Mersen Class J Time-Delay Fuse 50A 600VAC/400VDC with SmartSpot Indication System

Mersen Class J Time-Delay Fuse 50A 600VAC/400VDC with SmartSpot Indication System

Professional Circuit Protection with Advanced Indication Technology

The Mersen Class J Time-Delay Fuse delivers reliable circuit protection with 50A rating for both AC and DC applications. Featuring 600VAC/400VDC voltage capability and SmartSpot indication system, this professional-grade fuse provides visual blown fuse indication for enhanced maintenance efficiency. The ferrule terminal design with tin-plated copper connections ensures secure installation and optimal conductivity in demanding electrical environments.

Professional Features & Benefits

• 50A Current Rating: Provides robust protection for medium-duty electrical circuits and equipment applications.
• Class J Design: Delivers current-limiting protection with time-delay characteristics for motor and inductive load compatibility.
• Dual Voltage Rating: 600VAC/400VDC capability offers versatility for both AC and DC circuit protection requirements.
• SmartSpot Indication: Visual blown fuse indication system enables quick identification and reduces troubleshooting time.
• 200kA Breaking Capacity: High interrupting rating provides superior fault current protection in demanding applications.
• Ferrule Terminals: Tin-plated copper connections ensure reliable contact and corrosion resistance for long-term performance.
• Time-Delay Characteristic: Allows temporary overloads while providing fast protection against short circuits and sustained overcurrent conditions.

Technical Specifications

• Ac Max I R Breaking Capacity I1: 200 kA
• Ac Or Dc: AC/DC
• Ampere Rating: 50 A
• Body Insulating Material: GMG
• Connection Terminal Material: Tin-Plated Copper
• Connection Terminal Type: Ferrule
• Frequency Hz : 50/60 Hz
• Fuse Class: Class J
• Indication System: Yes
• Indication System Type: SmartSpot�
• Mounting Method: Clip
• Product Length: 2.38 in
• Product Weight: 0.167 lb
• Rated Voltage Ac Ul: 600 V
• Rated Voltage Dc Ul: 400 V
• Rohs Compliant: Yes
• Speed Characteristic: Time Delay

Installation & Operation

1. Mount the fuse in a suitable fuse holder or disconnect with appropriate clearance and access for connections and service.
2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
3. Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
4. Configure any available load management or control features as supported by the provided specifications.
5. Test automatic transfer or operational functionality and verify proper performance before placing into service.
6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

• Motor Control Centers and Industrial Equipment Protection
• Commercial HVAC and Lighting Circuit Protection
• Power Distribution Panels and Switchgear Applications
• DC Power Systems and Battery Backup Equipment
• Manufacturing and Process Control Systems
• Emergency Power and Critical Infrastructure Protection

Why Choose Mersen Quality?

Mersen fuses deliver proven reliability with RoHS compliant construction and professional-grade materials. The GMG insulating material and tin-plated copper terminals provide long-term durability, while the SmartSpot indication system enhances maintenance efficiency and system reliability in critical applications.