Mersen A4BY1600 Class L Time-Delay Fuse – 1600A – 600VAC/300VDC – Amp-Trap® Blade Fuse

The Mersen A4BY1600 is a high-capacity Amp-Trap® Class L time-delay fuse designed for heavy-duty industrial and commercial power distribution systems. Rated at 1600 Amps, this current-limiting fuse provides reliable protection against overloads and short circuits while accommodating motor starting currents and transformer inrush conditions. With voltage ratings of 600VAC and 300VDC, it is ideally suited for service entrances, large feeder circuits, switchgear, and high-capacity electrical distribution equipment where dependable fault protection and selective coordination are critical.

Voltage and Rating

• Current Rating: 1600 Amps
• Voltage Rating: 600VAC / 300VDC
• Frequency: 50/60 Hz
• Fuse Class: Class L
• Fuse Type: Time-Delay, Current-Limiting

Key Specifications

• Product Type: Industrial Power Fuse
• Series: Amp-Trap® A4BY
• Part Number: A4BY1600
• Manufacturer: Mersen / Ferraz Shawmut
• Mounting Style: Blade
• Time-Delay Capability: Yes (motor and transformer inrush tolerant)
• Current Limiting: Yes

Technical Specifications

• Protection Type: Overcurrent and short-circuit protection
• Application Suitability: Service entrances, large feeder circuits, transformers, switchboards, and industrial power distribution systems
• Coordination Type: Supports selective coordination with downstream protective devices
• Construction Features: High interrupting capacity, low let-through energy, rugged industrial-grade construction
• System Integration: Designed for commercial, industrial, and critical power applications

Standards and Approvals

• UL Listed
• CSA Certified
• Compliant with Class L fuse protection requirements

Product Data

• Manufacturer: Mersen / Ferraz Shawmut
• Series: Amp-Trap®
• Part Number: A4BY1600
• EAN/UPC: 782001939205

Applications

• Industrial power distribution systems
• Commercial electrical service equipment
• Main service entrance protection
• Large feeder circuit protection
• Transformer protection
• Switchboards and switchgear assemblies
• Motor control and protection systems
• Critical infrastructure facilities
• Manufacturing and processing plants
• Utility and energy distribution systems
• High fault current environments

Returns are easy

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

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