Electronic Supply by Industrial Electronics in Milwaukee Wisconsin : Potter Brumfield, Radio Shack Stores in Milwaukee: LPN-RK Low-Peak™ 250V Class RK1 Dual Element Time-Delay Fuses

LPN-RK Low-Peak™ 250V Class RK1 Dual Element Time-Delay Fuses
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synscon on 29/05/2015 02:04:00


Description:
Ultimate protection Class RK1 dual element, current-limiting, time-delay fuses
available with optional open fuse indication.
Time-delay:
10 seconds (minimum) at 500% of rated current for 35-60A.
8 seconds for 0-30A sizes.
Catalog Symbol:
LPN-RK(amp)SP (non-indicating)
LPN-RK(amp)SPI (indicating)
Ratings:
Volts: 250Vac, 125Vdc(0-60A); 250Vac, 250Vdc(70-600A)
Amps: 1⁄10-600A
IR: 300kA Vac RMS Sym. 100kA Vdc
Agency Information:
CE,
UL Listed, Guide JDDZ, File E4273
CSA Certified, Class 1422-02, File 53787,Class RK1 per CSA C22.2, No. 248.12
Catalog Numbers (amps) Non-indicating Fuses
LPN-RK-1/10SP
LPN-RK-2-1/4SP
LPN-RK-12SP
LPN-RK-110SP
LPN-RK-15/100SP
LPN-RK-2-1/2SP
LPN-RK-15SP
LPN-RK-125SP
LPN-RK-2/10SP
LPN-RK-2-8/10SP
LPN-RK-17-1/2SP
LPN-RK-150SP
LPN-RK-3/10SP
LPN-RK-3SP
LPN-RK-20SP
LPN-RK-175SP
LPN-RK-4/10SP
LPN-RK-3-2/10SP
LPN-RK-25SP
LPN-RK-200SP
LPN-RK-1/2SP
LPN-RK-3-1/2SP
LPN-RK-30SP
LPN-RK-225SP
LPN-RK-6/10SP
LPN-RK-4SP
LPN-RK-35SP
LPN-RK-250SP
LPN-RK-8/10SP
LPN-RK-4-1/2SP
LPN-RK-40SP
LPN-RK-300SP
LPN-RK-1SP
LPN-RK-5SP
LPN-RK-45SP
LPN-RK-350SP
LPN-RK-1-1/8SP
LPN-RK-5-6/10SP
LPN-RK-50SP
LPN-RK-400SP
LPN-RK-1-1/4SP
LPN-RK-6SP
LPN-RK-60SP
LPN-RK-450SP
LPN-RK-1-4/10SP
LPN-RK-6-1/4SP
LPN-RK-70SP
LPN-RK-500SP
LPN-RK-1-6/10SP
LPN-RK-8SP
LPN-RK-80SP
LPN-RK-600SP
LPN-RK-1-8/10SP
LPN-RK-9SP
LPN-RK-90SP
LPN-RK-2SP
LPN-RK-10SP
LPN-RK-100SP
Catalog Numbers (amps) with indicating Fuses
Requires 75Vac minimum voltage.
LPN-RK-35SPI
LPN-RK-100SPI
LPN-RK-300SPI
LPN-RK-40SPI
LPN-RK-110SPI
LPN-RK-350SPI
LPN-RK-45SPI
LPN-RK-125SPI
LPN-RK-400SPI
LPN-RK-50SPI
LPN-RK-150SPI
LPN-RK-450SPI
LPN-RK-60SPI
LPN-RK-175SPI
LPN-RK-500SPI
LPN-RK-70SPI
LPN-RK-200SPI
LPN-RK-600SPI
LPN-RK-80SPI
LPN-RK-225SPI
LPN-RK-90SPI
LPN-RK-250SPI
Carton Quantity and Weight
Amp Rating
Carton Qty.
0-30
10
35-60
10
70–100
5
110–200
1
225–400
1
450–600
1
Dimensions – in
Features (0-60A)
* Industry’s only UL Listed and CSA Certified fuse with a 300kA Vac
interrupting rating that exceeds requirements for virtually all applications
* Current-limitation for maximum short-circuit protection
* Easy selective coordination with all Low-Peak fuses using simple 2:1 ampacity
ratio
* “No damage” Type “2” protection for IEC and NEMA starters when
properly sized
* High inrush current motor protection
* Time-delay permits 130% FLA sizing for back-up motor protection
* Protection against single-phase motor damage
* Low watt loss power consumption
* Electrically isolated end caps for added safety
Features (70-600A)
* Industry’s only UL Listed and CSA Certified fuse with a 300kA Vac
interrupting rating that exceeds requirements for virtually all applications
* Fast short-circuit protection provides optimal arc flash protection to reduce
hazard to personnel
* Easy selective coordination with all Low-Peak fuses using simple 2:1 ampacity
ratio
* Current-limiting for maximum short-circuit protection
* “No damage” Type “2” protection for IEC and NEMA motor starters when
properly sized
* High in-rush current motor protection
* Time-delay that permits 130% FLA sizing for back-up motor protection
* Provides protection against single-phase motor damage
* Low watt loss power consumption
* Electrically isolated end caps for added safety
Applications (70-600A)
* Feeder and Branch Circuits
* Transformers
* Motors
* Solenoids
* General Purpose Circuits
Recommended Fuse Blocks
Fuse amps
1-pole
2-pole
3-pole
0-30
H25030-1
H25030-2
H25030-3
R25030-1
R25030-2
R25030-3
35-60
H25060-1
H25060-2
H25060-3
R25060-1
R25060-2
R25060-3
70-100
RM25100-1CR
RM25100-2CR
RM25100-3CR
110-200
RM25200-1CR
RM25200-2CR
RM25200-3CR
225-400
RM25400-1CR
RM25400-2CR
RM25400-3CR
450-600
RM25600-1CR
RM25600-2CR
RM25600-3CR
Fuse Reducers For Class R Fuses
Equipment
Fuse Clips Desired Fuse
(Case) Size Catalog Numbers
(Pairs) 250V
60A
30A
NO.263-R
100A
30A
NO.213-R
60A
NO.216-R
200A
60A
NO.226-R
100A
N0.2621-R
400A
100A
NO.2641-R
200A
NO.642-R
600A
100A
NO.2661-R
200A
NO.2662-R
400A
NO.2664-R†
† Single reducer only (pair not required).
Time-Current Curves - Average Melt
Current-Limitation Curves
Current-Limiting Effects
Prosp.
S.C.C.              Let-Through Current
(Apparent RMS Symmetrical  Vs. Fuse Rating)
—
30A
60A
100A
200A
400A
600A
1000
1000
1000
1000
1000
1000
1000
2000
1000
1000
2000
2000
2000
2000
3000
1000
1000
2000
3000
3000
3000
5000
1000
2000
2000
3000
5000
5000
10,000
1000
2000
3000
4000
7000
9000
15,000
1000
2000
3000
5000
8000
11,000
20,000
1000
3000
3000
5000
8000
11,000
25,000
1000
3000
3000
5000
9000
12,000
30,000
2000
3000
4000
6000
9000
12,000
35,000
2000
3000
4000
6000
10,000
13,000
40,000
2000
3000
4000
6000
10,000
13,000
50,000
2000
3000
4000
7000
11,000
14,000
60,000
2000
3000
4000
7000
11,000
16,000
70,000
2000
3000
4000
7000
12,000
16,000
80,000
2000
4000
5000
8000
12,000
16,000
90,000
2000
4000
5000
7000
13,000
17,000
100,000
2000
4000
5000
8000
13,000
17,000
150,000
2000
4000
6000
9000
15,000
19,000
200,000
3000
5000
6000
11,000
16,000
20,000
250,000
3000
5000
7000
11,000
17,000
21,000
300,000
3000
6000
7000
12,000
18,000
22,000