Mersen Class J Time-Delay Fuse 400A 600VAC/500VDC with SmartSpot Indication System

Mersen Class J Time-Delay Fuse 400A 600VAC/500VDC with SmartSpot Indication System

Professional Power Protection with Advanced Fault Indication Technology

The Mersen Class J Time-Delay Fuse delivers reliable overcurrent protection with 400A rating for both AC (600V) and DC (500V) applications. Featuring SmartSpot indication system for visual fault status, brass blade terminals for secure connections, and GMG insulating material construction. This Amp-Trap 2000 series fuse provides 200 kA breaking capacity with clip or bolted mounting flexibility for professional electrical installations.

Professional Features & Benefits

• 400A Current Rating: Handles high-amperage loads with reliable overcurrent protection for demanding electrical systems.
• Dual Voltage Capability: Supports both 600VAC and 500VDC applications, providing versatile installation options across AC and DC circuits.
• SmartSpot Indication System: Visual fault indication technology enables quick status assessment and reduces troubleshooting time during maintenance.
• 200 kA Breaking Capacity: High interrupting rating ensures safe fault current interruption in high-energy electrical systems.
• Class J Time-Delay Characteristics: Provides selective coordination with downstream protective devices while allowing temporary overloads.
• Brass Blade Terminals: Corrosion-resistant connection terminals ensure reliable electrical contact and long-term performance.
• GMG Insulating Material: Professional-grade body construction provides excellent electrical insulation and mechanical durability.

Technical Specifications

• Ac Max I R Breaking Capacity I1: 200 kA
• Ac Or Dc: AC/DC
• Ampere Rating: 400 A
• Body Insulating Material: GMG
• Connection Terminal Material: Brass
• Connection Terminal Type: Blade
• Frequency Hz : 50/60 Hz
• Fuse Class: Class J
• Indication System: Yes
• Indication System Type: SmartSpot�
• Mounting Method: Clip or Bolted
• Product Length: 7.13 in
• Product Weight: 1.79 lb
• Rated Voltage Ac Ul: 600 V
• Rated Voltage Dc Ul: 500 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
• Data Center Power Distribution Units
• Manufacturing Equipment Protection
• HVAC System Overcurrent Protection
• Renewable Energy System Protection
• Critical Infrastructure Facilities

Why Choose Mersen Quality?

Mersen fuses deliver proven reliability with RoHS compliant construction and professional-grade materials. The SmartSpot indication system and robust GMG insulating material ensure long-term performance in demanding electrical environments, backed by comprehensive technical specifications for professional installation confidence.