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Overview
- 3-pole, 100A-rated Class T fuse block for 300VAC/300VDC applications
- Phenolic insulator with dielectric strength exceeding 2500V for reliable insulation
- High-conductivity copper connectors for superior thermal performance
- Reinforced clips for enhanced durability and compatibility with Class T fuses up to 600A
- UL 4248 listed, UL guide IZLT (File E52283), CSA certified (Class 6225, File 32169)
Specifications
AC Voltage Rating | 300 V |
Amperage Rating | 100 A |
Brand Name | Mersen |
Class | Class T |
Connection | Box with Reinforced Clip |
Connection Type | Copper Connectors |
Current Rating | 100A |
DC Voltage Rating | 300 V |
Material | Glass-filled polycarbonate (GFPC) or phenolic |
Material | Phenolic |
Maximum Operating Temperature | 80 C |
Mounting | Direct Screw Mount |
Number Of Poles | 3-pole |
Number of Poles | 3 |
Phase | 3 |
Poles | 3-pole |
Size | 4.78 x 4.38 x 1.95 in |
Size | 121.412 x 111.252 x 49.53 mm |
Special Features | Unique integral DIN-rail adapters for 600V, 30 & 60A blocks Full barrier design (30 & 60A) increases pole to pole safety Unique adder-block design (30 & 60A) for design flexibility Spring reinforcing standard for all 30 & 60A clips Features high conductivity copper alloy fuse clips Cool running high amperage (100 - 600A) connectors Copper connectors available 30 - 600A |
Standard | All fuse blocks meet the requirements of UL 4248 UL listed, guide IZLT, File E52283 UL recognized component guide IZLT2, file E52283 CSA certified class 6225, File 32169 |
Type | UL/CSA Fuse Bases |
Voltage Rating | 300 VAC |
Package Dimensions (L x W x H) | 4.78 in x 4.38 in x 1.95 in |
Package Dimensions (L x W x H) | 121.412 mm x 111.252 mm x 49.53 mm |
Package Weight (Imperial) | 2.670 lb |
Package Weight (Metric) | 1.211 kg |
LS2572-3DIN
POWR-BLOKS power distribution blocks offer a safe, convenient way of splicing cables, providing a fixed junction tap-off point or splitting primary power into secondary circuits. LX2XXX-DIN series offers integral DIN-Rail mount and an optional hinged safety cover. Applications: Typical applications include heating, air conditioning and refrigeration systems, elevator systems, material handling equipment, control panels, motor controls, switchgear, and anywhere power needs to be distributed to more than one load.
Frequently Asked Questions
What voltage ratings does the 31003T support?
The 31003T supports 300VAC and 300VDC voltage ratings.
What is the current rating of the 31003T?
The 31003T has a current rating of 100A.
What type of insulator does the 31003T use?
The 31003T uses a phenolic insulator with dielectric strength exceeding 2500V.
What wire range is compatible with the 31003T?
The 31003T supports wire ranges from 2/0 to #12 AWG.
What fuse class does the 31003T accommodate?
The 31003T accommodates Class T fuses up to 600A.
What are the connector types for the 31003T?
The 31003T features copper box connectors designed for copper wiring only.
Is the 31003T UL listed?
Yes, the 31003T is UL listed under guide IZLT (File E52283) and CSA certified.
What applications is the 31003T suitable for?
The 31003T is ideal for industrial control panels, motor starters, and power distribution systems.
Frequently Asked Questions about Mersen
What industries and applications are Mersen products used for?
Mersen products are used across diverse industrial sectors including solar power, electric vehicles, buildings/construction, industrial automation, power distribution, HVAC, elevators, telecommunications, and specialty manufacturing. Key application areas include circuit protection, surge protection, battery module protection, electrical safety systems, and power management for residential, commercial, and utility-scale installations.
What are the main product lines offered by Mersen?
Mersen offers five primary electrical power product lines: IEC and UL/CSA Fuses and Fusegear, Surge Protection, Low Voltage Disconnect Switches, Power Distribution Blocks, and Engineered Solutions. Their comprehensive range includes specialized components like high-speed fuses, modular fuse holders, surge arresters, and custom-engineered electrical protection systems for industrial and power management applications.
What are the key features of Mersen products?
Mersen products feature advanced electrical protection and power management solutions with key characteristics including finger-safe design, compact modularity, and high-performance safety features. Their product lines span electrical power components like fuses, surge protection, power distribution blocks, and specialized solutions for industrial, solar, and building applications. Critical features include UL/CSA approvals, high short-circuit current ratings, and innovative technologies like the Fuse Control™ program that minimize electrical risks and optimize system performance.
What environmental ratings do Mersen products have?
Mersen products meet rigorous environmental ratings across multiple standards, including UL 508A Type 1, 2, 3, 4, 4X, 12, and 13, CSA Type 1, 2, 3, 4, 4X, 12, and 13, and NEMA Type 1, 2, 3, 4, 4X, 12, and 13. They feature IEC 60529 IP66 protection, with enhanced UV inhibitors for outdoor weathering and operating temperatures ranging from -40°C to 130°C (-40°F to 266°F). These ratings ensure superior protection in wet, corrosive, and challenging industrial environments.
What accessories are available for Mersen products?
Mersen offers multiple accessories for their fuse blocks and systems, including safety pullers (DFC3M and DFC3LP), DIN-rail adapters (DRM), bus bars, auxiliary contacts, and specialized mounting hardware. Key accessories include the DFC3M safety puller for 1-1/2" x 13/32" midget or Class CC fuses, the DRM adapter for mounting 303 series fuse blocks on DIN-rail, and UltraSafe fuse module accessories like bus bars and auxiliary contacts that enable module interconnection and monitoring.
How are Mersen products typically installed?
Mersen products are typically installed in electrical distribution systems, control panels, and industrial automation environments using multiple mounting options. These include service entrance panel mounting, distribution panel installation, control panel DIN rail mounting, and custom engineered solutions like Fused Coordination Panelboards. Installation depends on the specific product type, such as fuses, surge protective devices, or switches, and is designed to provide electrical protection and circuit safety in various industrial and commercial applications.
What certifications and standards do Mersen products comply with?
Mersen products are certified to multiple international standards, including UL (Underwriters Laboratories), CSA (Canadian Standards Association), CCC (China Compulsory Certification), and EAC (Eurasian Conformity). Our products meet rigorous safety and performance standards for industrial applications across North America, China, Russia, and other global markets, ensuring compliance and reliability in electrical power and advanced materials solutions.
What technical support does Mersen offer?
Mersen provides comprehensive technical support through multiple channels, including technical experts located in your time zone who can assist with product selection, application guidance, and troubleshooting. Their Fuse Control™ program offers a free Fuse Inventory Audit & Analysis, and customers can access technical resources through their sales representatives and online platform ep.mersen.com.