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
Dura-Lag DLS-R
Dual-Element, Time-Delay Construction Grade Fuses 1 –600Amps
Class RK5 – 600 Volt
Form No. DLS-R
Page 3 of 3
Data Sheet: 1022
Bussmann®
The only controlled copy of this Data Sheet is the electronic read-only version located on the Bussmann Network Drive. All other copies of this document are by definition uncontrolled. This bulletin is
intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Bussmann reserves the right, without notice, to change
design or construction of any products and to discontinue or limit distribution of any products. Bussmann also reserves the right to change or update, without notice, any technical information contained
in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications.
Time-Current Characteristic Curves–Average Melt
10-2-02
SB02295
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