
Mersen Q092934 Fuse Base for NF/UTE High Voltage Fuse-links 12kVAC
Alternate Item Number: SI175-55-520
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Contact for Pricing
Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.
Overview
- Designed for NF/UTE High Voltage Fuse-links
- Rated for 12kVAC operation
- Includes indicating device for fuse status
- Robust construction for thermal and mechanical withstand
- Manufactured in the USA
Specifications
AC Voltage Rating | 12 kV |
Brand Name | Mersen |
Size | 26.14 x 3.15 x 12.54 in |
Size | 664 x 80 x 318.5 mm |
Size | 55x520mm |
Special Features | Easy to use For indoor use |
Standard | IEC 60282-1 |
Type | IEC HV Fuse Supports |
Voltage Rating | 12 kVAC |
Package Dimensions (L x W x H) | 26.14 in x 3.15 in x 12.54 in |
Package Dimensions (L x W x H) | 664 mm x 80 mm x 318.5 mm |
Package Weight (Imperial) | 7.937 lb |
Package Weight (Metric) | 3.600 kg |

K1064587
Fuse-base for gPV Photovoltaic fuse-links Size NH, 1XL 250A 1-Pole con proteccion contra contactos
L209425
The Mersen L209425 is a fuse base designed for DIN high voltage fuse-links. It supports fuse-links with a 45mm diameter and lengths of 192, 292, 367, 442, and 537mm. This robust device features an indicating device for electrical actuation of the opening mechanism or triggering an indicator upon fuse melting. It offers flexibility for mechanical systems and can incorporate microswitch units based on equipment configuration. Manufactured by Mersen, this fuse base is a critical component for circuit protection in industrial applications.
M209426
Mersen M209426 fuse base is designed for DIN high voltage fuse-links with 45mm diameter and lengths ranging from 192mm to 537mm. This robust device features an indicating mechanism that triggers electrical actuation of circuit opening or indicator activation when a fuse equipped with a trip-indicator melts. The design eliminates dependency on mechanical systems and supports integration of microswitch units based on equipment configuration. Manufactured by Mersen (SKU: M209426), this product is ideal for high-voltage industrial applications requiring reliable fuse protection and monitoring.Frequently Asked Questions
What is the rated voltage for the SI175-55-520 fuse holder?
The SI175-55-520 fuse holder has a rated voltage of 12 kV AC (IEC).
What is the dielectric withstand for the SI175-55-520 fuse holder?
The dielectric withstand for the SI175-55-520 fuse holder is 28 kV between live parts and earth (50 Hz - 1 min).
What is the package weight of the SI175-55-520 fuse holder?
The package weight for the SI175-55-520 fuse holder is 3.6 kg.
What materials are used for the fuse holder body and components?
The base plate is galvanized steel, terminal lugs are nickel-plated copper, screws are galvanized steel, the clip is nickel-plated copper, and the clip spring is stainless steel.
What standards do these fuse bases comply with?
These fuse bases comply with the IEC 60282-1 standard.
Are these fuse bases suitable for outdoor use?
No, these fuse bases are designed for indoor use only.
What is the length of the flexible part for the MC1-5NFLEXQ640 indicating device?
The flexible part of the MC1-5NFLEXQ640 indicating device has a length of 545mm.
What is the overall length of the MC1-9NFLEXQ640 indicating device?
The MC1-9NFLEXQ640 indicating device has an overall length of 710 mm.
What is the weight of the MC1-5NFLEXQ indicating device?
The MC1-5NFLEXQ indicating device weighs 0.21 kg per package.
Can the indicating device be used with multiple fuse holders?
Yes, the indicating device can incorporate one or two microswitch units depending on the equipment configuration.
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.




