Mersen FH25F4 Fuse Block 1000VAC 1000VDC 800A 1-Pole Stud center to center: 2.66 inch
Alternate Item Number: FH25F4
UPC: 782001276928
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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
- 1-Pole Fuse Block with 800A rating
- 1000VAC and 1000VDC voltage capability
- Durable glass-filled polycarbonate or laminated phenolic insulator
- Stud connections with 2.66 inch center-to-center spacing
- Tin or zinc-plated hardware for corrosion resistance and conductivity
- Tin or zinc-plated studs, clips, and hardware for corrosion resistance
- Manufactured in the USA
Specifications
AC Voltage Rating | 1000 V |
Amperage Rating | 800 A |
Application | Fuse blocks for semiconductor fuses |
Brand Name | Mersen |
Connection | Stud |
DC Voltage Rating | 1000 V |
Material | Phenolic |
Maximum Operating Temperature | 80 C |
Maximum Operating Temperature | 80 °C |
Mounting | Direct Screw Mount |
Number of Poles | 1 |
Phase | 1 |
Size | 6 x 2 x 3 in |
Size | 152.4 x 50.8 x 76.2 mm |
Special Features | Glass-filled polycarbonate or laminated phenolic insulator blocks with studs to accommodate bolt-in fuses |
Standard | UL Recognized Component guide IZLT2 File E52283 CSA Certified C22.2, class 6225, File 32169 |
Type | Semiconductor & Special Purpose Fuse Bases & Accessories |
Voltage Rating | 1000 VAC |
Package Dimensions (L x W x H) | 6 in x 2 in x 3 in |
Package Dimensions (L x W x H) | 152.4 mm x 50.8 mm x 76.2 mm |
Package Weight (Imperial) | 1.850 lb |
Package Weight (Metric) | 0.839 kg |
LSCR102
Littelfuse LSCR Series is a comprehensive line of modular fuse blocks, designed to accommodate a wide range of High-Speed and UL Power Fuses. These LSCR Series blocks have modular stud type design that enables easy mounting in panel boards. LSCR Series blocks are CE Certified and RoHS Compliant. Features and Benefits: Modular design reduces inventory requirements; Sold in pairs for convenience; Supplied with nut and belleville washer; Constructed of molded phenolic (with plated steel studs) provide greater heat dissapation.
Frequently Asked Questions
What is the amp rating for the FH25F4 fuse block?
The FH25F4 fuse block is rated for 700-800 amps.
What are the dimensions of the FH25F4 fuse block?
The FH25F4 fuse block has dimensions of 6.00 in length, 2.00 in width, 3.00 in height, and 3.00 in depth.
What is the stud size and torque for the FH25F4 fuse block?
The FH25F4 fuse block uses a 3/8-16 stud size with a torque of 144 in lbs.
What certifications does the FH25F4 fuse block have?
The FH25F4 fuse block is UL Recognized Component (IZLT2 File E52283) and CSA Certified C22.2, class 6225, File 32169.
What type of fuses are compatible with the FH25F4 fuse block?
The FH25F4 fuse block is designed for Form 101 fuses.
What is the voltage rating for the FH25F4 fuse block?
The FH25F4 fuse block has a clip type rating of 1200VAC or less and a stud type rating of 1000VAC or less.
Does the FH25F4 fuse block have specific installation torque requirements?
Yes, the FH25F4 fuse block requires a stud torque of 144 in lbs for installation.
What material is the FH25F4 fuse block made of?
The FH25F4 fuse block is made of glass-filled polycarbonate or laminated phenolic insulator.
What is the mounting hardware material for the FH25F4 fuse block?
The mounting hardware for the FH25F4 fuse block is tin or zinc plated.
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.