Cartridge and Axial Lead Fuses
Class CC* Fuses > CCMR, KLDR and KLKR Series
Class CC fuses
CCMR, KLDR and KLKR Series
Description
Fast-Acting KLKR fuses provide fast-acting protection to
equipment containing surge sensitive components. Use
KLKR Fuses for non-inductive loads not requiring time-
delay.
®
CCMR fuses (formerly KLMR) are specifically designed
to withstand sustained starting currents of small motors.
The CCMR Fuses provide short-circuit protection for motor
branch-circuits.
KLDR fuses are specifically designed to withstand
the momentary high magnetizing currents of control
transformers, solenoids, and similar inductive loads.
Ampere Range
Agency Approvals
Agency
Agency File Number
Electrical Characteristics for Series
% of Ampere
Rating
110%
135%
200%
Ampere Rating
0-30A
0-30A
0-30A
Opening Time
15 minutes, Minimum
1 hour, Maximum
4 minutes, Maximum
12 seconds, Minimum
E81895
0.1 - 30A (KLDR/KLKR)
0.2 - 60A (CCMR)
0.1 - 30A
®
LR 29862
Notes:
KLKR Series:
UL listed Fast-Acting Class CC per UL 248 and CSA Certified
KLDR Series:
UL listed Time-Delay Class CC per UL 248 and CSA Certified.
CCMR Series:
UL listed Time-Delay Class CC per UL 248 and CSA Certified,
and 35-60A UL Listed Time-Delay Class CD.
200% Time-delay
Dimensions
Product Characteristics
AC:
DC:
Voltage Rating
600 Volts
250 Volts (CCMR 0.2 – 2A)
(CCMR 4.5 – 10A)
(CCMR 35 – 60A)
300 Volts (CCMR 2.25 – 4A)
300 Volts (KLDR)
300 Volts (KLKR)
500 Volts (CCMR 2 - 30A)
38.1 mm
(1.50")
0-30A
6.4 mm
(.25")
10.3 mm
(.41")
12.7 mm
(.50")
3.2 mm
(.125")
KLKR - 0.1A - 30A
RoHS compliant items
CCMR - 25A and 30A
KLDR - 0.1A - 7
.5A, 25A and 30A
35-60A
21.6 mm
(.850")
47.8 mm
(1.880")
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
21
Revised: August 12, 2009
CCMR Series
Cartridge and Axial Lead Fuses
Class CC* Fuses > CCMR, KLDR and KLKR Series
Electrical Specifications by Item -- CCMR Series
Amp
Rating
(A)
.2
.25
.3
.5
.6
.8
1
1.25
1.4
1.5
1.6
1.8
2
2.25
2.5
2.8
3
3.2
3.5
4
4.5
5
5.6
6
6.25
7
7
.5
8
9
10
12
15
17
.5
20
25
30
35
40
45
50
60
Nominal
Cold
Resistance
(Ohms)
68.4
43.3
28.6
7
.62
8.2
4.013
2.85
1.687
1.39
1.24
.9894
.7783
.485
.337
.3375
.2400
.2188
.1855
.1346
.121
.0835
.07780
.0535
.0517
.0464
.0369
.027
.0259
.0193
.0135
.0121
.00795
.00495
.00360
.00306
.00257
.00408
.00290
.00229
.00169
.00112
Agency
Approvals
Average Time Current Curves -- CCMR Series
Amp Code
CCMR.200
CCMR.250
CCMR.300
CCMR.500
CCMR.600
CCMR.800
CCMR 001
CCMR 1.25
CCMR 01.4
CCMR 01.5
CCMR 01.6
CCMR 01.8
CCMR 002
CCMR 2.25
CCMR 02.5
CCMR 02.8
CCMR 003
CCMR 03.2
CCMR 03.5
CCMR 004
CCMR 04.5
CCMR 005
CCMR 05.6
CCMR 006
CCMR 6.25
CCMR 007
CCMR 07.5
CCMR 008
CCMR 009
CCMR 010
CCMR 012
CCMR 015
CCMR 17.5
CCMR 020
CCMR 025
CCMR 030
CCMR 035
CCMR 040
CCMR 045
CCMR 050
CCMR 060
AC 200,000
ampere
DC 20,000
ampere
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
1000
100
10
TIME IN SECONDS
1
0.1
0.01
0.1
1/4A
1/2A
8/10A
1A
1 1/4A
1 1/2A
1 8/10A
2A
2 1/2A
3A
3 1/2A
4A
6A
8A
10A
12A
15A
20A
25A
30A
35A
60A
1
Interrupting
Rating
CCMR
10
CURRENT IN AMPERES
100
1000
CCMR Series
22
Revised: August 12, 2009
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Cartridge and Axial Lead Fuses
Class CC* Fuses > CCMR, KLDR and KLKR Series
Electrical Specifications by Item -- KLDR Series
Amp
Rating
(A)
.1
.125
.15
.1875
.2
.25
.3
.4
.5
.6
.75
.8
1
1.125
1.25
1.4
1.5
1.6
1.8
2
2.25
2.5
2.8
3
3.2
3.5
4
4.5
5
5.6
6
6.25
7
7
.5
8
9
10
12
15
17
.5
20
25
30
Nominal
Interrupting
Cold
Rating
Resistance
(Ohms)
246
134.9
96
66.4
57
.8
31.61
35.3
23.0
10.7
7
.34
6.20
6.20
1.068
2.94
2.33
1.5
.898
.625
.486
.55
.52
.333
.26
.21
.171
.239
.118
.082
.0440
.0334
.0315
.03
.02674
.0205
.0259
.0193
.0135
.0121
.00795
.00495
.0036
.00306
.00257
Agency
Approvals
Average Time Current Curves -- KLDR Series
1000
KLDR.100
KLDR.125
KLDR.150
KLDR.187
KLDR.200
KLDR.250
KLDR.300
KLDR.400
KLDR.500
KLDR.600
KLDR.750
KLDR.800
KLDR 001.
KLDR 1.12
KLDR 1.25
KLDR 01.4
KLDR 01.5
KLDR 01.6
KLDR 01.8
KLDR 002
KLDR 2.25
KLDR 02.5
KLDR 02.8
KLDR 003
KLDR 03.2
KLDR 03.5
KLDR 004
KLDR 04.5
KLDR 005
KLDR 05.6
KLDR 006
KLDR 6.25
KLDR 007
KLDR 07.5
KLDR 008
KLDR 009
KLDR 010
KLDR 012
KLDR 015
KLDR 17.5
KLDR 020
KLDR 025
KLDR 030
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
100
TIME IN SECONDS
10
1
0.1
0.01
1/8A
2/10A
3/10A
1/2A
6/10A
3/4A
1A
1.8A
2A
2 1/2A
3A
4A
6 1/4A
8A
10A
Amp Code
KLDR
.1
1
AC 200,000
ampere
DC 20,000
ampere
10
CURRENT IN AMPERES
100
1000
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
23
Revised: August 12, 2009
CCMR Series
Cartridge and Axial Lead Fuses
Class CC* Fuses > CCMR, KLDR and KLKR Series
Electrical Specifications by Item -- KLKR Series
Amp
Rating
(A)
.1
.125
.2
.25
.3
.5
.75
1
1.5
2
2.5
3
3.5
4
5
6
7
8
9
10
12
15
20
25
30
Nominal
Cold
Resistance
(Ohms)
79.33
56.52
28.21
19.22
15.10
6.95
1.994
.2342
.225
.135
.0906
.0776
.0562
.0468
.0332
.0238
.0208
.0177
.0151
.01325
.00852
.0074
.00511
.003775
.002954
Agency
Approvals
Average Time Current Curves -- KLKR Series
KLKR.100
KLKR.125
KLKR.200
KLKR.250
KLKR.300
KLKR.500
KLKR.750
KLKR 001
KLKR 01.5
KLKR 002.
KLKR 02.5
KLKR 003
KLKR 03.5
KLKR 004
KLKR 005
KLKR 006
KLKR 007
KLKR 008
KLKR 009
KLKR 010
KLKR 012
KLKR 015
KLKR 020
KLKR 025
KLKR 030
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
1000
100
TIME IN SECONDS
10
AC 200,000
ampere
DC 20,000
ampere
1
0.1
0.01
1/10A
1/8A
2/10A
1/4A
3/10A
1/2A
3/4A
1A
1 1/2A
2A
3A
4A
5A
6A
8A
9A
10A
12A
15A
20A
25A
30A
1
10
CURRENT IN AMPERES
100
Ampere
Code
Interrupting
Rating
KLKR
.1
1000
CCMR Series
24
Revised: August 12, 2009
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
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