Mersen Class RK1 Time-Delay Fuse 20A 600VAC/600VDC with SmartSpot Indication System

Mersen Class RK1 Time-Delay Fuse 20A 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. Featuring 20A amperage rating and dual 600VAC/600VDC voltage capability, this professional-grade fuse incorporates SmartSpot indication technology for enhanced operational visibility. The ferrule terminal design with tin-plated copper construction ensures secure connections and long-term reliability in critical power distribution systems.

Professional Features & Benefits

• 20A Amperage Rating: Provides precise overcurrent protection for medium-load electrical circuits and equipment.
• 600VAC/600VDC Dual Voltage: Versatile voltage compatibility supports both AC and DC applications in commercial and industrial systems.
• Class RK1 Performance: Superior current-limiting characteristics minimize let-through energy and protect downstream equipment.
• SmartSpot Indication System: Visual indication technology enables quick fuse status identification for efficient maintenance and troubleshooting.
• Time-Delay Characteristic: Allows temporary overloads while providing fast response to fault conditions, ideal for motor and inductive load protection.
• 200 kA Breaking Capacity: High interrupting rating handles severe fault currents in demanding electrical environments.
• Ferrule Terminal Design: Tin-plated copper terminals ensure reliable connections and resist corrosion in various operating conditions.

Technical Specifications

• Ac Max I R Breaking Capacity I1: 200 kA
• Ac Or Dc: AC/DC
• Ampere Rating: 20 A
• Body Insulating Material: PolyTube
• Connection Terminal Material: Tin-Plated Copper
• Connection Terminal Type: Ferrule
• Frequency Hz : 50/60 Hz
• Fuse Class: Class RK1
• Indication System: Yes
• Indication System Type: SmartSpot�
• Mounting Method: Clip
• Product Length: 5 in
• Product Weight: 0.146 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 or disconnect 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 Variable Frequency Drives
• Industrial Control Panels and Automation Systems
• Commercial HVAC and Lighting Control Systems
• Power Distribution Equipment and Switchgear
• Process Control and Manufacturing Equipment
• Emergency Power and Backup Systems
• Renewable Energy and Solar Installations

Why Choose Mersen Quality?

Mersen fuses deliver proven reliability with advanced SmartSpot indication technology and robust PolyTube construction. The Class RK1 design with 200 kA breaking capacity ensures superior protection performance, while tin-plated copper terminals provide long-term connection integrity in demanding electrical environments.