
FRS-R-6-1 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $34.99 | Condition is Seller refurbished, Lot of 3 - FRS-R-6-1/4 Bussmann 6.25 Amp Fuse Class RK5 - Next Day Option, FREE SHIPPING | ![]() |
![]() | $74.99 | Top Pick! Condition is Seller refurbished, Lot of 3 - FRS-R-6-1/4 Bussmann 6.25 Amp Fuse Class RK5 - Next Day Option, FREE SHIPPING | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $2.99 | Condition is New – Open box, Bussmann Fusetron FRS-R-6-1/4 Current Limiting Time Delay Fuse RK5 Dual Element, shipping cost = $7.29 | 100.0% |
![]() | $7.99 | Condition is New – Open box, One Buss Bussmann Fusetron FRS-R-6-1/4 6.25 6-1/4 Amp Fuse, shipping cost = $4.75 | 99.3% |
![]() | $3.99 | Condition is New – Open box, BUSSMANN Fusetron All Purpose Dual Element Time Delay Class RK5 Fuse FRS-R-61/4, shipping cost = $10.90 | 100.0% |
![]() | $10.95 | Condition is New – Open box, BUSSMANN FRS-R-6-1/4 NSNB - CLASS RK5 FUSE, shipping cost = $5.00 | 99.6% |
![]() | $11.95 | Condition is New – Open box, BUSSMANN FRS-R-6-1/4 NSNBC01, shipping cost = $5.00 | 99.6% |
![]() | $19.99 | Condition is New – Open box, COOPER BUSSMANN Fuse,RK5,Ser FRS-R,6-1/4 A,600VAC/300VDC, FRS-R-6-1/4, FREE SHIPPING | 100.0% |
![]() | $12.00 | Condition is New – Open box, Bussmann FRS-R-6-1/4 Fusetron Time Delay Fuse, 6-1/4 Amp FNIP, shipping cost = $8.75 | 99.8% |
![]() | $20.00 | Condition is New – Open box, 1 lot of 4 Bussmann FRS-R-6 FRS-R-6-1/4 - Fuse. 6-1/4Amp 600VAC. Time Delay Fu, FREE SHIPPING | 99.4% |
![]() | $21.99 | Condition is New – Open box, Lot Of 4 Bussmann Fusetron FRS-R-6-1/4 Time Delay Fuses 6-1/4A 600V NOS, FREE SHIPPING | 99.8% |
![]() | $15.00 | Condition is New – Open box, Lot Of 2 Bussmann Fusetron FRS-R-6-1/4 Current Limiting Time Delay Fuse, shipping cost = $7.50 | 100.0% |
![]() | $15.00 | Condition is New – Open box, BUSSMANN FRS-R-6-1/4 FUSE LOT OF 2, shipping cost = $10.00 | 100.0% |
![]() | $25.46 | Condition is New – Open box, Bussmann Fusetron FRS-R-6-1/4 Lot of (3) Time Delay Fuses 6-1/4A 600V , FREE SHIPPING | 99.9% |
![]() | $10.00 | Condition is New – Open box, BUSSMANN FRS-R-6-1/4 NSNP, shipping cost = $16.50 | 99.9% |
![]() | $26.81 | Condition is New – Open box, 248802 Old-Stock; Bussmann FRS-R-6-1/4 Time Delay Fuse 6-1/4A; 600VAC/300VDC, FREE SHIPPING | ![]() |
![]() | $26.81 | Top Pick! Condition is New – Open box, Bussmann Fusetron Class RK5 600VAC/300VDC Fuse FRS-R-6-1/4 Lot of 2 NOS, FREE SHIPPING | ![]() |
![]() | $19.99 | Condition is New – Open box, (2C3) 3pcs - Bussmann FRS-R-6-1/4 Fuse FRSR614 , shipping cost = $8.75 | 100.0% |
![]() | $30.00 | Condition is New – Open box, BUSSMANN FRS-R-6-1/4 FUSE LOT OF 2 NSNP, FREE SHIPPING | 99.8% |
![]() | $34.99 | Condition is New – Open box, Lot of 3 - FRS-R-6-1/4 Bussmann 6.25 Amp Fuse Class RK5, FREE SHIPPING | 99.9% |
![]() | $38.77 | Condition is New – Open box, Buss FRS-R-6-1/4 Bussmann Fuse Cross Ref 4A463 (Pack of 5), FREE SHIPPING | 99.9% |
![]() | $39.95 | Condition is New – Open box, Qty Lot (4) Bussmann FusetronRK5 FRS-R-6 1/4 Fuse Dual Element Time Delay 6.25A, FREE SHIPPING | 99.7% |
![]() | $39.99 | Condition is New – Open box, Bussmann FRS-R-10 Fuse Dual-Element Time-Delay 10A 600V Fusetron (QTY 4) NEW, FREE SHIPPING | 100.0% |
![]() | $35.00 | Condition is New – Open box, Bussmann Fusetron FRS-R-6-14 Dual Element Time-Delay Class RK5 Fuse Lot Of 3, shipping cost = $16.50 | 100.0% |
![]() | $50.00 | Top Pick! Condition is New – Open box, NEW Bussmann FRS-R-6-1/4 Fusetron Dual Element Fuse 6.25A FRSR614 (Lot of 4), shipping cost = $7.49 | 99.8% |
![]() | $59.99 | Top Pick! Condition is New – Open box, NEW Bussmann FRS-R-6-1/4 Fusetron Dual Element Fuse 6.25A FRSR614 (Lot of 5), FREE SHIPPING | 99.9% |
![]() | $67.99 | Condition is New – Open box, Bussmann FRS-R-6-1/4 Fusetron (Lot Of 6)Dual Element Fuse 6.25A (LXE02J), FREE SHIPPING | 99.8% |
![]() | $89.99 | Top Pick! Condition is New – Open box, Bussmann FRS-R-6-1/4 Fuse Dual-Element Class RK5 Fusetron 6.25A (QTY 10) NEW, FREE SHIPPING | 100.0% |
![]() | $99.99 | Top Pick! Condition is New – Open box, Bussmann FRS-R-6-1/4 Fuse Dual-Element Time-Delay 6.25A 600V Fusetron (QTY 9), FREE SHIPPING | 100.0% |
![]() | $115.09 | Condition is New – Open box, Buss FRS-R-6-1/4 Bussmann Fuse Cross Ref 4A463 (Pack of 15), FREE SHIPPING | 99.9% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $9.99 | Condition is New, Large Selection of Various Bussmann Fusetron Dual Element Time-Delay Fuses, FREE SHIPPING | ![]() |
![]() | $10.99 | Condition is New, Bussmann FRS-R6-1/4, FRS-R-6-1/4, FRS-R 6.25A Fuse (Pack of 1), FREE SHIPPING | 99.9% |
![]() | $14.35 | Condition is New, Cooper Bussmann FRS-R-6-1/4ID FuseTRON Class RK5 Dual-Element Indicating Fuse, FREE SHIPPING | 99.6% |
![]() | $14.35 | Condition is New, Bussmann FRSR61/4 NSFP **GENUINE**, FREE SHIPPING | 99.6% |
![]() | $18.79 | Condition is New, Bussmann FRS-R-6-1/4 Fuse 6.25A 600V Time Delay Fusetron Dual Element, FREE SHIPPING | ![]() |
![]() | $13.03 | Condition is New, FRS-R-6-1/4 - Eaton Bussmann 6.25A 600V AC Class RK5 Time-Delay Fuse, shipping cost = $7.29 | 99.8% |
![]() | $22.77 | Top Pick! Condition is New, Eaton Bussmann Frs-R-6-1/4 Ul Class Fuse, Rk5 Class, Time-Delay, 6.25A, 600V, shipping cost = $5.00 | 99.8% |
![]() | $19.99 | Condition is New, Bussmann FRS-R-6-1/4 dual element time delay current limiting 6-1/4 amp fuse new, shipping cost = $9.00 | 99.9% |
![]() | $30.99 | Condition is New, New Bussmann FRS R 6-1/4ID 6-1/4ID Amp Indicating Fuse Class RK5 600V, FREE SHIPPING | 99.9% |
![]() | $22.09 | Condition is New, BUSSMANN FRS-R-6-1/4 DUAL ELEMENT FUSE FRS-R SERIES DUAL ELEMENT 6.25 AMP NO NEW, shipping cost = $9.90 | 99.6% |
![]() | $26.85 | Top Pick! Condition is New, Eaton Bussmann Frs-R-6-1/4Id Ul Class Fuse, Rk5 Class, Time-Delay, 6.25A, 600V, shipping cost = $5.00 | 99.8% |
![]() | $34.76 | Condition is New, 1 PC Eaton Bussmann 'FRS-R-6-1/4 UL Class Fuse, RK5 Class, Time-Delay, 6.25, shipping cost = $2.99 | 99.8% |
![]() | $32.00 | Condition is New, Eaton Bussmann UL Class Fuse, RK5 Class,, shipping cost = $5.00 | 98.7% |
![]() | $32.50 | Condition is New, 5 Bussmann FRS-R-6-1/4 Fuse Dual-Element Class RK5 Fusetron 6.25A, shipping cost = $6.25 | 99.9% |
![]() | $33.84 | Top Pick! Condition is New, BUSSMANN FRS-R-6-1/4 Fuse,Class RK5,6-1/4A,FRS-R Series 4A463, shipping cost = $6.99 | ![]() |
![]() | $39.94 | Condition is New, Cooper Bussmann 300 VDC, 600 VAC, 6.25 Amp, Time Delay General Purpose Fuse F..., FREE SHIPPING | 99.8% |
![]() | $38.65 | Condition is New, BUSSMANN FRS-R-6-1-4ID Fuse,Class RK5,6-1/2A,FRS-R-ID Series 3FKK7, shipping cost = $6.99 | ![]() |
![]() | $50.03 | Condition is New, Bussmann FRS-R6-1/4, FRS-R-6-1/4, FRS-R 6.25A Fuse (Pack of 5), FREE SHIPPING | 99.9% |
![]() | $55.47 | Condition is New, Bussmann FRS-R-6-1/4 Fuse Dly Time 6.25A 600 VAC/300 VDC RK5, FREE SHIPPING | ![]() |
![]() | $60.44 | Condition is New, Pack of 6 Bussmann FRS-R-6-1/4 FRSR-6-1/4 6.25A 600VAC Fuse, FREE SHIPPING | 99.9% |
![]() | $98.18 | Condition is New, Pack of 10 Bussmann FRS-R-6-1/4 FRSR-6-1/4 6.25A 600VAC Fuse, FREE SHIPPING | 95.5% |
![]() | $98.40 | Condition is New, Pack of 10 Bussmann FRS-R-6-1/4 FRSR-6-1/4 6.25A 600VAC Fuse, FREE SHIPPING | 99.9% |
![]() | $160.24 | Condition is New, LOT OF 5 NEW BUSSMANN FRS-R-6-1/4 FUSES, FREE SHIPPING | 99.6% |
![]() | $190.51 | Condition is New, Bussmann FRS-R-6-1/4 Fusetron Fuse FRSR614 (Pack of 6) - New No Box, FREE SHIPPING | 99.6% |
![]() | $221.54 | Condition is New, Bussmann FRS-R-6-1/4 Fusetron Fuse FRSR614 (Pack of 7) - New No Box, FREE SHIPPING | 99.6% |
![]() | $314.63 | Condition is New, Bussmann FRS-R-6-1/4 Fusetron Fuse FRSR614 (Pack of 10), FREE SHIPPING | 99.6% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $7.99 | Condition is Used, Bussmann Fusetron FRS-R-6-1/4 Fuse 6.25A Class RK5 600VAC 300VDC (Lot of 2), FREE SHIPPING | 100.0% |
![]() | $3.49 | Condition is Used, Bussmann FRS-R-6 1/4 Time-delay Fuse Class RK5 6 1/4 Amps 600 VAC/300 VDC Tested, shipping cost = $5.72 | ![]() |
![]() | $1.02 | Condition is Used, Cooper Bussmann FRS-R-6-1/4 Class RK5 Fuse USIP, shipping cost = $8.75 | 99.8% |
![]() | $2.50 | Condition is Used, BUSSMANN FRS-R-6-1/4- 6-1/4AMP, 600V, CLASS RK5 FUSE, shipping cost = $7.00 | 100.0% |
![]() | $9.99 | Condition is Used, COOPER BUSSMANN FRS-R-6-1/4 FUSETRON ENERGY EFFICIENT FUSE 600VAC #08I12, FREE SHIPPING | 99.9% |
![]() | $2.99 | Condition is Used, Bussmann FUSETRON FRS-R-6-1/4 Dual-Element Class RK5, 6 1/4 Amp Fuse - USED, shipping cost = $8.60 | 100.0% |
![]() | $10.00 | Condition is Used, Buss/Bussmann Cooper FRS-R-6-1/4 Fuse/Fuses 600V, FREE SHIPPING | 99.4% |
![]() | $10.27 | Condition is Used, (Lot of 3) Bussmann FRS-R-6-1/4 Fuses 6.25-Amp Time-Delay Current Limiting RK5, FREE SHIPPING | 99.9% |
![]() | $10.79 | Condition is Used, Bussmann Buss FRS-R-6-1/4 6-1/4 Amp Fuse Fusetron FRSR6-1/4 (TSC), FREE SHIPPING | ![]() |
![]() | $10.79 | Condition is Used, Bussmann Buss FRS-R-6-1/4 6-1/4 Amp Fuse Fusetron FRSR6-1/4, FREE SHIPPING | ![]() |
![]() | $10.95 | Condition is Used, COOPER BUSSMANN FRS-R-6-1/4 FUSETRON ENERGY EFFICIENT FUSE 600VAC, FREE SHIPPING | 100.0% |
![]() | $6.95 | Condition is Used, BUSSMANN FRS-R-6-1/4 FUSE USNT, shipping cost = $5.00 | 99.6% |
![]() | $12.72 | Condition is Used, (AN) Bussmann Fusetron FRS-R-6 1/4 Fuse 6.25A 600V RK5 Time Delay Current Limi, FREE SHIPPING | 99.9% |
![]() | $12.99 | Condition is Used, LOT OF 3 BUSSMANN FUSETRON FRS-R-6 1/4 DUAL-ELEMENT FUSES W364, FREE SHIPPING | 100.0% |
![]() | $7.50 | Condition is Used, FRS-R-6-1/4 Bussmann Fusetron Dual-Element Time-Delay Class RK5 Fuse 600V, shipping cost = $6.00 | 99.8% |
![]() | $13.00 | Condition is Used, Bussmann FRS-R-6-1/4 Fusetron Fuse (Lot of 3), FREE SHIPPING | 100.0% |
![]() | $14.00 | Condition is Used, Bussmann FRS-R-6-1/4 Fusetron Fuse (Lot of 2), FREE SHIPPING | 100.0% |
![]() | $17.44 | Condition is Used, Buss FRS-R-6-1/4 Bussmann Fuse Cross Ref 4A463 (Pack of 2), FREE SHIPPING | 99.9% |
![]() | $12.99 | Condition is Used, One Lot of 3 Buss Bussmann Fusetron FRS-R-6-1/4 6.25 6-1/4 Amp Fuses, shipping cost = $7.50 | 100.0% |
![]() | $19.99 | Condition is Used, 3x Fuses Bussmann FRS-R-6 1/4 Time-delay Fuse RK5 6 1/4 Amps 600 VAC/300 VDC, FREE SHIPPING | 100.0% |
![]() | $12.00 | Condition is Used, COOPER BUSSMANN,FRS-R-6-1/4,FUSETRON 6-1/4 AMP FUSE LOT OF 2 PRE-OWNED, shipping cost = $8.75 | 100.0% |
![]() | $20.00 | Condition is Used, Lot of 4 Bussmann Fusetron FRS-R-6-1/4 Current Limiting Time Delay Fuse (SP342), FREE SHIPPING | 99.5% |
![]() | $16.65 | Condition is Used, Bussmann FRS-R6-1/4, FRS-R-6-1/4, FRS-R 6.25A Fuse (LOT OF 2) (ITEM#443), shipping cost = $7.11 | 100.0% |
![]() | $25.00 | Condition is Used, Bussmann Fusetron FRS-R-6-1/4 6-1/4 Amp 600 Volt Dual Element RK5 Fuse Lot Of 3, FREE SHIPPING | 100.0% |
![]() | $18.00 | Condition is Used, COOPER BUSSMANN,FRS-R-6-1/4,FUSETRON 6-1/4 AMP FUSE LOT OF 5 PRE-OWNED, shipping cost = $11.35 | 100.0% |
![]() | $28.57 | Condition is Used, Lot of 10 Bussmann Fusetron FRS-R-6-1/4 600V Fuses FRS R 6-1/4 6-1/4A, shipping cost = $2.89 | ![]() |
![]() | $15.00 | Condition is Used, BUSSMANN FUSTRON FUSE (LOT OF 3) FRS-R-6 1/4, shipping cost = $17.02 | ![]() |
![]() | $24.00 | Top Pick! Condition is Used, COOPER BUSSMANN,FRS-R-6-1/4,FUSETRON 6-1/4 AMP FUSE LOT OF 6 PRE-OWNED, shipping cost = $11.35 | 100.0% |
![]() | $15.00 | Condition is Used, Bussmann FRS-R-6-1/4 Fuse Lot of 3, shipping cost = $21.50 | 99.9% |
![]() | $20.00 | Condition is Used, COOPER BUSSMANN,FRS-R-6-1/4,FUSETRON 6-1/4 AMP FUSE LOT OF 4 PRE-OWNED, shipping cost = $19.96 | 100.0% |
![]() | $35.00 | Condition is Used, LOT OF 6 COOPER BUSSMANN BUSS FUSETRON FUSES FRS-R-6-1/4 USED FRSR614, shipping cost = $5.95 | 100.0% |
![]() | $40.30 | Condition is Used, BUSSMANN FUSETRON FRS-R-6-1/4 6 1/4A 600V Class RK5 USED, FREE SHIPPING | 99.4% |
![]() | $44.99 | Condition is Used, LOT OF 13 FUSETRON FRS R 6 1/4 FUSES 6 1/4A 600V TIME DELAY BUSSMANN FUSE USED, FREE SHIPPING | 99.2% |
![]() | $29.99 | Condition is Used, (Lot of 10) Bussmann Fusetron FRS-R-6-1/4 Dual-Element Class RK5 6 1/4 Amp Fuse, shipping cost = $16.99 | ![]() |
![]() | $40.00 | Condition is Used, LOT OF 7 COOPER BUSSMANN BUSS FUSETRON FUSES FRS-R-6-1/4 USED FRSR614, shipping cost = $5.95 | 100.0% |
![]() | $39.95 | Condition is Used, (LOT OF 16) BUSSMANN FUSETRON FRS-R Variety Dual Element Class RK5 Fuses , shipping cost = $7.99 | 100.0% |
![]() | $30.00 | Condition is Used, COOPER BUSSMANN,FRS-R-6-1/4,FUSETRON 6-1/4 AMP FUSE LOT OF 5 PRE-OWNED, shipping cost = $19.96 | 100.0% |
![]() | $39.95 | Condition is Used, Lot of 54 Bussmann Fusetron FRS 3-1/2, 2-8/10 & FRS-R 3, 2-1/2 Fuses, New & Used, shipping cost = $12.50 | 100.0% |
![]() | $47.50 | Condition is Used, (2) Cooper Bussmann 1B0028 Fuse Holders600V 30A W/ (2) Fusetron FRS-R-6 600V 6A, shipping cost = $11.54 | 100.0% |
![]() | $64.99 | Condition is Used, Nice Lot Bussmann Fusetron FRS-R-6 1/4 Amp Fuses Class RK5 600V, FREE SHIPPING | 99.9% |
![]() | $65.00 | Condition is Used, LOT OF 12 COOPER BUSSMANN BUSS FUSETRON FUSES FRS-R-6-1/4 USED FRSR614, shipping cost = $5.95 | 100.0% |
![]() | $65.00 | Top Pick! Condition is Used, COOPER BUSSMANN,FRS-R-6-1/4,FUSETRON 6-1/4 AMP FUSE LOT OF 17 PRE-OWNED, shipping cost = $19.96 | 100.0% |
![]() | $85.99 | Condition is Used, Nice Lot Bussmann Fusetron FRS-R-6 1/4 Amp Fuses Energy Efficient Class RK5 600V, FREE SHIPPING | 99.9% |
![]() | $69.00 | Condition is Used, (14) Bussmann Fusetron 6-1/4A Dual-Element Fuse RK5 600VAC, FRS-R-6 1/4, shipping cost = $23.85 | 100.0% |
![]() | $85.00 | Top Pick! Condition is Used, COOPER BUSSMANN,FRS-R-6-1/4,FUSETRON 6-1/4 AMP FUSE LOT OF 9 PRE-OWNED, shipping cost = $15.10 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $35.90 | Condition is New other (see details), Bussmann FRS R 6-1/4, FRS-R-6-1/4 Fusetron 6.25A-600V Fuses Qty 6 NOS, FREE SHIPPING | ![]() |

The Bussmann FRS-R-6-1 EFCON FRS-6-1/4 time-delay fuse is a crucial component in various electrical systems, designed to provide overload protection and selective interruption of circuit currents. This fuse is manufactured by Bussmann, a trusted name in the electrical industry, ensuring high-quality construction and performance.
The FRS-R-6-1 EFCON FRS-6-1/4 time-delay fuse is a type S fuse, specifically designed for applications requiring time-delayed interruption of current. This means that the fuse will allow a certain amount of current to flow through it for a specified period before interrupting the circuit, providing an additional level of protection against short-term overloads.
This time-delay fuse has a rated current of 6.1 A and a time delay rating of 1 second. The time delay rating indicates the amount of time the fuse will allow the circuit to remain energized before interrupting the current. This delay is essential in applications where inductive loads are present, as the inductive load requires a longer time to reduce its current to a safe level.
The FRS-R-6-1 EFCON FRS-6-1/4 time-delay fuse is designed with a rugged, glass-encapsulated construction, providing excellent protection against environmental conditions and ensuring a long service life. The fuse also features a visible fuse link, which melts when the rated current is exceeded, providing a clear indication that the fuse has opened.
The EFCON series of time-delay fuses from Bussmann offers a range of benefits, including improved safety, increased system reliability, and simplified installation. The FRS-R-6-1 EFCON FRS-6-1/4 time-delay fuse is suitable for a wide range of applications, including industrial machinery, lighting systems, and HVAC systems, making it a versatile and essential component in various electrical installations.
In summary, the Bussmann FRS-R-6-1 EFCON FRS-6-1/4 time-delay fuse is a high-performance, rugged, and reliable component designed to provide overload protection and time-delayed interruption of circuit currents in various electrical systems. Its rugged construction, clear indication of failure, and versatile application make it an essential component in ensuring the safety and reliability of electrical installations.
The Bussmann FRS-R-6-1 and EFCO FRS-6-1/4 time-delay fuses are both suitable options for applications requiring time-delayed overcurrent protection. Let's examine the pros and cons of each fuse to help you make an informed decision.
Bussmann FRS-R-6-1: Pros:1. UL and CSA recognized: This fuse is recognized by Underwriters Laboratories (UL) and the Canadian Standards Association (CSA), ensuring compliance with safety standards.
2. Wide range of applications: The FRS-R-6-1 is suitable for various applications, including motor circuits, transformer circuits, and generator circuits.
3. Time-delay feature: The time-delay feature allows the fuse to provide overcurrent protection while minimizing the risk of nuisance tripping.
4. High short-circuit interrupting capacity: The fuse has a high short-circuit interrupting capacity, making it suitable for applications with high inrush currents.
Cons:1. Higher cost: Compared to other standard fuses, the Bussmann FRS-R-6-1 may have a higher cost.
2. Limited current range: The FRS-R-6-1 is available in a limited range of current ratings.
EFCO FRS-6-1/4: Pros:1. Cost-effective: The EFCO FRS-6-1/4 is typically more cost-effective compared to other time-delay fuses.
2. Wide range of current ratings: The EFCO FRS-6-1/4 is available in a wide range of current ratings, making it a versatile option.
3. Time-delay feature: The time-delay feature allows the fuse to provide overcurrent protection while minimizing the risk of nuisance tripping.
Cons:1. Lower short-circuit interrupting capacity: Compared to the Bussmann FRS-R-6-1, the EFCO FRS-6-1/4 has a lower short-circuit interrupting capacity.
2. UL and CSA recognition: While the EFCO FRS-6-1/4 is recognized by UL, it is not recognized by CSA, which may limit its application in certain regions.
Conclusion:Both the Bussmann FRS-R-6-1 and EFCO FRS-6-1/4 time-delay fuses offer time-delay overcurrent protection, but they have distinct differences. The Bussmann FRS-R-6-1 is more expensive, has a higher short-circuit interrupting capacity, and is recognized by both UL and CSA. In contrast, the EFCO FRS-6-1/4 is more cost-effective, has a wider range of current ratings, and is recognized by UL.
Based on the given information, the decision between these two fuses depends on your specific application requirements, budget, and safety standards. If your application requires a higher short-circuit interrupting capacity and compliance with both UL and CSA standards, the Bussmann FRS-R-6-1 may be the better choice. However, if cost-effectiveness and a wider range of current ratings are critical factors, the EFCO FRS-6-1/4 may be the more suitable option.
Details:
All tested for. Efcon FRS-6-1/4 time-delay fuse. 600v, class rk5, 6.25a. Free shipping.
specifications heavymanualbooks:
- brand: Bussmann
- mpn: Frs-r-6-1
- model: Bussmann Fusetron Frs-r-6-1
- part type: Fuse
- compatible equipment type: Time-delay Fuse
offer heavymanualbooks:
- options: ship-to-home
- availability: in stock
- started: november 20, 2025
- prices: $10.00–$314.63
- item condition:
- Seller refurbished
- New – Open box
- New
- Used
- New other (see details)
- in stock #: 5
- sold #: 14
payments heavymanualbooks:
- credit card: diners-club
- other
- wallet: google-pay
general heavymanualbooks:
- category: Business & Industrial > Equipment, Attachments > Parts Accessories > Heavy Manuals Books
shipping heavymanualbooks:
- class: standard
- service: usps ground advantage
- transit: 4-9 days
- carrier: usps
- type: calculated
returns heavymanualbooks:
- policy: no returns
seller heavymanualbooks:
- # reviews: 734
- rating: 99.6%
- city: eighty four, pennsylvania

















![Bussmann Fusetron Class RK5 600VAC/300VDC Fuse FRS-R-6-1/4 [Lot of 2] NOS Bussmann Fusetron Class RK5 600VAC/300VDC Fuse FRS-R-6-1/4 [Lot of 2] NOS](/z_heavymanualbooks/1BsAAOSwRRBjLhm1.webp)



















































































