Mersen OTS125 Fuse – Class K5 – 125A – 600VAC/300VDC – Fast-Acting Blade Fuse (Amp-Trap® OTS Series)

The Mersen OTS125 is a Class K5 fast-acting fuse designed for reliable overcurrent and short-circuit protection in industrial and commercial electrical systems. Rated at 125 Amps, this Amp-Trap® fuse provides rapid fault interruption to protect conductors, switchgear, and downstream equipment from damage caused by electrical faults. With voltage ratings of 600VAC and 300VDC, it is suitable for AC and DC distribution systems requiring fast response and dependable protection.

Voltage and Rating

• Current Rating: 125 Amps
• Voltage Rating: 600VAC / 300VDC
• Frequency: 50/60 Hz
• Fuse Class: Class K5
• Fuse Type: Fast-Acting (Fast-Blow)

Key Specifications

• Product Type: Industrial Fast-Acting Fuse
• Series: Amp-Trap® OTS
• Part Number: OTS125
• Manufacturer: Mersen
• Mounting Style: Blade
• Response Type: Fast-acting for immediate fault clearing
• Performance Class: Class K5 high interrupting capacity

Technical Specifications

• Protection Type: Overcurrent and short-circuit protection for industrial circuits
• Application Suitability: Distribution panels, feeders, motor control systems, and industrial machinery
• Coordination Type: Designed for selective coordination in low-voltage systems
• Construction Features: High interrupting capacity, fast response time, and compact blade design
• System Integration: Suitable for AC and DC power distribution systems

Standards and Approvals

• UL Listed
• CSA Certified
• Class K5 industrial fuse standard compliant
• IEC equivalent industrial protection standards (where applicable)

Product Data

• Manufacturer: Mersen
• Series: Amp-Trap® OTS
• Part Number: OTS125
• EAN/UPC: 782001700911

Applications

• Industrial power distribution systems
• Motor control centers (MCCs)
• Electrical feeders and branch circuits
• HVAC systems and compressors
• Commercial and industrial machinery
• Control panels and switchgear
• Low-voltage AC/DC applications
• Equipment requiring fast fault protection

Returns are easy

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

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