Mersen A550C40-75 Medium Voltage Capacitor Fuse 5500VAC 40A Female Stud To Female Tube Visual Indicator…
Alternate Item Number: A550C40-75
UPC: 782001355098
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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
- 5500 VAC maximum voltage rating
- 40 Ampere rating
- Visual indicator for blown fuse status
- Female stud to female tube mounting
- 65 kA interrupting rating at 5500V RMS Sym
Specifications
AC Voltage Rating | 5500 V |
Amperage Rating | 40 A |
Application | Capacitor Protection Power Factor Correction Equipment Harmonic Filtering Equipment Induction Heating System High Power Drive Welders |
Body Material | GMG |
Brand Name | Mersen |
Connection | Female Stud To Female Tube |
Connection Material | Tin-Plated Brass |
Interrupt Rating | 65 kA |
Mounting | Direct Mount |
Size | 9.75 x 2;247.65 x 50.8 in;mm |
Special Features | High interrupting capacity Current limitation Blown-fuse indication Direct mount Clip style mount Bus mount Non-venting for silent operation |
Standard | ANSI C37-41 |
Standard | ANSI |
Sub Brand | Amp-Trap® |
Type | Capacitor Protection Fuses |
Type Of Indicators | Visual Indicator |
Voltage Rating | 5500 VAC |
Package Dimensions (L x W x H) | 9.75 in x 2 in x 2 in |
Package Dimensions (L x W x H) | 247.65 mm x 50.8 mm x 50.8 mm |
Package Weight (Imperial) | 2.500 lb |
Package Weight (Metric) | 1.134 kg |
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POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.
Frequently Asked Questions
What is the maximum voltage rating for the A550C series fuses?
The A550C series capacitor fuses have a maximum voltage rating of 5500V AC.
What is the interrupting rating for A550C fuses?
The interrupting rating for A550C fuses is 65 kA RMS Sym at 5500V.
What is the body diameter for A550C Type 15 fuses?
The body diameter for A550C Type 15 fuses is 2.00 inches (50.8 mm).
What is the overall length of A550C Type 75 fuses?
The overall length for A550C Type 75 fuses is 9.75 inches (247.7 mm).
What is the maximum ampere rating for the A550C series?
The maximum ampere rating for the A550C series is 75 A.
What is the tube length for A550C Type 70 fuses?
The tube length for A550C Type 70 fuses is 7.12 inches (180.8 mm).
What type of protection do Mersen capacitor fuses offer?
Mersen capacitor fuses provide both short circuit and overload protection for capacitors.
Are Mersen capacitor fuses designed for indoor or outdoor use?
These fuses are designed for indoor use in a general purpose enclosure or outdoors in a weatherproof enclosure.
Do these fuses require a separate disconnect switch?
Yes, these are non-disconnecting fuses and require the use of a disconnect switch.
What are the applications for Mersen capacitor fuses?
Applications include capacitor protection, power factor correction, harmonic filtering, induction heating, high power drive, and welders.
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.