Mersen D300038 Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 250A With Striker…
Alternate Item Number: PC31UD69V250EF
Documents & Media
Contact for Pricing
Minimum Qty: 3
Multiplier: 3
*Contact for lower quantities*
Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.
Overview
- 250A continuous current rating with 690VAC (IEC)/700VAC (UL) voltage capability
- Ultra-fast aR (ultra-fast acting) response for semiconductor protection
- Open slot blades for flexible mounting in power conversion equipment
- Silver-plated contacts and non-magnetic hardware for low resistance and stability
- 200kA interrupting rating with 70W power dissipation at 250A
Specifications
AC Voltage Rating | 700 V |
Amperage Rating | 250 A |
Application | Protection of inverters, motor drives, UPS systems and similar 690V or less equipments. |
Brand Name | Mersen |
Case | Ceramic |
Connection | Open Slot Blades |
Connection Type | Open Slot Blades |
Current Rating | 250 A |
Material | Silver-plated, non-magnetic hardware |
Mounting | Bolted |
Series | Protistor® |
Size | 4.31 x 2.01 x 2.22 in |
Size | 109.4 x 51 x 56.5 mm |
Size | Size 31 |
Special Features | Multiple body sizes and terminals or blades combination aR Class according to IEC 60269-4 and VDE 636-23 Very low I²t for improved semiconductor protection Ultra fast acting Current limiting Superior cycling capability |
Standard | IEC 60269.4 Compliance UL/CSA Recognized E76491 CCC GB 13539.4 for Asian market only |
Sub Brand | Protistor® |
Type | Square Body High-Speed Fuse-Links AC Protection |
Type Of Indicators | Striker |
Voltage Rating | 700 V |
Voltage Rating | 690/700 VAC |
Wattage | 52 W |
Package Dimensions (L x W x H) | 4.31 in x 2.01 in x 2.22 in |
Package Dimensions (L x W x H) | 109.4 mm x 51 mm x 56.5 mm |
Package Weight (Imperial) | 0.891 lb |
Package Weight (Metric) | 0.404 kg |
GPM-SRR90
Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount
C331156
Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20
LCC5
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 voltage ratings does the D300038 support?
The fuse-link is rated for 690VAC per IEC standards and 700VAC per UL standards.
What is the size of the D300038?
The D300038 is a Size 31 Protistor® fuse-link, part of Mersen’s semiconductor protection fuse series.
What is the interrupting rating of the D300038?
The D300038 has an interrupting rating of 200kA, ensuring reliable fault interruption in high-fault current conditions.
Is the hardware non-magnetic?
Yes, the D300038 uses non-magnetic hardware to prevent unwanted magnetic interference in sensitive circuits.
What is the power dissipation at 250A?
The D300038 has a power dissipation of 70W at a 250A continuous current rating.
What applications is the D300038 suitable for?
The D300038 is designed for power conversion equipment, protecting semiconductor devices such as diodes, thyristors, and IGBTs.
Can the D300038 be used with trip indicators?
Yes, the fuse-link can be equipped with a low-voltage trip indicator for remote status monitoring via a microswitch.
What is the fuse element construction?
The fuse elements are die-cut and embedded in solidified sand, optimizing arcing control and reducing I²t values.
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.