Mersen A6D350R Class RK1 Time-Delay Fuse – 350A – 600VAC/600VDC – Amp-Trap 2000® SmartSpot® Blade Fuse

The A6D350R is a high-performance Amp-Trap 2000® Class RK1 time-delay fuse engineered for demanding industrial and commercial power distribution systems. Designed for reliable overcurrent protection, this fuse provides excellent current-limiting performance while allowing safe passage of motor starting and transformer inrush currents. Its SmartSpot® indicator offers visual blown-fuse identification for faster maintenance and troubleshooting.

Rated at 350 Amps, this fuse operates at 600VAC and 600VDC, making it suitable for both AC and DC applications in modern electrical systems requiring high interrupting capacity and dependable coordination.

Voltage and Rating

• Current Rating: 350 Amps
• Voltage Rating: 600VAC / 600VDC
• Frequency: 50/60 Hz
• Fuse Class: RK1
• Fuse Type: Time-Delay, Current-Limiting

Key Specifications

• Product Type: Industrial Power Fuse
• Series: Amp-Trap® 2000 A6D-R
• Part Number: A6D350R
• Manufacturer: Mersen / Ferraz Shawmut
• Mounting Style: Blade
• Time-Delay Capability: Yes (motor and transformer inrush tolerant)
• Indicator: SmartSpot® blown fuse indicator
• Current Limiting: Yes

Technical Specifications

• Protection Type: Overcurrent and short-circuit protection
• Application Suitability: Feeders, transformers, service entrance equipment, switchboards, and motor circuits
• Coordination Type: High selectivity with downstream protective devices
• Construction Features: High interrupting rating, low let-through energy, visual indication system
• System Integration: Suitable for industrial and commercial power distribution systems

Standards and Approvals

• UL Listed
• CSA Certified
• Compliant with Class RK1 fuse standards

Applications

• Industrial power distribution systems
• Feeder circuit protection
• Motor and transformer protection
• Switchboards and switchgear assemblies
• Service entrance equipment
• Commercial and heavy industrial installations
• High fault current environments

Returns are easy

You may return items within 30 days of delivery for a refund.

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