POWR-GARD
®
Blocks & Holders
LSCR SERIES HIGH-SPEED FUSE BLOCKS
Description
Littelfuse LSCR series is a comprehensive line of modular
fuse blocks, designed to accommodate a wide range of
high-speed and UL power fuses. These LSCR series blocks
have a modular stud-type design that enables easy mounting
in panel boards.
Features/Benets
Modular design reduces inventory requirements
Sold in pairs for convenience
Supplied with nut and belleville washer
Electrical & Mechanical Specications
700 V • 1000 V • 1500 V
Specications
Voltage Rating 700 V / 1000 V / 1500 V
Ampere Rating 400 A, 800 A and 1200 A
Withstand Rating 200 kA / 250 kA
Approvals UL Recognized (File: E14721)
cURus Recognized (E14721)
CSA Certied (File: 73160)
Material Base Molded phenolic or thermoplastic
Terminal Construction Steel, zinc-plated
Flammability Rating UL 94 V-0
Environmental RoHS compliant
Country of Origin LSCR0xx - China
LSCR1xx - USA
Web Resources
For more information, visit: Littelfuse.com/LSCR
CATALOG/
ORDERING
NUMBER
AMPERE
RATING
VOLTAGE
RATING
INTERRUPTING
RATING
INSULATOR
SUGGESTED STUD
TORQUE
MOUNTING
FASTNER
SIZE
SUGGESTED
FASTENER
TORQUE
AGENCY
APPROVALS
AC DC AC DC MATERIAL
MAX. BASE
TEMPERATURE
(in.lbs) (N•m) (in.lbs) (N•m) UR cURus CSA
LSCR001 400 A 700 V 1500 V 200 kA 250 kA Molded Phenolic 150 °C (302 °F) 61 6.8 #10 20–25 2.3–2.8 • •
LSCR002 800 A 700 V 1500 V 200 kA 250 kA Molded Phenolic 150 °C (302 °F) 192 21.6 #10 20–25 2.3–2.8 • •
LSCR101 400 A 1000 V 1000 V 200 kA 200 kA Thermoplastic
125 °C (257 °F)
67.5–82.5 7.6 – 9.3 #10 12 max 1.3 max •
LSCR102 800 A 1000 V 1000 V 200 kA 200 kA Thermoplastic 125 °C (257 °F) 207–253 23.4–28.6 #10 12 max 1.3 max •
LSCR103 1200 A 1000 V 1000 V 200 kA 200 kA Thermoplastic 125 °C (257 °F) 270–330 30.5 – 37.3 ¼" 12 max 1.3 max •
Littelfuse.com/LSCR
© 2023 Littelfuse, Inc.
Rev: 032923
1 of 4
POWR-GARD
®
Blocks & Holders
LSCR SERIES HIGH-SPEED FUSE BLOCKS
Dimensions mm (inches)
CHICAGO, ILLINOIS 60631
3RD ANGLE
PROJECTION
Littelfuse
®
REVISION
DRWG NO.
TITLE
DRW DATE
GRAMS/PIECE
FINISH GOOD WT
MATL SPEC FINISH
UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIMETERS, DIMENSIONS IN
BRACKETS [ ] ARE INCHES DIMENSIONING AND DO NOT INCLUDE PLATING. TOLERANCING
TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y14.5M-1994
DENOTES CRITICAL CHARACTERISTICS.
DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
DENOTES A CHARACTERISTIC THAT PROVIDES AN INDICATION
OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUREMENT
AND TRACKING TO BE DEFINED IN
LITTELFUSE INSPECTION INSTRUCTIONS.
DENOTES CP DIMENSIONS, -MINIMUM CP VALUE
MUST BE WITHIN THE DIMENSIONAL LIMITATIONS
SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
CPK
CP
SHEET 1 OF 1
SCALE
A
OL-LSCR103
B
myork
9/2/2015
1000V 1200A FUSE HOLDER OUTLINE
NTS
REVISION
REV DATE DESCRIPTION
A
5/17/16
515753GCP - RELEASE PER EM2797 MRY
LSCR103
CHICAGO, ILLINOIS 60631
3RD ANGLE
PROJECTION
A
OL-LSCR000
Littelfuse
®
REVISION
DRWG NO.
TITLE
B
DRW DATE
GRAMS/PIECE
FINISH GOOD WT
MYORK
2/17/2015
MATL SPEC FINISH
UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIMETERS, DIMENSIONS IN
BRACKETS [ ] ARE INCHES DIMENSIONING AND DO NOT INCLUDE PLATING. TOLERANCING
TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y14.5M-1994
DENOTES CRITICAL CHARACTERISTICS.
DENOTES CPK DIM
ENSIONS, -MINIMUM CPK VALUE
DENOTES A CHARACTERISTIC THAT PROVIDES AN INDICATION
OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUREMENT
AND TRACKING TO BE DEFINED IN
LITTELFUSE INSPECTION INSTRUCTIONS.
DENOTES CP DIMENSIONS, -MINIMUM CP VALUE
MUST BE WITHIN THE DIMENSIONAL LIMITATIONS
SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
CPK
CP
SHEET 1 OF 1
SCALE
LSCR SERIES OUTLINE
NTS
REVISION
REV D
ATE DESCRIPTION
A
2/17/2015
514064GCP - RELEASE MRY
62.87
[2.48]
33.46
[1.32]
6.35
[0.25]
17.78
[0.70]
47.63
[1.88]
33.02
[1.30]
17.78
[0.70]
53.98
[2.13]
40.64
[1.60]
25.40
[1.00]
12.70
[0.50]
25.40
[1.00]
92.25
[3.63]
60.33
[2.38]
12.70
[0.50]
1/4-20" x 1.00"
USABLE LENGTH
3/8-16" x 1.00"
USABLE LENGTH
5.15 x 7.62 SLOT
[0.203 x 0.30]
5.15 x 7.62 SLOT
[0.203 x 0.30]
PART NUMBER
VOLTAGE RATING AMPERE RATING
SUGGESTED TORQUE
LSCR001 700 400A
6.8 N-m (61 IN-LBS)
LSCR002 700 800A
21.6 N-m (192 IN-LBS)
SPECIFICATIONS:
VOLTAGE RATING: SEE CHART
AMPERE RATING: SEE CHART
INTERRUPT RATING: 200kA AC/ 20kA DC
SUGGESTED TORQUE: SEE CHART
APPROVALS: UL RECOGNIZED (FILE NO. E14721)
CSA CERTIFIED (FILE NO.
73160)
DATA SHEET REVISION: 021115
LSCR001
LSCR002
6.35
[0.25]
LSCR001
CHICAGO, ILLINOIS 60631
3RD ANGLE
PROJECTION
Littelfuse
®
REVISION
DRWG NO.
TITLE
DRW DATE
GRAMS/PIECE
FINISH GOOD WT
MATL SPEC FINISH
UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIMETERS, DIMENSIONS IN
BRACKETS [ ] ARE INCHES DIMENSIONING AND DO NOT INCLUDE PLATING. TOLERANCING
TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y14.5M-1994
DENOTES CRITICAL CHARACTERISTICS.
DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
DENOTES A CHARACTERISTIC THAT PROVIDES AN INDICATION
OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUREMENT
AND TRACKING TO BE DEFINED IN
LITTELFUSE INSPECTION INSTRUCTIONS.
DENOTES CP DIMENSIONS, -MINIMUM CP VALUE
MUST BE WITHIN THE DIMENSIONAL LIMITATIONS
SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
CPK
CP
SHEET 1 OF 1
SCALE
A
OL-LSCR101
B
myork
1/6/2015
1000V 400A FUSE HOLDER OUTLINE
NTS
REVISION
REV DATE DESCRIPTION
A
5/17/16
515753GCP - RELEASE PER EM2797 MRY
LSCR101
CHICAGO, ILLINOIS 60631
3RD ANGLE
PROJECTION
Littelfuse
®
REVISION
DRWG NO.
TITLE
DRW DATE
GRAMS/PIECE
FINISH GOOD WT
MATL SPEC FINISH
UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIMETERS, DIMENSIONS IN
BRACKETS [ ] ARE INCHES DIMENSIONING AND DO NOT INCLUDE PLATING. TOLERANCING
TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y14.5M-1994
DENOTES CRITICAL CHARACTERISTICS.
DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
DENOTES A CHARACTERISTIC THAT PROVIDES AN INDICATION
OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUREMENT
AND TRACKING TO BE DEFINED IN
LITTELFUSE INSPECTION INSTRUCTIONS.
DENOTES CP DIMENSIONS, -MINIMUM CP VALUE
MUST BE WITHIN THE DIMENSIONAL LIMITATIONS
SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
CPK
CP
SHEET 1 OF 1
SCALE
A
OL-LSCR101
B
myork
1/6/2015
1000V 400A FUSE HOLDER OUTLINE
NTS
REVISION
REV DATE DESCRIPTION
A
5/17/16
515753GCP - RELEASE PER EM2797 MRY
LSCR002
CHICAGO, ILLINOIS 60631
3RD ANGLE
PROJECTION
A
OL-LSCR000
Littelfuse
®
REVISION
DRWG NO.
TITLE
B
DRW DATE
GRAMS/PIECE
FINISH GOOD WT
MYORK
2/17/2015
MATL SPEC FINISH
UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIMETERS, DIMENSIONS IN
BRACKETS [ ] ARE INCHES DIMENSIONING AND DO NOT INCLUDE PLATING. TOLERANCING
TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y14.5M-1994
DENOTES CRITICAL CHARACTERISTICS.
DENOTES CPK DIM
ENSIONS, -MINIMUM CPK VALUE
DENOTES A CHARACTERISTIC THAT PROVIDES AN INDICATION
OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUREMENT
AND TRACKING TO BE DEFINED IN
LITTELFUSE INSPECTION INSTRUCTIONS.
DENOTES CP DIMENSIONS, -MINIMUM CP VALUE
MUST BE WITHIN THE DIMENSIONAL LIMITATIONS
SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
CPK
CP
SHEET 1 OF 1
SCALE
LSCR SERIES OUTLINE
NTS
REVISION
REV D
ATE DESCRIPTION
A
2/17/2015
514064GCP - RELEASE MRY
62.87
[2.48]
33.46
[1.32]
6.35
[0.25]
17.78
[0.70]
47.63
[1.88]
33.02
[1.30]
17.78
[0.70]
53.98
[2.13]
40.64
[1.60]
25.40
[1.00]
12.70
[0.50]
25.40
[1.00]
92.25
[3.63]
60.33
[2.38]
12.70
[0.50]
1/4-20" x 1.00"
USABLE LENGTH
3/8-16" x 1.00"
USABLE LENGTH
5.15 x 7.62 SLOT
[0.203 x 0.30]
5.15 x 7.62 SLOT
[0.203 x 0.30]
PART NUMBER
VOLTAGE RATING AMPERE RATING
SUGGESTED TORQUE
LSCR001 700 400A
6.8 N-m (61 IN-LBS)
LSCR002 700 800A
21.6 N-m (192 IN-LBS)
SPECIFICATIONS:
VOLTAGE RATING: SEE CHART
AMPERE RATING: SEE CHART
INTERRUPT RATING: 200kA AC/ 20kA DC
SUGGESTED TORQUE: SEE CHART
APPROVALS: UL RECOGNIZED (FILE NO. E14721)
CSA CERTIFIED (FILE NO. 73160)
DATA SHEET REVISION: 021115
LSCR001
LSCR002
6.35
[0.25]
LSCR102
CHICAGO, ILLINOIS 60631
3RD ANGLE
PROJECTION
Littelfuse
®
REVISION
DRWG NO.
TITLE
DRW DATE
GRAMS/PIECE
FINISH GOOD WT
MATL SPEC FINISH
UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIMETERS, DIMENSIONS IN
BRACKETS [ ] ARE INCHES DIMENSIONING AND DO NOT INCLUDE PLATING. TOLERANCING
TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y14.5M-1994
DENOTES CRITICAL CHARACTERISTICS.
DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
DENOTES A CHARACTERISTIC THAT PROVIDES AN INDICATION
OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUREMENT
AND TRACKING TO BE DEFINED IN
LITTELFUSE INSPECTION INSTRUCTIONS.
DENOTES CP DIMENSIONS, -MINIMUM CP VALUE
MUST BE WITHIN THE DIMENSIONAL LIMITATIONS
SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
CPK
CP
SHEET 1 OF 1
SCALE
A
OL-LSCR102
B
myork
9/2/2015
1000V 800A FUSE HOLDER OUTLINE
NTS
REVISION
REV DATE DESCRIPTION
A
5/17/16
515753GCP - RELEASE PER EM2797 MRY
Littelfuse.com/LSCR
© 2023 Littelfuse, Inc.
Rev: 032923
2 of 4