Mersen A2D-R Class RK1 Time-Delay Fuse 50A 250VAC/250VDC with SmartSpot Indication

Mersen A2D-R Class RK1 Time-Delay Fuse 50A 250VAC/250VDC with SmartSpot Indication

Professional Time-Delay Protection with Visual Indication Technology

The Mersen A2D-R Class RK1 time-delay fuse delivers reliable overcurrent protection for 50A applications at 250VAC/250VDC. Featuring SmartSpot visual indication technology and ferrule terminals with tin-plated copper construction, this Amp-Trap 2000 series fuse provides professional-grade protection with clear status monitoring for critical electrical systems.

Professional Features & Benefits

• 50A Current Rating: Provides precise overcurrent protection for medium-duty electrical circuits and equipment applications.
• Class RK1 Time-Delay: Offers superior selectivity and coordination while allowing temporary overloads, reducing nuisance tripping in motor and inductive load applications.
• SmartSpot Visual Indication: Enables quick visual identification of blown fuses, reducing troubleshooting time and improving maintenance efficiency.
• 200 kA Breaking Capacity: Delivers exceptional fault current interruption capability for demanding industrial and commercial applications.
• Dual Voltage Rating 250VAC/250VDC: Versatile design accommodates both AC and DC applications with consistent protection performance.
• Ferrule Terminal Design: Tin-plated copper terminals ensure reliable connections and corrosion resistance for long-term performance.
• RoHS Compliant Construction: Meets environmental standards while maintaining professional reliability and safety requirements.

Technical Specifications

• Ac Max I R Breaking Capacity I1: 200 kA
• Ac Or Dc: AC/DC
• Ampere Rating: 50 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: 3 in
• Product Weight: 0.119 lb
• Rated Voltage Ac Ul: 250 V
• Rated Voltage Dc Ul: 250 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
• Process Control and Automation Equipment
• Emergency Power and UPS Systems
• Manufacturing and Production Facilities
• Data Centers and Critical Infrastructure

Why Choose Mersen Quality?

Mersen A2D-R fuses combine proven Class RK1 time-delay technology with advanced SmartSpot indication systems and RoHS compliant construction. The tin-plated copper ferrule terminals and PolyTube insulating material ensure reliable performance and long service life in demanding professional applications.