LPN-RK-100SPI [COOPER]
Dual-Element Time-Delay Fuses; 双元件延时型保险丝
| 型号： | LPN-RK-100SPI |
| 厂家： | 
COOPER BUSSMANN, INC. |
| 描述： | Dual-Element Time-Delay Fuses |
| 文件： | 总3页 (文件大小：138K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
®
Bussmann
®
Low-Peak
LPN-RK_SPI
Dual-Element Time-Delay Fuses
Class RK1 – 250 Volts AC/DC
70-600A
Dimensional Data
A
B
Dimensions (inches)
Ampere Ratings
70-100
“A”
“B”
5.88 ( 0.062)
7.13 ( 0.062)
8.63 ( 0.094)
10.38 ( 0.094)
1.10 ( 0.020)
1.61 ( 0.020)
2.36 ( 0.020)
2.88 ( 0.020)
110-200
225-400
450-600
Features:
• Current limiting for maximum short-circuit protection.
• Type 2 protection for IEC and NEMA starters when properly
sized.
• Permanent replacement fuse indication.
• High in-rush current motor protection.
• Time-delay that permits 130% FLA sizing for back-up motor
protection.
Catalog Symbol: LPN-RK_SPI
Ampere Rating: 70 to 600A
Voltage Ratings:
• Provides protection against single-phase motor damage.
• Low watt loss power consumption.
• Electrically isolated end caps.
ac: 250V (or less)
dc: 250V (or less)
Interrupting Ratings:
ac: 300,000A RMS Sym.
• 250Vdc, UL Listed.
dc: 100,000A
Agency Information:
UL Listed–Special Purpose**, Guide JFHR, File E56412
CSA Certified, (200,000 AIR) Class 1422-02, File 53787,
Class RK1 per CSA C22.2 No. 248.12
Applications:
• Branch distribution
• Motors
• Transformers
• Solenoids
• General purpose circuits
Catalog Numbers
LPN-RK-70SPI
LPN-RK-80SPI
LPN-RK-90SPI
LPN-RK-100SPI
LPN-RK-110SPI
LPN-RK-125SPI
LPN-RK-150SPI
LPN-RK-175SPI
LPN-RK-200SPI
LPN-RK-225SPI
LPN-RK-250SPI
LPN-RK-300SPI
LPN-RK-350SPI
LPN-RK-400SPI
LPN-RK-450SPI
LPN-RK-500SPI
LPN-RK-600SPI
—
Recommended fuseblocks for
Class R 250V fuses
See Data Sheet: 1110
Fuse Reducers For Class R Fuses
Available with tin plate option. Add Suffix “-TP” (Ex.: LPN-RK-100SP-TP)
Desired
Fuse (Case)
Size
Catalog Number
(Pairs)
Carton Quantity and Weight—LPN-RK (250Vac)
Equipment
Fuse Clips
Weight*
Ampere
Ratings
Carton
Qty.
600V
Lbs.
1.9
0.9
2.0
3.0
Kg.
0.9
0.4
0.9
1.4
200A
100A
100A
200A
100A
200A
400A
No. 2621-R***
No. 2641-R
No. 642-R
70–100
5
1
1
1
400A
110–200
225–400
No. 2661-R
No. 2662-R
No. 2664-R*
450–600
600A
*Weight per carton.
** Meets all performance requirements of UL Standard 248-12 for Class RK1 fuses.
*Single reducer only (pair not required).
***Reducer No. 2621-R does not apply to LPN-RK-70SP to LPN-RK-100SP
Fuses.
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.
For additional information, see Data Sheet: 1118.
For non-indicating version, the LPN-RK_SP
is available. See Data Sheet: 1004
Form No. LPN-RK 70-600
Page 1 of 2
8-26-04
SB04295
Data Sheet: 1066
®
Bussmann
®
Low-Peak
LPN-RK_SPI
Dual-Element Time-Delay Fuses
Class RK1 – 250 Volts AC/DC
70-600A
Time-Current Characteristic Curves–Average Melt
Form No. LPN-RK 70-600
Page 2 of 3
8-26-04
Data Sheet: 1066
SB04295
®
Bussmann
®
Low-Peak
LPN-RK_SPI
Dual-Element Time-Delay Fuses
Class RK1 – 250 Volts AC/DC
Current Limitation Curves
70-600A
B
400,000
100,000
600A
400A
200A
100A
10,000
A
1,000
RMS SYMMETRICAL CURRENTS IN AMPERES
A-B=ASYMMETRICAL AVAILABLE PEAK (2.3 x SYMM RMS AMPS)
Current-Limiting Effects
Prosp.
S.C.C.
Let-Through Current (Apparent RMS
Symmetrical) Versus Fuse Rating
100A
2,100
2,600
2,950
3,200
3,350
3,550
3,750
3,900
4,150
4,400
4,750
5,050
5,700
6,200
6,600
7,000
200A
3,150
3,950
4,500
4,900
5,300
5,600
5,850
6,150
6,600
7,000
7,650
8,250
9,400
10,300
11,050
11,750
400A
5,000
6,900
7,650
8,350
8,850
9,300
9,700
10,050
10,700
11,250
12,200
12,950
14,500
15,700
16,700
17,550
600A
5,000
9,250
5,000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
50,000
60,000
80,000
100,000
150,000
200,000
250,000
300,000
10,250
11,050
11,750
12,250
12,800
13,250
14,050
14,750
15,850
16,800
18,650
20,100
21,250
22,350
*Values derived from curve data
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 con-
tained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications.
Form No. LPN-RK 70-600
Page 3 of 3
8-26-04
SB04295
Data Sheet: 1066
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