Mersen Class J Time-Delay Fuse 70A 600VAC/400VDC with SmartSpot Indication System

Mersen Class J Time-Delay Fuse 70A 600VAC/400VDC with SmartSpot Indication System

Professional Circuit Protection with Visual Indication Technology

Mersen Class J Time-Delay Fuse delivers reliable circuit protection with 70A rating for both AC and DC applications. Featuring 600VAC/400VDC dual voltage capability and SmartSpot visual indication system, this blade-type fuse provides professional-grade protection with 200 kA breaking capacity. The tin-plated copper terminals and GMG body construction ensure dependable performance in demanding electrical environments.

Professional Features & Benefits

• 70A Current Rating: Provides precise overcurrent protection for medium-duty electrical circuits and equipment.
• 600VAC/400VDC Dual Voltage: Versatile voltage compatibility supports both AC and DC applications in a single fuse design.
• 200 kA Breaking Capacity: High interrupting rating ensures safe fault current interruption in high-energy electrical systems.
• SmartSpot Indication System: Visual indication technology provides immediate blown fuse identification for faster troubleshooting and maintenance.
• Class J Time-Delay Characteristic: Allows temporary overloads while providing fast protection against short circuits and sustained overcurrent conditions.
• Tin-Plated Copper Terminals: Corrosion-resistant blade connections ensure reliable electrical contact and long-term performance.
• GMG Body Construction: High-grade insulating material provides excellent arc quenching and thermal performance.

Technical Specifications

• Ac Max I R Breaking Capacity I1: 200 kA
• Ac Or Dc: AC/DC
• Ampere Rating: 70 A
• Body Insulating Material: GMG
• Connection Terminal Material: Tin-Plated Copper
• 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: 4.63 in
• Product Weight: 0.241 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 Panels
• HVAC Equipment Protection
• Power Distribution Systems
• Manufacturing Equipment
• Data Center Infrastructure
• Emergency Power Systems

Why Choose Mersen Quality?

Mersen fuses deliver proven reliability with RoHS compliant construction and professional-grade materials. The SmartSpot indication system and high breaking capacity provide enhanced safety and maintenance efficiency, while the dual voltage rating offers versatile application flexibility for demanding electrical protection requirements.