JLS050 - 50 Amp Fuse

JLS050 - 50 Amp Fuse

When you need a 50A Class J fuse, the details beyond the amp rating determine whether you've got the right match. The JLS050 is a fast-acting industrial cartridge fuse rated for 50 amps and up to 600VAC, with a 200 kA interrupting rating at 600VAC. For anyone replacing an existing JLS050, that's a straightforward specification to compare. Looking at another 50A fuse instead? Check carefully—a matching amperage doesn't necessarily mean the fuse class, voltage rating, opening characteristic, interrupting rating, or physical fit will match your equipment.

Key Features and Benefits

• 50A continuous current rating
• Maximum operating voltage of 600VAC
• Fast-acting opening characteristic
• Class J fuse configuration
• Current-limiting design
• Industrial cartridge construction
• Non-indicating configuration
• Mounts using a compatible fuse block, clip, or holder
• LFPSJ60 Series specified as the corresponding holder family
• Clearly defined electrical specifications make replacement comparisons easier

Technical Specifications

• Catalog Number: JLS050
  
• Series: JLS
  
• Product Type: Industrial cartridge fuse
  
• Continuous Current Rating: 50A
  
• Maximum AC Voltage: 600VAC
  
• Interrupting Rating: 200 kA at 600VAC
  
• Interrupt Amperage: 200,000A
  
• Interrupt Voltage Type: AC
  
• Interrupt Voltage: 600VAC
  
• Opening: Fast-Acting (F)
  
• Fuse Class: Class J
  
• Family Style: Current Limiting
  
• Size: Industrial Cartridge
  
• Indicating: No
  
• Mounting Method: Fuse Block / Clip / Holder
  
• Specified Holder Series: LFPSJ60 Series
  

Material Compliance and Certifications

The supplied product information identifies the JLS050 as a Class J, fast-acting, current-limiting industrial cartridge fuse and provides its current, voltage, interrupting, mounting, and physical configuration information.

Where It Works Best

The JLS050 suits equipment that specifically requires a 50A Class J fast-acting cartridge fuse and matches the fuse's electrical and physical specifications. It's also a logical match when replacing an existing JLS050 in equipment whose requirements haven't changed.

For other replacement situations, don't base your decision on the 50A rating alone. Confirm that the equipment calls for a Class J fuse, is compatible with the 600VAC maximum rating, and requires the same fast-acting opening characteristic. The circuit requirements should also match the fuse's 200 kA interrupting rating at 600VAC.