Mersen Class J Time-Delay Fuse 30A 600VAC/400VDC with SmartSpot Indication

Mersen Class J Time-Delay Fuse 30A 600VAC/400VDC with SmartSpot Indication

Professional Circuit Protection with Visual Status Indication

The Mersen Class J Time-Delay Fuse delivers reliable 30A circuit protection for both AC and DC applications, rated for 600VAC and 400VDC operation. Featuring SmartSpot visual indication technology and ferrule terminals with tin-plated copper construction, this fuse provides professional-grade protection with clear operational status feedback for critical electrical systems.

Professional Features & Benefits

• 30A Current Rating: Provides precise overcurrent protection for medium-duty electrical circuits and equipment loads.
• Class J Design: Delivers current-limiting performance with rejection-style mounting for enhanced safety and system coordination.
• Time-Delay Characteristic: Allows temporary overloads while providing fast fault clearing, ideal for motor and inductive load applications.
• SmartSpot Indication: Visual status indicator clearly shows fuse condition, enabling quick maintenance assessment and reducing downtime.
• 200 kA Breaking Capacity: High interrupting rating ensures reliable fault clearing in demanding electrical environments.
• Dual Voltage Rating: 600VAC/400VDC capability provides versatility for both AC power systems and DC applications.
• Ferrule Terminals: Tin-plated copper construction ensures reliable connections and corrosion resistance in professional installations.

Technical Specifications

• Ac Max I R Breaking Capacity I1: 200 kA
• Ac Or Dc: AC/DC
• Ampere Rating: 30 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

• Motor Control Centers and Industrial Equipment Protection
• Commercial HVAC and Lighting Systems
• Power Distribution Panels and Switchgear
• DC Power Systems and Battery Backup Applications
• Manufacturing and Process Control Equipment
• Emergency Power and Critical Load Circuits
• Electrical Maintenance and Replacement Projects

Why Choose Mersen Quality?

Mersen fuses deliver proven reliability with RoHS compliant construction and professional-grade materials including GMG insulating body and tin-plated copper terminals. The SmartSpot indication system and 200 kA breaking capacity ensure dependable performance and clear operational feedback for critical electrical protection applications.