtain desired number of poles.
Littelfuse

354803-GY

Alternate Item Number: 03540803ZXGY

UPC: 079458186130

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Overview

The Littelfuse 3AG MTG 3 Pole Fuse Block, SKU 354803-GY, represents a robust and intelligently designed solution for critical electrical protection in demanding industrial environments. Engineered by Littelfuse, a globally recognized leader in circuit protection, this fuse block prioritizes safety, reliability, and ease of installation. Its low-profile form factor makes it an ideal choice for applications where space is at a premium, without compromising on performance or protective capabilities. A standout feature of the 3AG MTG series is its innovative individual barrier design. These barriers serve a dual purpose: they significantly reinforce the fuse clips, enhancing their structural integrity and longevity, and they provide a crucial layer of protection against accidental electrical shock. This attention to safety is paramount in industrial settings where personnel safety is a top priority. Furthermore, the unique self-aligning clip mechanism ensures a precise and consistent connection with the fuse cap. This intelligent design minimizes the potential for misalignment, which can lead to increased contact resistance and reduced operational efficiency. The commitment to low contact resistance is further underscored by the use of spring brass clips. This material choice, combined with the self-aligning design, results in a secure and efficient electrical path, crucial for maintaining stable performance under load. The use of spring brass also allows for higher current ratings compared to standard materials, expanding the application range of this versatile fuse block. For installations requiring a specific number of fuse positions, the multiple pole units offer exceptional flexibility. With the exception of the two-pole configuration, these units can be conveniently broken apart, allowing users to create custom multi-pole blocks tailored to their exact circuit protection needs. This modularity simplifies inventory management and installation planning. Industries that benefit from the Littelfuse 3AG MTG 3 Pole Fuse Block include manufacturing, automation, power distribution, and control systems. It is commonly specified for protecting sensitive electronic components, motors, control circuits, and power supplies where reliable and safe fuse protection is non-negotiable. The robust construction and thoughtful design features ensure long-term operational integrity, reducing downtime and maintenance costs. When selecting fuse blocks for industrial applications, professionals trust Littelfuse for their unwavering commitment to quality and innovation. The 3AG MTG series, with its emphasis on enhanced protection, low contact resistance, and installation flexibility, stands as a testament to this reputation. Its ability to withstand the rigors of industrial use, coupled with its advanced safety features, makes it an indispensable component in safeguarding electrical systems.
  • Low profile design for space-constrained applications.
  • Individual barriers reinforce fuse clips and enhance shock protection.
  • Unique self-aligning clips ensure optimal contact with fuse caps.
  • Spring brass clips achieve higher current ratings and low contact resistance.
  • Multiple pole units can be broken apart for custom pole configurations.

Specifications

Application
Curcuit Board
Brand Name
Littelfuse
Color
Gray
Material
Poly
Poles
3
Series
3AG MTG
Standard
RoHS
Sub Brand
354 OMNI-BLOK Series
ACS OMNI-BLOK MTG 11 POLE. A low profile fuse block featuring individual barriers which reinforce the fuse clips while providing greater protection against clip damage and electrical shock. The unique design permits self-alignment of clips to fuse cap. This, plus a one-piece clip/terminal assures low contact resistance. Higher current ratings have been attained using spring brass clips. With the exception of the two-pole unit, multiple pole units may be broken apart to obtain desired number of poles.

354911-GY

ACS OMNI-BLOK MTG 11 POLE. A low profile fuse block featuring individual barriers which reinforce the fuse clips while providing greater protection against clip damage and electrical shock. The unique design permits self-alignment of clips to fuse cap. This, plus a one-piece clip/terminal assures low contact resistance. Higher current ratings have been attained using spring brass clips. With the exception of the two-pole unit, multiple pole units may be broken apart to obtain desired number of poles.
ACS 3AG MTG 8 POLE NEMA STYLE 3/16. A low profile fuse block featuring individual barriers which reinforce the fuse clips while providing greater protection against clip damage and electrical shock. The unique design permits self-alignment of clips to fuse cap. This, plus a one-piece clip/terminal assures low contact resistance. Higher current ratings have been attained using spring brass clips. With the exception of the two-pole unit, multiple pole units may be broken apart to obtain desired number of poles.

354608-GY

ACS 3AG MTG 8 POLE NEMA STYLE 3/16. A low profile fuse block featuring individual barriers which reinforce the fuse clips while providing greater protection against clip damage and electrical shock. The unique design permits self-alignment of clips to fuse cap. This, plus a one-piece clip/terminal assures low contact resistance. Higher current ratings have been attained using spring brass clips. With the exception of the two-pole unit, multiple pole units may be broken apart to obtain desired number of poles.
ACS 3AG MTG 9 POLE NEMA STYLE 3/16. A low profile fuse block featuring individual barriers which reinforce the fuse clips while providing greater protection against clip damage and electrical shock. The unique design permits self-alignment of clips to fuse cap. This, plus a one-piece clip/terminal assures low contact resistance. Higher current ratings have been attained using spring brass clips. With the exception of the two-pole unit, multiple pole units may be broken apart to obtain desired number of poles.

354609-GY

ACS 3AG MTG 9 POLE NEMA STYLE 3/16. A low profile fuse block featuring individual barriers which reinforce the fuse clips while providing greater protection against clip damage and electrical shock. The unique design permits self-alignment of clips to fuse cap. This, plus a one-piece clip/terminal assures low contact resistance. Higher current ratings have been attained using spring brass clips. With the exception of the two-pole unit, multiple pole units may be broken apart to obtain desired number of poles.
3AG MTG 4 POLE. A low profile fuse block featuring individual barriers which reinforce the fuse clips while providing greater protection against clip damage and electrical shock. The unique design permits self-alignment of clips to fuse cap. This, plus a one-piece clip/terminal assures low contact resistance. Higher current ratings have been attained using spring brass clips. With the exception of the two-pole unit, multiple pole units may be broken apart to obtain desired number of poles.

354804-GY

3AG MTG 4 POLE. A low profile fuse block featuring individual barriers which reinforce the fuse clips while providing greater protection against clip damage and electrical shock. The unique design permits self-alignment of clips to fuse cap. This, plus a one-piece clip/terminal assures low contact resistance. Higher current ratings have been attained using spring brass clips. With the exception of the two-pole unit, multiple pole units may be broken apart to obtain desired number of poles.
3AG OMNI-BLOK SLDR TERM 4 POLE MTG. A low profile fuse block featuring individual barriers which reinforce the fuse clips while providing greater protection against clip damage and electrical shock. The unique design permits self-alignment of clips to fuse cap. This, plus a one-piece clip/terminal assures low contact resistance. Higher current ratings have been attained using spring brass clips. With the exception of the two-pole unit, multiple pole units may be broken apart to obtain desired number of poles.

354004-GY

3AG OMNI-BLOK SLDR TERM 4 POLE MTG. A low profile fuse block featuring individual barriers which reinforce the fuse clips while providing greater protection against clip damage and electrical shock. The unique design permits self-alignment of clips to fuse cap. This, plus a one-piece clip/terminal assures low contact resistance. Higher current ratings have been attained using spring brass clips. With the exception of the two-pole unit, multiple pole units may be broken apart to obtain desired number of poles.
POWR-BLOK covers provide protection against accidental shorting between poles caused by loose wires, tools, or other conductive material. They also protect personnel from accidentally contacting energized connectors. These clear plastic covers are available for most blocks. To order protective covers, match the number of poles for the block to the cover.

LPBC3-1

POWR-BLOK covers provide protection against accidental shorting between poles caused by loose wires, tools, or other conductive material. They also protect personnel from accidentally contacting energized connectors. These clear plastic covers are available for most blocks. To order protective covers, match the number of poles for the block to the cover.
POWR-BLOK covers provide protection against accidental shorting between poles caused by loose wires, tools, or other conductive material. They also protect personnel from accidentally contacting energized connectors. To order protective covers, match the number of poles for the block to the cover.

LCH132-3

POWR-BLOK covers provide protection against accidental shorting between poles caused by loose wires, tools, or other conductive material. They also protect personnel from accidentally contacting energized connectors. To order protective covers, match the number of poles for the block to the cover.
POWR-BLOK covers provide protection against accidental shorting between poles caused by loose wires, tools, or other conductive material. They also protect personnel from accidentally contacting energized connectors. These clear plastic covers are available for most blocks. To order protective covers, match the number of poles for the block to the cover.

LPBC3-2

POWR-BLOK covers provide protection against accidental shorting between poles caused by loose wires, tools, or other conductive material. They also protect personnel from accidentally contacting energized connectors. These clear plastic covers are available for most blocks. To order protective covers, match the number of poles for the block to the cover.
POWR-BLOK covers provide protection against accidental shorting between poles caused by loose wires, tools, or other conductive material. They also protect personnel from accidentally contacting energized connectors. These clear plastic covers are available for most blocks. To order protective covers, match the number of poles for the block to the cover.

LPBC2-3

POWR-BLOK covers provide protection against accidental shorting between poles caused by loose wires, tools, or other conductive material. They also protect personnel from accidentally contacting energized connectors. These clear plastic covers are available for most blocks. To order protective covers, match the number of poles for the block to the cover.
600V CLASS R BLOCK 30A 3P P-PLATE TERM

LFR60030-3P

600V CLASS R BLOCK 30A 3P P-PLATE TERM
POWR-BLOK covers provide protection against accidental shorting between poles caused by loose wires, tools, or other conductive material. They also protect personnel from accidentally contacting energized connectors. These clear plastic covers are available for most blocks. To order protective covers, match the number of poles for the block to the cover.

LPBC3-3

POWR-BLOK covers provide protection against accidental shorting between poles caused by loose wires, tools, or other conductive material. They also protect personnel from accidentally contacting energized connectors. These clear plastic covers are available for most blocks. To order protective covers, match the number of poles for the block to the cover.
POWR-BLOK covers provide protection against accidental shorting between poles caused by loose wires, tools, or other conductive material. They also protect personnel from accidentally contacting energized connectors. These clear plastic covers are available for most blocks. To order protective covers, match the number of poles for the block to the cover.

LPBC0-3

POWR-BLOK covers provide protection against accidental shorting between poles caused by loose wires, tools, or other conductive material. They also protect personnel from accidentally contacting energized connectors. These clear plastic covers are available for most blocks. To order protective covers, match the number of poles for the block to the cover.

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.