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Littelfuse 1PH3P18MM - 1PH3P18MM is a compact-sized POWR Busbar system that provides safe distribution of electrical power to multiple dead front fuse holders and measures 60 mm in length, which can be cut down to an optimal size. See datasheet for more detailed specifications.

Littelfuse 1PH3P18MM 1PH3P18MM is a compact-sized POWR Busbar system that provides safe distribution of…

Alternate Item Number: 1PH3P18MM

UPC: 079458176247

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Minimum Qty: 20

Multiplier: 20

*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 1PH3P18MM is a compact POWR Busbar system designed for safe electrical power distribution to multiple dead front fuse holders. This UL 508 Listed busbar system significantly reduces wire terminations and the need for power distribution blocks, streamlining panel design and enhancing safety. Its 60 mm length is cuttable for precise application customization, offering installation flexibility. The busbar features a touch-safe design for technician safety during fuse replacement and is mountable on 35 mm DIN rail. Key specifications include a voltage rating of 600 V ac/dc and 1000 V dc (for 1-phase 18 mm² when center-fed). The 18 mm² cross-sectional area supports current ratings of 80 A when end-fed and 160 A when center-fed. The Short Circuit Current Rating (SCCR) is 10 kA, or 100 kA when protected upstream by Class J fuses (175 A max for 18 mm²). Constructed from copper for excellent conductivity, the 1PH3P18MM is RoHS compliant and lead-free. This busbar system is ideal for electrical power distribution systems, motor control centers, power distribution panels, renewable energy systems, and control cabinets. It offers multiple pole configurations and amperage ratings, with individual power feed lugs available for termination at any point along the busbar. The POWR busbar series allows for future expansion and customization for various applications.
  • Compact POWR Busbar system for safe power distribution
  • UL 508 Listed
  • 60 mm cuttable length for customization
  • Touch-safe design for enhanced safety
  • 35 mm DIN rail mountable
  • 35mm DIN-rail mountable for easy installation
  • RoHS-compliant and lead-free construction
  • SCCR rated 10kA (100kA with Class J fuse protection)
  • Available in 1-phase and 3-phase configurations

Specifications

Application
Industrial
Brand Name
Littelfuse
Current Rating
80 A (end-fed) / 160 A (center-fed) for 18mm²; 100 A (end-fed) / 200 A (center-fed) for 25mm²
Material
Copper
Mounting Type
35mm DIN-rail
Poles
1-phase / 3-phase
Series
POWR Busbar
Size
60 mm
Special Features
RoHS compliant
Sub Brand
POWR Busbar Series
Type
Bus Bar 1 Phase
Voltage Rating
600 V / 1000 V
1PH6P18MM is a compact-sized POWR Busbar system that provides safe distribution of electrical power to multiple dead front fuse holders and measures 106 mm in length, which can be cut down to an optimal size. See datasheet for more detailed specifications.

1PH6P18MM

1PH6P18MM is a compact-sized POWR Busbar system that provides safe distribution of electrical power to multiple dead front fuse holders and measures 106 mm in length, which can be cut down to an optimal size. See datasheet for more detailed specifications.
Fuse Block 600VAC 600VDC Class CC 30A 1-Pole Copper Box

30351R

Fuse Block 600VAC 600VDC Class CC 30A 1-Pole Copper Box
DR4/8 SF DIN2

1SNA110368R1200

DR4/8 SF DIN2
The new Littelfuse Class H blocks offer many advantages over previous generations that are noted in the features and benefits section. Class H and Class R fuse blocks are dimensionally the same, but Class R blocks incorporate a rejection feature, which only allows Class R fuses to be inserted.

LFH25030-2P

The new Littelfuse Class H blocks offer many advantages over previous generations that are noted in the features and benefits section. Class H and Class R fuse blocks are dimensionally the same, but Class R blocks incorporate a rejection feature, which only allows Class R fuses to be inserted.
3AG MTG 2 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.

354802-GY

3AG MTG 2 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.
The new Littelfuse Class H and R blocks offer many advantages over previous generations that are noted in the features and benefits section. Class H and Class R fuse blocks are dimensionally the same, but Class R blocks incorporate a rejection feature, which only allows Class R fuses to be inserted.

LFR60030-3CID

The new Littelfuse Class H and R blocks offer many advantages over previous generations that are noted in the features and benefits section. Class H and Class R fuse blocks are dimensionally the same, but Class R blocks incorporate a rejection feature, which only allows Class R fuses to be inserted.
3AG OMNI-BLOK SOLDER TERMINAL 1 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.

354001-GY

3AG OMNI-BLOK SOLDER TERMINAL 1 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.
The new Littelfuse Class H blocks offer many advantages over previous generations that are noted in the features and benefits section. Class H and Class R fuse blocks are dimensionally the same, but Class R blocks incorporate a rejection feature, which only allows Class R fuses to be inserted.

LFH60030-3SID

The new Littelfuse Class H blocks offer many advantages over previous generations that are noted in the features and benefits section. Class H and Class R fuse blocks are dimensionally the same, but Class R blocks incorporate a rejection feature, which only allows Class R fuses to be inserted.

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 is the voltage range for Littelfuse solar fuses?

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

What protection do feeder protection relays offer?

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.

What do Littelfuse voltage monitors protect against?

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

How do arc-flash protection relays enhance safety?

These relays detect developing arc-flash incidents and send a trip signal to interrupt power before significant damage occurs.

What types of protection do Littelfuse motor protection relays offer?

They offer voltage monitors, current monitors, and Bluetooth-enhanced overload relays for low and medium voltage applications.

What is the purpose of Littelfuse Techline support?

Techline experts answer questions about product cross-references, general technical information, engineering drawings, and application assistance.

What applications are 10 x 38 mm fuses suitable for?

These fuses provide compact supplemental protection for a wide variety of applications, available in time-delay or fast-acting versions.

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.