Mersen A2D-R Class RK1 Time-Delay Fuse 70A 250VAC/250VDC with SmartSpot Indication

Mersen A2D-R Class RK1 Time-Delay Fuse 70A 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 70A applications at 250VAC/250VDC. Featuring SmartSpot visual indication technology and blade terminal connections, this Amp-Trap 2000 series fuse provides professional-grade protection with clear blown fuse identification. The PolyTube body construction and tin-plated copper terminals ensure durability and reliable connections in demanding electrical environments.

Professional Features & Benefits

• 70A Current Rating: Provides precise overcurrent protection for medium-duty electrical circuits and equipment applications.
• Class RK1 Performance: Delivers superior current-limiting characteristics and high interrupting capacity for enhanced system protection.
• Time-Delay Characteristic: Allows temporary overloads while providing fast protection against short circuits and sustained overcurrent conditions.
• SmartSpot Visual Indication: Enables quick identification of blown fuses, reducing troubleshooting time and improving maintenance efficiency.
• 250VAC/250VDC Dual Rating: Versatile voltage compatibility for both AC and DC applications in diverse electrical systems.
• 200 kA Interrupting Capacity: High fault current interrupting capability ensures reliable protection in high-energy electrical systems.
• Blade Terminal Design: Provides secure clip mounting and reliable electrical connections for professional installations.

Technical Specifications

• Ac Max I R Breaking Capacity I1: 200 kA
• Ac Or Dc: AC/DC
• Ampere Rating: 70 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: 5.88 in
• Product Weight: 0.295 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
• Industrial Machinery and Process Equipment
• Renewable Energy and Battery Storage Systems
• Emergency Power and UPS Applications
• Professional Electrical Maintenance and Repair

Why Choose Mersen Quality?

Mersen A2D-R fuses combine proven Class RK1 performance with innovative SmartSpot indication technology. The PolyTube body construction and tin-plated copper terminals deliver long-term reliability, while RoHS compliance ensures environmental responsibility. With 200 kA interrupting capacity and dual AC/DC voltage rating, these fuses provide comprehensive protection for demanding professional applications.