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FLSR02 industrial & electrical fuse Series
littelfuseClass RK5 slow-blow fuses for industrial electrical protection
The FLSR02 series from Littelfuse is a line of Class RK5 slow-blow fuses designed for industrial electrical protection applications. These fuses are specifically engineered to handle inrush currents without immediate tripping, which makes them ideal for motors, transformers, and other equipment that experience high initial current draws during startup. If you're working on projects involving these types of loads, these fuses can be a reliable choice.
One thing worth noting is their ability to provide protection against overcurrent conditions without interrupting the circuit during normal operation. This characteristic is particularly useful in industrial settings where downtime due to false trips can be costly. Engineers tend to reach for this type of fuse when they need a balance between robust protection and operational reliability. Additionally, the slow-blow feature helps in protecting sensitive electronic components by allowing momentary overcurrents to pass through without tripping the fuse, thereby extending the lifespan of connected devices.
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Frequently Asked Questions
FLSR02 industrial & electrical fuse - Part List
14 parts in total| Mfr Part # | Quantity Available | Price | Category | RoHS | Voltage Rating | Fuse Type | MOQ | Product | Unit Pack | Product Category | Standard Package | Current | Indicator | Interrupt Output | Current Rating (Max) | Mounting Type | Mounting Style | Package / Case | Size / Dimension | Termination Style | Supplier Device Package | Series | Fuse Size | Product Type | Factory Pack Quantity | Type | Packaging |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 FLSR02.5T Industrial & Electrical Fuses 2.5A 600VAC 300VDC Class RK5 FUS 600V T/D CLASS RK5 2.5A FUSE 2.5A 600V NON STD SLOW Littelfuse | 0 | - | No | 600 V | Time Delay / Slow Blow | 1 | Industrial Power Fuses | 0 | Industrial & Electrical Fuses | 10 | 2.5A | Without Indicator | 200 kA at 600 VAC / 20 kA at 300 VDC | 2.5 A | Holder | Holder | Cartridge, Non-Standard | 0.811" Dia x 5.000" L (20.60mm x 127.00mm) | Clip | Cartridge Fuses | FLSR | Class RK5 | Class RK5 Fuse | 10 | Power Guard | Bulk | |
 FLSR020.T Industrial & Electrical Fuses 20A 600VAC 300VDC Class RK5 FUS 600V T/D CLASS RK5 20A FUSE DUAL ELEMENT T-LAG 20A 600V FUSE-RK5600VAC/300VDCTDUL Littelfuse | 0 | - | No | 600 V | Time Delay / Slow Blow | 1 | Industrial Power Fuses | 0 | Industrial & Electrical Fuses | 10 | 20A | Without Indicator | 200 kA at 600 VAC / 20 kA at 300 VDC | 20 A | Holder | Holder | Cartridge, Non-Standard | 0.811" Dia x 5.000" L (20.60mm x 127.00mm) | Clip | Cartridge Fuses | FLSR | Class RK5 | Class RK5 Fuse | 10 | Power Guard | Bulk | |
 FLSR025.TXID Industrial & Electrical Fuses 25A 600VAC 300VDC Class RK5 FUS 600V T/D CLASS RK5 25A INDICATING FUSE DUAL ELEMENT T-LAG 25A 600V Littelfuse | 0 | - | No | 600 V | Time Delay / Slow Blow | 1 | Industrial Power Fuses | 0 | Industrial & Electrical Fuses | 10 | 25A | Open Fuse | 300 kA at 300 VAC / 200 kA at 600 VAC / 20 kA at 300 VDC | 25 A | Holder | Holder | Cylindrical, Alarm Indicating | 0.811" Dia x 5.000" L (20.60mm x 127.00mm) | Clip | Cartridge Fuses | FLSR_ID | Class RK5 | Class RK5 Fuse | 10 | Power Guard | Bulk | |
FLSR02.8T Industrial & Electrical Fuses 2.8A 600VAC 300VDC Class RK5 FUS 600V T/D CLASS RK5 2.8A FUSE 2.8A 600V NON STD SLOW Littelfuse | 0 | - | No | 600 V | Time Delay / Slow Blow | 1 | Industrial Power Fuses | 0 | Industrial & Electrical Fuses | 10 | 2.8A | Without Indicator | 200 kA at 600 VAC / 20 kA at 300 VDC | 2.8 A | Holder | Holder | Cartridge, Non-Standard | 0.811" Dia x 5.000" L (20.60mm x 127.00mm) | Clip | Cartridge Fuses | FLSR | Class RK5 | Class RK5 Fuse | 10 | Power Guard | Bulk | |
FLSR02.8TXID Industrial & Electrical Fuses 2.8A 600VAC 300VDC Class RK5 FUS 600V T/D CLASS RK5 2.8A INDICATING FUSE 2.8A 600V NON STD SLOW Littelfuse | 0 | - | No | 600 V | Time Delay / Slow Blow | 1 | Industrial Power Fuses | 0 | Industrial & Electrical Fuses | 10 | 2.8A | Open Fuse | 300 kA at 300 VAC / 200 kA at 600 VAC / 20 kA at 300 VDC | 2.8 A | Holder | Holder | Cylindrical, Alarm Indicating | 0.811" Dia x 5.000" L (20.60mm x 127.00mm) | Clip | Cartridge Fuses | FLSR_ID | Class RK5 | Class RK5 Fuse | 10 | Power Guard | Bulk | |
FLSR020.TXID Industrial & Electrical Fuses 20A 600VAC 300VDC Class RK5 FUS 600V T/D CLASS RK5 20A INDICATING FUSE DUAL ELEMENT T-LAG 20A 600V Littelfuse | 0 | - | No | 600 V | Time Delay / Slow Blow | 1 | Industrial Power Fuses | 0 | Industrial & Electrical Fuses | 10 | 20A | Open Fuse | 300 kA at 300 VAC / 200 kA at 600 VAC / 20 kA at 300 VDC | 20 A | Holder | Holder | Cylindrical, Alarm Indicating | 0.811" Dia x 5.000" L (20.60mm x 127.00mm) | Clip | Cartridge Fuses | FLSR_ID | Class RK5 | Class RK5 Fuse | 10 | Power Guard | Bulk | |
FLSR020 Industrial & Electrical Fuses 20 AMP 600V SLO BLO Fuse Class RK5 Slow Blow Acting 20A 600V Holder Cartridge 20.6 X 127mm Littelfuse | 17 | 1: ¥156.944 | - | No | 600 V | Time Delay / Slow Blow | - | Industrial Power Fuses | - | Industrial & Electrical Fuses | - | - | Without Indicator | 200 kA at 600 VAC / 20 kA at 300 VDC | 20 A | - | Holder | - | - | Clip | Cartridge Fuses | FLSR | Class RK5 | Class RK5 Fuse | - | - | - |
 FLSR025.T FUSE DUAL ELEMENT T-LAG 25A 600V FUS 600V T/D CLASS RK5 25A Industrial & Electrical Fuses 25A 600VAC 300VDC Class RK5 Littelfuse Inc | 10 | 1: ¥150.96 | - | Contains lead / RoHS non-compliant | 600VAC, 300VDC | Slow Blow, Time Lag | 1 | Industrial Power Fuses | 0 | Industrial & Electrical Fuses | 10 | 25A | Without Indicator | 200 kA at 600 VAC / 20 kA at 300 VDC | 25 A | Holder | Holder | Cartridge, Non-Standard | 0.811" Dia x 5.000" L (20.60mm x 127.00mm) | Clip | Cartridge Fuses | FLSR | Class RK5 | Class RK5 Fuse | 10 | Power Guard | - |
| 10 | 10: ¥187.9452 | - | Contains lead / RoHS non-compliant | 600VAC, 300VDC | Slow Blow, Time Lag | 1 | - | 0 | - | 10 | 2.5A | - | - | - | Holder | - | Cylindrical, Alarm Indicating | 0.811" Dia x 5.000" L (20.60mm x 127.00mm) | - | - | - | - | - | - | - | - |
| 5000 | 1: ¥118.728 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
FLSR025 Fuse Class RK5 25A 600V Slow Blow 2-Pin Cartridge Holder Fuse Class RK5 2.5A 600V Slow Blow 2-Pin Cartridge Holder Littelfuse | 5000 | 1: ¥113.084 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 5000 | 1: ¥118.728 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |