A4J150 - 150 Amp Class J Fast Acting Fuse

A4J150 - 150 Amp Industrial Circuit Protection Fuse

Meet the powerhouse of industrial circuit protection—the A4J150 Fuse by Amp‑Trap®. Engineered as a fast‑acting, current‑limiting Class J fuse, it delivers top-tier safety for both AC (up to 600 VAC) and DC (up to 300 VDC) electrical systems. Featuring an impressive 200 kA interrupting rating, this compact blade‑type fuse keeps your equipment safe from harmful overloads and short circuits. Built tough for durability and reliability, it’s the go‑to choice for industrial panels, control circuits, motor starters, and power distribution systems.

Key Features and Benefits

• Fast‑Acting Response: Cuts off electricity instantly to stop short circuits and overloads, protecting your gear and reducing unplanned downtime.
• Current‑Limiting Design: Minimizes energy unleashed during faults, securing downstream components and circuit integrity.
• High Interrupting Capability: With a powerful 200 kA rating, it handles extreme fault conditions with confidence.
• Universal for AC & DC: Ideal for diverse applications—motor controls, industrial machines, solar systems, and backup generators.
• Sturdy Brass Alloy Blade: Ensures reliable conductivity and a solid connection that lasts.
• Hassle‑Free Installation: Slim 41 mm profile and blade mount streamline fuse changes and maintenance.
  

Technical Specifications

• Ampere Rating: 150 A
  
• Voltage Rating (AC): 600 VAC
  
• Voltage Rating (DC): 300 VDC
  
• Frequency: 50/60 Hz
  
• Speed: Fast‑Acting
  
• Fuse Class: J
  
• Mounting: Clip‑in/blade type
  
• Interrupting Capacity (AC): 200 kA max
  
• Blade Material: Brass alloy
  
• Diameter: 41.3 mm
  
• Length: 146 mm
  
• Weight: 0.342 kg
  

Material Compliance and Certifications

• RoHS Compliant: Safe for people and planet—free of lead, mercury, cadmium, and other harmful substances.
• UL Listed: Meets strict Underwriters Laboratories standards for safety and quality—so you can trust its performance under pressure.
  

Suitability

• Tailored for industrial environments, the A4J150 excels in protecting electrical panels, motor control centers, and power distribution setups. Its fast‑acting design is perfect for applications where instantaneous interruption prevents expensive equipment damage—from factories to solar power systems. Thanks to its dual AC/DC rating, it’s a smart, all‑round choice for sectors like pump control, HVAC, battery storage, and backup power.