Mersen A4BQ601 Class L Time-Delay Fuse – 601A – 600VAC/500VDC – Amp-Trap 2000® Blade Fuse

The Mersen A4BQ601 is a heavy-duty Amp-Trap 2000® Class L time-delay fuse designed for industrial and commercial power distribution systems requiring dependable overcurrent protection and high fault-current interruption capability. Rated at 601 Amps, this current-limiting fuse is engineered to withstand temporary motor starting currents and transformer inrush while providing rapid fault clearing during overload and short-circuit conditions. With voltage ratings of 600VAC and 500VDC, it is ideal for service entrance equipment, feeders, switchgear, and large electrical distribution systems.

Voltage and Rating

• Current Rating: 601 Amps
• Voltage Rating: 600VAC / 500VDC
• Frequency: 50/60 Hz
• Fuse Class: Class L
• Fuse Type: Time-Delay, Current-Limiting

Key Specifications

• Product Type: Industrial Power Fuse
• Series: Amp-Trap 2000® A4BQ
• Part Number: A4BQ601
• 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: Main service entrances, feeder circuits, transformers, switchboards, and industrial power systems
• Coordination Type: Supports selective coordination with downstream protective devices
• Construction Features: High interrupting capacity, low let-through energy, rugged industrial-grade design
• System Integration: Suitable for commercial, industrial, and critical power distribution applications

Standards and Approvals

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

Product Data

• Manufacturer: Mersen / Ferraz Shawmut
• Series: Amp-Trap 2000®
• Part Number: A4BQ601
• EAN/UPC: 782001939427

Applications

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

Returns are easy

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

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