Mersen Y076473 High Voltage Back-up fuse for motor Limitor® 3.6kVAC IEC 125A d50,8mm L192mm With…
Alternate Item Number: 45ASB36V125P-1
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Overview
- Rated 125A for 3.6kV AC motor protection
- 50kA RMS symmetrical breaking capacity
- Pure silver fuse elements for superior conductivity
- Silver-plated brass caps for corrosion resistance
- Striker mechanism (50N) for visual/remote fault indication
- Compact design: 50.8mm diameter, 192mm length
- Power dissipation: 37W at 0.7xIn
- Melamine fiberglass body for mechanical strength
- Power dissipation: 37W at 0.7xIn
- Dimensions: Ø50.8mm x L192mm
Specifications
AC Voltage Rating | 3.6 kV |
Amperage Rating | 125 A |
Application | HV motor protection HV motor pump protection For indoor use Operating temperature -25°C to +40°C |
Body Material | Melamine fiber glass |
Brand Name | Mersen |
Connection | Cylindrical |
Connection Material | Silver-Plated Brass |
Current Rating | 125 A |
Interrupt Rating | 60 kA |
Material | Pure silver fuse elements, silver-plated brass caps, melamine fiberglass body |
Mounting | Clip |
Series | Limitor |
Size | d50.8mm L192mm |
Size | 10.16 x 2 in |
Size | 258 x 50.8 mm |
Special Features | High speed switching Voltage drive Low inductance module structure Energy efficency Back-up fuse-links High breaking capacity High current limitation Low power losses Striker 50N / 30mm |
Standard | IEC 60282-1 IEC 60644 DIN 43625 |
Sub Brand | Limitor® |
Type | DIN HV Back-up Fuses for Motors |
Type Of Indicators | Striker |
Voltage Rating | 3.6 kVAC |
Package Dimensions (L x W x H) | 10.16 in x 2 in x 2 in |
Package Dimensions (L x W x H) | 258 mm x 50.8 mm x 50.8 mm |
Package Weight (Imperial) | 4.189 lb |
Package Weight (Metric) | 1.900 kg |
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Frequently Asked Questions
What is the operating temperature range for these fuses?
The operating temperature range for these fuses is from -25°C to +40°C.
What standards do these Mersen HV fuse-links comply with?
These fuse-links comply with IEC 60282-1, IEC 60644, and DIN 43625 standards.
What materials are used in the construction of these fuses?
The fuse elements are made of pure silver, the caps are silver-plated brass, and the body is melamine fiber glass.
What is the primary application for these Limitor® aSJB/D fuses?
These fuses are primarily designed for HV motor protection, including HV motor pump protection.
Are these fuses suitable for indoor or outdoor use?
These fuses are designed for indoor use only.
What are the available rated voltages for the Limitor® aSJB/D fuses?
The available rated voltages are 3.6kV, 7.2kV, and 12kV.
What is the breaking capacity for the 3.6kV, 7.2kV, and 12kV fuses?
The breaking capacity is 60 kA for 3.6kV fuses and 50 kA for 7.2kV and 12kV fuses.
What is the coefficient K for these fuses as defined in IEC 60644?
The coefficient K for these fuses, as defined in IEC 60644, is 0.51.
What is the striker force and length for the striker?
The striker force is 50N and the striker length is 30mm.
What is the peak arc voltage for the 12kV rated fuses?
The peak arc voltage for the 12kV rated fuses is 20 kV.
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.