Bussmann DLS-R Data Sheet
Dura-Lag DLS-R
Dual-Element, Time-Delay Construction Grade Fuses 1 –600Amps
Class RK5 – 600 Volt
Form No. DLS-R
Page 1 of 3
Data Sheet: 1022
Bussmann®
Catalog Numbers
DLS-R-1 DLS-R-10 DLS-R-100
DLS-R-1flꭧ DLS-R-12 DLS-R-110
DLS-R-2 DLS-R-15 DLS-R-125
DLS-R-2⁄Ω™ DLS-R-17⁄Ω™ DLS-R-150
DLS-R-28ꭧ DLS-R-20 DLS-R-175
DLS-R-3 DLS-R-25 DLS-R-200
DLS-R-32ꭧ DLS-R-30 DLS-R-225
DLS-R-3⁄Ω™ DLS-R-35 DLS-R-250
DLS-R-4 DLS-R-40 DLS-R-300
DLS-R-5 DLS-R-45 DLS-R-350
DLS-R-6 DLS-R-50 DLS-R-400
DLS-R-6⁄Ω¢ DLS-R-60 DLS-R-500
DLS-R-7 DLS-R-70 DLS-R-600
DLS-R-8 DLS-R-80 —
DLS-R-9 DLS-R-90 —
General Information:
• Designed for contractor needs.
• Protects industrial equipment and large motors.
• Recommended for ac power distribution system mains,
feeders and branch circuits.
• Industry standard time-delay of 10 seconds at 5 times
the fuse rating.
Dimensional Data
Carton Quantity and Weight
Ampere Carton
Weight*
Ratings Qty. Lbs. Kg.
⁄Ω¡º–30 10 1.62 0.729
35–60 10 3.00 1.35
70–100 5 2.20 1.0
110–200 1 1.10 0.5
225–400 1 2.36 1.1
450–600 1 3.44 1.5
*Weight per carton.
Catalog Symbol: DLS-R (600V)
Current-Limiting
Dual-Element, Time-Delay
– 10 seconds (minimum) at
500% rated current
Voltage Rating: 600Vac (or less)
Self-Certified for 300Vdc
Interrupting Rating: 200,000A RMS Symmetrical
20,000A dc
Agency Information:
UL Listed, Std. 248-12, Guide JDDZ, File E4273
CSA Certified, C22.2 No. 248.12, Class 1422-02, File 53787
CE logo denotes compliance with European Union Low Voltage Directive
(50-1000Vac, 75-1500Vdc). Refer to Data Sheet: 8002 or contact
Bussmann Application Engineering at 636-527-1270 for more information.
Dimensions (inches)
Ampere Ratings A B
70-100 7.88 (± 0.062) 1.16 (± 0.008)
110-200 9.63 (± 0.062) 1.66 (± 0.008)
225-400 11.63 (± 0.094) 2.38 (± 0.008)
450-600 13.38 (± 0.094) 2.88 (± 0.008)
10-2-02
SB02295
Recommended fuseblocks for
Class R 600V fuses
See Data Sheet: 1111
5" (± 0.31)
.81" (± 0.008)
⁄Ω¡ºA to 30A
5.5" (± 0.31)
1.06" (± 0.008)
35A to 60A
A
B
Dura-Lag DLS-R
Dual-Element, Time-Delay Construction Grade Fuses 1 –600Amps
Class RK5 – 600 Volt
Form No. DLS-R
Page 2 of 3
Data Sheet: 1022
Bussmann®
Time-Current Characteristic Curves–Average Melt
RMS SYMMETRICAL CURRENT IN AMPERES
PROSPECTIVE SHORT-CIRCUIT CURRENT
SYMMETRICAL RMS AMPERES
10-2-02
SB02295
100
10
1
TIME IN SECONDS
.1
.01
.1.2.3
0.1
RMS SYMMETRICAL CURRENT IN AMPERES
.611.25
.4.5.8
1
3.2
1.622.546.25
5
10
AMPERE
8
RATING
100
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