Mersen Class RK1 Time-Delay Fuse 90A 600VAC/600VDC with SmartSpot Indication System

Mersen Class RK1 Time-Delay Fuse 90A 600VAC/600VDC with SmartSpot Indication System

Professional Circuit Protection with Advanced Indication Technology

The Mersen Class RK1 Time-Delay Fuse delivers reliable circuit protection for demanding electrical applications with 90A current rating and dual 600VAC/600VDC voltage capability. Featuring advanced SmartSpot indication technology and robust PolyTube construction with tin-plated copper blade terminals, this professional-grade fuse provides superior performance and visual status monitoring for critical electrical systems.

Professional Features & Benefits

• 90A Current Rating: Handles substantial electrical loads while providing precise overcurrent protection for demanding applications.
• 600VAC/600VDC Dual Voltage: Versatile voltage compatibility supports both AC and DC systems up to 600V for flexible installation options.
• Class RK1 Performance: Superior current-limiting characteristics and high interrupting capacity minimize system stress and enhance safety.
• SmartSpot Indication System: Visual indication technology provides immediate fuse status confirmation, reducing troubleshooting time and improving maintenance efficiency.
• 200 kA Breaking Capacity: Exceptional fault current interruption capability ensures reliable protection even under severe fault conditions.
• Time-Delay Characteristics: Allows temporary overloads while providing fast response to fault conditions, ideal for motor and transformer applications.
• Blade Terminal Design: Tin-plated copper terminals with clip mounting ensure secure connections and easy installation in compatible fuse holders.

Technical Specifications

• Ac Max I R Breaking Capacity I1: 200 kA
• Ac Or Dc: AC/DC
• Ampere Rating: 90 A
• Body Insulating Material: PolyTube
• Connection Terminal Material: Tin-Plated Copper
• Connection Terminal Type: Blade
• Frequency Hz : 50/60 Hz
• Fuse Class: Class RK1
• Indication System: Yes
• Indication System Type: SmartSpot�
• Mounting Method: Clip
• Product Length: 7.88 in
• Product Weight: 0.618 lb
• Rated Voltage Ac Ul: 600 V
• Rated Voltage Dc Ul: 600 V
• Speed Characteristic: Time Delay

Installation & Operation

1. Mount the fuse in a suitable fuse holder 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
• Power Distribution Equipment
• Transformer Protection Systems
• Heavy-Duty Electrical Equipment
• Critical Infrastructure Protection
• Manufacturing Facility Power Systems

Why Choose Mersen Quality?

Mersen delivers proven reliability through advanced SmartSpot indication technology, robust PolyTube construction, and exceptional 200 kA breaking capacity. The tin-plated copper terminals and Class RK1 performance standards ensure long-term durability and consistent protection in demanding electrical environments.