Littelfuse FLNR040 L-FSE FLNR040 40A 250V RK5 TD Fuse

Product Description

The Littelfuse FLNR040 is a Class RK5 fuse with an ampere rating of 40. This LITTELFUSE INC POWER FUSE is designed with a Slo-Blo/Time Lag (T)/Time Delay opening and industrial cartridge package size. It provides excellent protection for circuits, especially those containing motors.

• Service entrance switches
• Switchboard main and feeder switches
• Motor control center mains and motor branch circuits
• 200,000 A.I.R. - Reliable interruption of all overcurrents up to 200,000 amperes.
• Faster acting short circuit protection than any non-current limiting mechanical protective device.

Product Highlights

The Littelfuse FLNR040 fuse is ideal for distribution panelboards, industrial control panels, and all general purpose circuits. It ensures reliable interruption of overcurrents and provides faster short circuit protection.

Product Information

Standard Information

• Brand: Littelfuse
• Manufacturer Part Number: FLNR040
• Country of Origin: MX

Technical Specifications

• Ampere Rating (A): 40
• VAC (V): 250
• VDC (V): 125
• Interrupting Rating: 200,000 AIC @ 250VAC
• Opening: Slo-Blo/Time Lag (T)/Time Delay
• Package Size: Industrial Cartridge
• Current Rating (Continuous) in Amps: 40
• Maximum AC Voltage (V): 250
• Maximum DC Voltage (V): 125
• Size: Industrial Cartridge
• Family style: Dual Element Fuse
• Fuse Class: Class RK5
• Indicating: No
• Interrupt Amperage: 200000
• Interrupt Voltage Type ACDC - 1: AC
• Interrupt Voltage Type ACDC - 2: AC
• Interupt Voltage Type ACDC - 3: DC
• Interrupt Voltage: 250
• interrupt Voltage (V) -2: 250
• Interupt Voltage - 3: 125
• Mounting Method: Fuse Block / Clip / Holder
• Ampere: 40 A
• Voltage rating: 250 VAC, 125 VDC
• Interrupt rating: 200 kA at 250 VAC, 20 kA at 125 VDC
• Speed: Time Delay / Slow Blow
• Class: Class RK5 Fuse
• Shape: Cartridge Fuses
• Approvals: CE, CSA, QPL, UL
• Substitute parts: Bussmann FRN-R, Mersen TR-R
• Amps: 40
• Volts AC: 250
• UL Class: RK5
• Time Delay: Yes
• Dual Element: Yes
• Physical Size: 13/16" x 3"
• Current Limiting: Yes
• Application: For All General Purpose Circuits
• AC Voltage Rating: 250
• DC Voltage Rating: 125
• DC Interrupting Rating: 20,000 AIC
• UL Listed File: E81895
• CSA Certified File: LR29862
• Brand: Littelfuse
• MPN: FLNR040
• Model: FLNR040
• Alternate Catalog Number: FLNR040.T
• Element: Dual
• Frequency Rating: 50/60 Hz
• Material: Fiber
• Mounting Type: Holder
• Series: FLNR
• Standard: Standard 248-12 UL Listed/CSA
• Sub Brand: POWR-GARD FLNR Series
• Terminal Type: Ferrule
• Type: Class RK5
• Amperage Rating: 40 A
• Interrupt Rating: 200/20 kA
• Voltage Rating: 250 VAC/125 VDC