Mersen MDC15A32 Fuse MDC15A - DC Distribution 1500VDC 32A Type Auxiliary Ferrule
Alternate Item Number: MDC15A32
UPC: 782001508067
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Overview
- 1500VDC rated for high-voltage DC systems
- 32A current rating with 50kA maximum interrupting rating
- Auxiliary ferrule connection for secure installation
- Ultra-compact 10x85mm size for space-constrained applications
- UL Listed (File E333668) with L/R ≤1ms time constant rating
- Low watt losses and high cycling performance for efficiency
- Tested for L/R ≤1ms time constants for fast response
Specifications
Amperage Rating | 32 A |
Application | DC Distribution DC Cabling and Bus DC Auxiliary Circuits Electrical Energy Storage EV Charging Critical Power UPS Protection |
Body Material | GMG |
Brand Name | Mersen |
Connection | Ferrule |
Connection Material | Tin-Plated Copper |
Connection Type | Auxiliary Ferrule |
Connection Type | Ferrule |
Current Rating | 32 A |
DC Voltage Rating | 1500 V |
Interrupt Rating | 50 kA |
Mounting | Clip |
Mounting Type | Auxiliary Ferrule |
Series | MDC DC Distribution Series |
Size | 3.34 x 0.41 in |
Size | 84.836 x 10.414 mm |
Special Features | Designed for DC applications Low watt losses High cycling performance Low & high current interrupting capability Ultra compact size |
Standard | UL Listed File E333668 |
Type | DC Fuses |
Voltage Rating | 1500VDC |
Package Dimensions (L x W x H) | 3.34 in x 0.41 in x 0.41 in |
Package Dimensions (L x W x H) | 84.836 mm x 10.414 mm x 10.414 mm |
Package Weight (Imperial) | 0.030 lb |
Package Weight (Metric) | 0.014 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 DC voltage rating for the MDC15A fuse?
The MDC15A DC Distribution Fuse has a rated voltage of 1500VDC.
What is the current rating range for the MDC15A series?
The MDC15A series fuses are available in ampere ratings from 4A to 32A.
What is the DC interrupting rating for the MDC15A fuse?
The MDC15A fuse has a DC interrupting rating of 50kA at 1500VDC.
What is the minimum breaking capacity (MBC) for the MDC15A32 fuse?
The DC Minimum Breaking Capacity (MBC) for the MDC15A32 fuse is 64A at rated voltage.
What are the dimensions of the MDC15A fuse?
The MDC15A fuse is a 10x85mm auxiliary fuse.
What are the available catalog numbers for the MDC15A fuse?
The MDC15A fuse is available in Ferrule (e.g., MDC15A32) and Surface Mount (e.g., MDC15A32S) styles.
What is the melting I2t value for the MDC15A32 fuse?
The melting I2t value for the MDC15A32 fuse is 320 A2s.
What is the clearing I2t value for the MDC15A32 fuse at 1000VDC?
The clearing I2t at 1000VDC for the MDC15A32 fuse is 1942 A2s.
What is the DC time constant L/R for the MDC15A series fuses?
The DC Time Constant L/R for all MDC15A series fuses is less than or equal to 1ms.
What is the recommended tightening torque for surface mount MDC15A fuses?
For surface mount MDC15A fuses (1-30A) with a 1/4-20 thread size, the recommended tightening torque is 5.5 N-m or 50 In-lbs.
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.