Mersen N091920 Fuse Base for High Voltage Fuse-links 2.5kVAC 200A 36x127 Viti M5
Alternate Item Number: SI36127BS
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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
- Rated for 2.5kVAC and 200A ferrule-type fuse-links
- Compact 36x127mm footprint with M5 Viti mounting
- Vibration-tested per IEC standards (2 hours per axis, 2-250Hz)
- Compatible with Mersen Amp-Trap® and 9F62 series fuses (160A-400A)
- Back-plate mounting for industrial cabinet applications
Specifications
AC Voltage Rating | 2.5 kV |
Amperage Rating | 200 A |
Application | SI 36x127 BS fuse holder may be used for rolling stock “TRAC” for SI 36x190 and SI 36x400 means that fuse holder may be used for rolling stock with reinforced fixing of clips on isolators |
Brand Name | Mersen |
Connection Type | Viti M5 |
Current Rating | 200A |
DC Voltage Rating | 2.5 kV |
Size | 7.3 x 1.65 x 3.8 in |
Size | 185.5 x 42 x 96.5 mm |
Size | 20.6 x 190 - 36 x 127 - 36 x 190 - 36 x 250 - 36 x 400 |
Special Features | Sturdy assembly with very high collision withstand Mounting as base with or without microswitch Polyester isolators for all applications |
Type | IEC HV Fuse Supports |
Voltage Rating | 2.5kVAC |
Package Dimensions (L x W x H) | 7.3 in x 1.65 in x 3.8 in |
Package Dimensions (L x W x H) | 185.5 mm x 42 mm x 96.5 mm |
Package Weight (Imperial) | 1.180 lb |
Package Weight (Metric) | 0.535 kg |

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What is the rated voltage for the N091920 fuse base?
The N091920 fuse base has a rated voltage of 2500 V AC (IEC) and 2500 V DC (IEC).
What is the rated current for the N091920 fuse base?
The N091920 fuse base has a rated current of 200 A.
What size fuse-link does the N091920 fuse base accommodate?
The N091920 fuse base is designed for fuse-links with a size of 36x127.
What is the weight of the N091920 fuse base?
The N091920 fuse base weighs 0.54 kg.
What type of screws are used for electrical connection on the N091920 fuse base?
Electrical connections for the N091920 fuse base use M5 screws.
What is the recommended tightening torque for the M5 screws on the N091920 fuse base?
The recommended tightening torque for the M5 screws used for fixing the base is 7±1.5 Nm.
What are the dimensions of the N091920 fuse base?
The N091920 fuse base has dimensions of 36x127 mm.
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.





