FLSR175-ID - 175Amp Fuse

FLSR175-ID - 175Amp Fuse

Looking for a 175A Class RK5 fuse that can handle normal, short-duration current surges without opening unnecessarily? The FLSR175-ID combines a 175-amp continuous rating, 600V AC / 300V DC capability, time-delay operation, and an indicating design in one knife-blade fuse. If you're replacing an existing fuse, though, don't stop at "175 amps." Check the entire specification, including Class RK5, voltage, time-delay characteristics, interrupting capacity, blade configuration, and indication requirements, to ensure the FLSR175-ID matches the equipment you're servicing.

Key Features and Benefits

• 175A continuous rating – Made for equipment and circuits requiring a 175-amp Class RK5 fuse.
• Rated up to 600V AC – Suitable for compatible AC applications within the published voltage rating.
• Up to 300V DC – Enables DC application capability when circuit specifications match.
• Indicating fuse design – Makes fuse-status checks more convenient during inspection and troubleshooting.
• Slo-Blo / time-delay operation – Helps accommodate acceptable short-duration inrush or startup current without opening unnecessarily.
• Dual-element construction – Provides the time-delay operating characteristics of the FLSR_ID fuse family.
• Class RK5 configuration – An important specification to match when replacing an existing fuse.
• Knife-blade style – Intended for compatible fuse blocks, clips, and holders.
  

Technical Specifications

• Catalog Number: FLSR175-ID
  
• Manufacturer Reference: FLSR175ID
  
• Series: FLSR_ID
  
• Fuse Type: Dual-Element Fuse
  
• Fuse Class: Class RK5
  
• Continuous Current Rating: 175A
  
• Maximum AC Voltage: 600V AC
  
• Maximum DC Voltage: 300V DC
  
• Opening Characteristic: Slo-Blo / Time Lag (T) / Time Delay
  
• Construction: Knife-Blade
  
• Indicating: Yes
  
• DC Interrupting Rating: 20 kA at 300V DC
  
• Manufacturer-Listed AC Interrupt Amperage: 200,000A and 300,000A at 600V AC*
  
• Mounting Method: Fuse Block / Clip / Holder
  
• PG Holder: LFR60200 Series
  

Material Compliance and Certifications

The supplied product information identifies the FLSR175-ID as a Class RK5 fuse. Exact material compliance declarations and individual UL, CSA, RoHS, or similar certification details were not included in the specifications for this catalog number.

If a particular certification or compliance standard is required for the job, verify it against current product documentation before installation. That's especially important with electrical protection equipment, where an assumption based on another fuse in the same family isn't a substitute for checking the exact catalog number.

Where It Works Best

The FLSR175-ID makes the most sense when the equipment specification calls for a 175A Class RK5 time-delay fuse rated for up to 600V AC or 300V DC. Its time-delay characteristics are useful in properly specified circuits where brief inrush or startup currents are part of normal operation.

There's also a practical maintenance benefit: this is an indicating fuse. When you're checking a system with multiple fuses, that indication can make it easier to determine fuse status and focus troubleshooting efforts where they're needed.