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UL489 certified#1.0 UL489
UL98 certified#1.0 UL98
IEC 60947-3 certified#1.0 IEC 60947-3

FUSERBLOC UL

Heavy duty switches for on/off operation
Double break contacts per pole
High-breaking capacity up to 200 kA rms
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Price Price Available on Request
Fast Shipping Available
Technical Support Included
UL489, UL98, IEC 60947-3, REACH & RoHS Compliant

FUSERBLOC UL Technical Specifications

Comprehensive technical specifications for industrial-grade fuse switching solutions.

Parameter
Specification
Current Rating
30-200A
Available Poles
2, 3, 3+NCP, 3+NPP, 4
Fuse Size
CC, J, L
Frame Sizes
1-8
Type
I-0, I-0-Test
Breaking Capacity
Up to 200 kA rms
Contact Configuration
Double break contacts per pole
Available Versions
37 versions available
Primary Standards
UL489, UL98, IEC 60947-3
Country of Origin
🇫🇷 France

Engineered for Industrial Excellence

Advanced fuse switching technology designed for demanding industrial applications with superior safety and reliability.

High Breaking Capacity

Advanced breaking technology capable of handling up to 200 kA rms, ensuring reliable protection even in the most demanding electrical environments with superior fault current interruption.

Complete Circuit Isolation

Double break contacts per pole provide complete isolation of fuses when switch is OFF, ensuring maximum safety for maintenance personnel and equipment during service operations.

Versatile Operation

Heavy duty switches designed for both on-load and off-load operation, with TEST position capabilities up to 200A for safe circuit testing without powering the load.

Multi-Standard Compliance

Certified to UL489, UL98, CSA22.2, and IEC 60947-3 standards, ensuring global compliance and reliability for international industrial applications and installations.

Flexible Configuration

Available with flange type front or side operation handles, voltage measurement terminals, and NFPA 79 compliance kits for customized installation requirements and enhanced functionality.

Environmental Compliance

REACH and RoHS compliant construction with PEP ecopassport availability, supporting sustainable industrial practices and environmental responsibility in electrical installations.

Frequently Asked Questions

What is the difference between I-0 and I-0-Test operation types?
I-0 type provides standard on/off switching capabilities for fuse protection, while I-0-Test type includes an additional TEST position that allows circuit testing up to 200A without energizing the load, enhancing safety during commissioning and maintenance.
Can FUSERBLOC UL be used with all fuse types?
FUSERBLOC UL is designed for CC, J, and L class fuses across frame sizes 1-8, accommodating current ratings from 30-200A. It's compatible with high-breaking capacity fuses up to 200 kA rms for comprehensive overcurrent protection.
What safety features are included for maintenance operations?
Double break contacts per pole ensure complete fuse isolation when OFF, voltage measurement terminals allow safe testing, and optional handle configurations provide secure switching operation with clear position indication for enhanced personnel safety.
Is NFPA 79 compliance available for machine tool applications?
Yes, NFPA 79 compliance kits are available for FUSERBLOC UL, making it suitable for machine tool electrical standards and industrial automation applications requiring specific safety and performance criteria.
What mounting and operation options are available?
FUSERBLOC UL can be equipped with flange type handles for either front operation or side operation, suitable for installation on doors or sides of electrical boxes and cabinets with flexible mounting configurations.

Versatile Applications Across Critical Industries

FUSERBLOC UL provides reliable fuse switching solutions for demanding industrial environments requiring superior protection and safety.

Heavy duty electrical switching equipment for power circuit protection in industrial manufacturing facilities#1.9

Power Distribution

Essential for making and breaking power circuits in electrical distribution panels and control systems.

Overcurrent protection systems and short circuit safety equipment for electrical cabinets and control panels#1.9

Electrical Safety

Critical protection against overcurrents and short circuits in industrial electrical installations.

Control cabinet electrical switching solutions for door and side mounting applications in industrial settings#1.9

Control Cabinets

Ideal for installation on doors or sides of electrical boxes and cabinets requiring reliable switching.

Testing control circuit equipment without power activation for safe maintenance and commissioning operations#1.9

Circuit Testing

Safe testing of control circuits without turning on power, essential for maintenance and commissioning.

What Our Industrial Partners Say

Real experiences from engineers and maintenance professionals who trust FUSERBLOC UL for their critical electrical protection needs.

Exceptional technical expertise and reliable support

ValuAdd's technical expertise saved us weeks of troubleshooting on our motor control issues. Their deep product knowledge and hands-on support made all the difference.

MJ

Michael Johnson

Maintenance Manager, ABC Manufacturing

Outstanding component selection and reliability

Their component selection support and reliability have made ValuAdd our go-to partner for all electrical panel design projects. Truly knowledgeable representatives.

ST

Sarah Thompson

Design Engineer, TechSystems Inc

Local support that understands industry challenges

The local support and territory-based service from ValuAdd is exceptional. They understand our industry challenges and provide solutions that work.

RD

Robert Davis

Operations Director, Industrial Solutions LLC

Comprehensive electrical solutions expertise

Working with ValuAdd has transformed our electrical purchasing strategy. Their manufacturer relationships ensure we get quality products with excellent support every time.

JS

James Smith

Electrical Manager, Midwest Food Processing

Professional project support and guidance

The technical guidance and project support from ValuAdd's team has been invaluable for our panel building operations. They truly understand our requirements.

AK

Anna Kim

Project Engineer, Advanced Panel Solutions

Reliable partnership for automation challenges

ValuAdd consistently delivers the electrical components and expertise we need for our automation projects. Their responsiveness and knowledge are unmatched.

DL

David Lee

Controls Engineer, AutoTech Manufacturing

Explore Our Complete Fuse Protection Portfolio

Discover our comprehensive range of fuse switching and protection solutions designed for diverse industrial electrical applications.

RMS - Modular Fuse Holders

Modular fuse holders with improved safety features including multipolar breaking, high dielectric strength, IP2X protection, and 100 kA rms capacity for comprehensive cylindrical fuse protection.

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ENCLOSED FUSERBLOC

Fusible disconnect switches with enclosure featuring high breaking capacity, reliable switching technology, robust ergonomic handles, and comprehensive safety features including door interlocking and padlock capability.

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FUSERBLOC DRIVE 1PP

Multipole DC fuse load break switches offering overcurrent protection for capacitive loads with automatic pre-charging functionality, combining disconnection, protection, and pre-charging in a single compact device.

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Need Expert Technical Guidance?

Connect with our electrical experts for personalized component selection and technical support for your industrial projects.

Ready to Enhance Your Electrical Protection?

Connect with our technical experts to discuss your specific FUSERBLOC UL requirements and receive personalized guidance for your industrial electrical projects.

For immediate technical support, call +1 (555) 123-4567 or email us at support@valuadd.com

Get Technical Quote

For immediate technical support, call +1 (555) 123-4567 or email us at support@valuadd.com