Mersen Class J Time-Delay Fuse 25A 600VAC/400VDC with SmartSpot Indication System

Mersen Class J Time-Delay Fuse 25A 600VAC/400VDC with SmartSpot Indication System

Professional electrical protection with advanced indication technology

The Mersen Class J Time-Delay Fuse delivers reliable overcurrent protection with 25A rating for both 600VAC and 400VDC applications. Featuring SmartSpot indication system for visual fuse status monitoring, this professional-grade fuse provides 200 kA breaking capacity with ferrule terminal connections and GMG body insulating material for dependable performance in demanding electrical systems.

Professional Features & Benefits

• 25A Current Rating: Provides precise overcurrent protection for medium-duty electrical circuits and equipment applications.
• Class J Time-Delay Design: Allows temporary overloads while providing fast fault clearing for enhanced equipment protection and system coordination.
• SmartSpot Indication System: Visual indication technology enables quick fuse status assessment without removal, reducing maintenance time and improving safety.
• 200 kA Breaking Capacity: High interrupting rating ensures reliable fault clearing capability in high-energy electrical systems.
• Dual Voltage Rating 600VAC/400VDC: Versatile voltage compatibility supports both AC and DC applications with appropriate derating.
• Ferrule Terminal Design: Tin-plated copper ferrule terminals provide secure connections and excellent conductivity for reliable performance.
• RoHS Compliant Construction: Environmentally responsible design meets regulatory requirements for hazardous substance restrictions.

Technical Specifications

• Ac Max I R Breaking Capacity I1: 200 kA
• Ac Or Dc: AC/DC
• Ampere Rating: 25 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: 2.25 in
• Product Weight: 0.097 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 unit in a suitable location 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

• Industrial Motor Control Centers
• Commercial Electrical Distribution Panels
• HVAC Equipment Protection
• Manufacturing Process Equipment
• Data Center Power Distribution
• Healthcare Facility Critical Systems
• Educational Institution Electrical Systems

Why Choose Mersen Quality?

Mersen fuses deliver proven reliability with RoHS compliant construction and advanced SmartSpot indication technology. The GMG body insulating material and tin-plated copper ferrule terminals ensure long-term performance and dependable overcurrent protection in professional electrical applications.