Mersen W302745 - The Mersen W302745 is a high-quality industrial component designed for demanding applications. Engineered for reliability and durability, this product meets stringent performance standards, ensuring optimal operation in harsh environments. Mersen, a trusted name in industrial solutions, delivers precision and efficiency with every component. Whether for manufacturing, energy, or automation, the W302745 provides consistent performance and long-term value. Trust Mersen for components that enhance productivity and reduce downtime.
Mersen

W302745

Alternate Item Number: 3605340355857

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Overview

The Mersen W302745 is a precision-engineered industrial component from Mersen, a recognized leader in industrial solutions. Designed for reliability and durability, this component is built to perform optimally in demanding applications and harsh environments. Its construction meets stringent performance standards, ensuring consistent operation across various industrial sectors including manufacturing, energy, and automation. By choosing the Mersen W302745, businesses can expect enhanced productivity and reduced operational downtime. Mersen's commitment to quality means this component offers long-term value and efficient performance, making it a trusted choice for critical industrial processes. The W302745 embodies Mersen's dedication to delivering efficient and dependable components that support operational excellence. This high-quality industrial component is engineered for reliability and durability, meeting stringent performance standards for optimal operation in harsh environments. Mersen, a trusted name in industrial solutions, delivers precision and efficiency with every component. Whether for manufacturing, energy, or automation, the W302745 provides consistent performance and long-term value. Trust Mersen for components that enhance productivity and reduce downtime. SKU: W302745. Country of Origin: US. UNSPSC Code: 39121628.
  • High-quality industrial component for demanding applications
  • Engineered for reliability and durability
  • Meets stringent performance standards
  • Ensures optimal operation in harsh environments
  • Provides consistent performance and long-term value
POWR-SPEED SQB SIZE 1XL BOLTED BL 350A. Littelfuse PSX series 1500 V dc high-speed square bodyfuses are specially designed to protect battery energy storage systems (BESS), photovoltaic inverters, and many of dc applications such as dc common bus systems, larger industrial regenerative drives, rectifiers and, metal processing equipment. The PSX series fuses are extremely fast-acting, offering high-speed performance up to 1500 V dc, ranging from 80 A to 1400 A in the smallest NH XL package sizes. The PSX series is available with multiple mounting terminations including flush-end style, DIN-style and bolted-blade style. Visual blown fuse indication is standard on all fuses and optional micro-switch is available for external indication. PSX series are certified to UL 248-13 and designed to meet EN high-speed semiconductor fuse standard and IEC 60269-7, a new battery protection fuse standard in development.

PSX1XLUB0350

POWR-SPEED SQB SIZE 1XL BOLTED BL 350A. Littelfuse PSX series 1500 V dc high-speed square bodyfuses are specially designed to protect battery energy storage systems (BESS), photovoltaic inverters, and many of dc applications such as dc common bus systems, larger industrial regenerative drives, rectifiers and, metal processing equipment. The PSX series fuses are extremely fast-acting, offering high-speed performance up to 1500 V dc, ranging from 80 A to 1400 A in the smallest NH XL package sizes. The PSX series is available with multiple mounting terminations including flush-end style, DIN-style and bolted-blade style. Visual blown fuse indication is standard on all fuses and optional micro-switch is available for external indication. PSX series are certified to UL 248-13 and designed to meet EN high-speed semiconductor fuse standard and IEC 60269-7, a new battery protection fuse standard in development.
High Speed Fuse Amp-Trap® A70Q 700VAC 650VDC 250A Bolted Blade

A70Q250-4

High Speed Fuse Amp-Trap® A70Q 700VAC 650VDC 250A Bolted Blade
High-speed fuse (uR) S1* BKN/50 200kA 690V 400A aR protection type

170M3468

High-speed fuse (uR) S1* BKN/50 200kA 690V 400A aR protection type
MC 3E 1-5 N

D310020

MC 3E 1-5 N

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.