LPN-RK-1-1/4SP [COOPER]
Electric Fuse, Time Delay Blow, 1.25A, 250VAC, 125VDC, 300000A (IR), Inline/holder;
| 型号： | LPN-RK-1-1/4SP |
| 厂家： | 
COOPER BUSSMANN, INC. |
| 描述： | Electric Fuse, Time Delay Blow, 1.25A, 250VAC, 125VDC, 300000A (IR), Inline/holder |
| 文件： | 总3页 (文件大小：245K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Low-Peak™ 250V Class RK1
1
LPN-RK — 250Vac/dc, ⁄10-60A, Dual Element, Time-Delay Fuses
Dimensions – in
2"
3"
(
0.31)
(
0.31)
0.56" ( 0.008)
0.81" ( 0.008)
Available with easyID™
open fuse indication
1/10 to 30A
35 to 60A
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 (8 seconds for 0-30A sizes).
Features:
• 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
Catalog Symbol: LPN-RK(amp)SP (non-indicating)
LPN-RK(amp)SPI (indicating)
Ratings:
• “No damage” Type “2” protection for IEC and NEMA
starters when properly sized
Volts — 250Vac, 125Vdc
Amps — 1⁄10-60A
• 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
IR — 300kA Vac RMS Sym.
— 100kA Vdc
• Electrically isolated end caps for added safety
Agency Information:
Recommended Fuse Blocks
CE, UL Listed, Guide JDDZ, File E4273
Fuse Amps
1-Pole
2-Pole
3-Pole
CSA Certified, Class 1422-02, File 53787,
Class RK1 per CSA C22.2, No. 248.12
H25030-1
R25030-1
H25060-1
R25060-1
H25030-2
R25030-2
H25060-2
R25060-2
H25030-3
R25030-3
H25060-3
R25060-3
0-30
Catalog Numbers (amps) Non-indicating Fuses
35-60
LPN-RK-1⁄10SP
LPN-RK-15⁄100SP
LPN-RK-2⁄10SP
LPN-RK-3⁄10SP
LPN-RK-4⁄10SP
LPN-RK-2SP
LPN-RK-9SP
LPN-RK-10SP
LPN-RK-12SP
LPN-RK-15SP
LPN-RK-21⁄
LPN-RK-21⁄
4
SP
SP
For additional information on the 250 volt fuse blocks, see
Data Sheets # 1110 (R250), # 1112 (H250).
2
LPN-RK-28⁄10SP
LPN-RK-3SP
LPN-RK-171⁄
SP
2
Fuse Reducers For Class R Fuses
LPN-RK-1⁄
2
SP
LPN-RK-32⁄10SP
LPN-RK-20SP
LPN-RK-25SP
LPN-RK-30SP
LPN-RK-35SP*
LPN-RK-40SP*
LPN-RK-45SP*
LPN-RK-50SP*
LPN-RK-60SP*
Equipment
Fuse Clips
60A
Desired Fuse
(Case) Size
30A
Catalog Numbers
(Pairs) 250V
NO.263-R
LPN-RK-6⁄10SP
LPN-RK-8⁄10SP
LPN-RK-1SP
LPN-RK-31⁄
2
SP
LPN-RK-4SP
LPN-RK-41⁄
SP
100A
30A
NO.213-R
NO.216-R
NO.226-R
2
LPN-RK-11⁄
LPN-RK-11⁄
8
SP
SP
LPN-RK-5SP
LPN-RK-56⁄10SP
LPN-RK-6SP
60A
200A
60A
4
LPN-RK-14⁄10SP
LPN-RK-16⁄10SP
LPN-RK-18⁄10SP
For additional information on Class R fuse reducers, see
Data Sheet 1118.
LPN-RK-61⁄
LPN-RK-8SP
4
SP
*
Open fuse indication available by inserting the suffix “I,” e.g. LPN-RK-50SPI.
Requires 75Vac minimum voltage.
Carton Quantity and Weight
Amp Rating
0–30
35–60
Carton Qty.
10
10
0713
BU-SB13686
Page 1 of 3
Data Sheet # 1003
Low-Peak™ 250V Class RK1
1
LPN-RK — 250Vac/dc, ⁄10-60A, Dual Element, Time-Delay Fuses
Time-Current Curves - Average Melt
1
⁄
10 to 12 Amps
AMP RATING
300
100
10
1
.1
.01
RMS SYMMETRICAL CURRENT IN AMPS
0713
BU-SB13686
Page 2 of 3
Data Sheet # 1003
Low-Peak™ 250V Class RK1
1
LPN-RK — 250Vac/dc, ⁄10-60A, Dual Element, Time-Delay Fuses
Time-Current Curves - Average Melt
Current-Limitation Curves
15 to 60 Amps
B
400,000
AMP RATING
300,000
300
200,000
100,000
90,000
100
80,000
70,000
60,000
50,000
40,000
30,000
20,000
60A
30A
10,000
9,000
8,000
7,000
10
6,000
5,000
4,000
3,000
A
2,000
1,000
1
PROSPECTIVE SHORT-CIRCUIT CURRENT - SYMMETRICAL RMS AMPS
Current-Limiting Effects
Prosp.
S.C.C.
—
Let-Through Current
(Apparent RMS Symmetrical Vs. Fuse Rating)
30A
1000
1000
1000
1000
1000
1000
1000
1000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
3000
3000
3000
60A
1000
1000
1000
2000
2000
2000
3000
3000
3000
3000
3000
3000
3000
3000
4000
4000
4000
4000
5000
5000
6000
1000
2000
3000
.1
5000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
50,000
60,000
70,000
80,000
90,000
100,000
150,000
200,000
250,000
300,000
.01
RMS SYMMETRICAL CURRENT IN AMPS
The only controlled copy of this Data Sheet is the electronic read-only version located on the Cooper 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. Cooper Bussmann reserves the right, without notice, to change
design or construction of any products and to discontinue or limit distribution of any products. Cooper 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.
0713
BU-SB13686
Page 3 of 3
Data Sheet # 1003
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