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PSR SERIES HIGH-SPEED SQUARE BODY FUSES

Dimensions (31 Case Size)

Millimeters [inches]

Document Number:

OL-PSR031FS0000 Rev B and OL-PSR031FL0000 Rev. B

FL Stud Size:

M8x1.25 - 6H

8.0 [0.31]

FS Stud Size:

5/16-18 UNC-2B

8.0 [0.31]

Recommended Torque:

13.5 Nm

CHICAGO, ILLINOIS 60631

3RD ANGLE

PROJECTION

A

OL-PSR031FL0000

TITLE

C

DRW

DATE

GRAMS/PIECE

FINISH GOOD WT

TVESELSK

6/30/2017

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

SQUARE BODY 31 CASE SIZE - METRIC THREAD OUTLINE

NTS

REVISION

REV

DATE

DESCRIPTION

A

08/11/2017

518016GCP - RELEASED -TV

¼" Q.C.

TERMINAL

VISUAL INDICATOR

FUSE WITH MICROSWITCH

84.9

[3.34]

48.2 [1.90] REF

M4x0.7 THREAD

10.00 [0.394]

STUD LENGTH

MOUNTING SPECS:

STUD SIZE: M8

STUD TORQUE: 13.5Nm

49.0 - 51.0

[1.93 - 2.01]

51.5

[2.03]

51.5

[2.03]

57.5 [2.26] REF

20

[.8]

M8x1.25 - 6H

 8.00

 8.50 X 82°

M8x1.25 - 6H

 .31

 .33 X 82°

[

]

CHICAGO, ILLINOIS 60631

3RD ANGLE

PROJECTION

A

OL-PSR031FL0000

TITLE

C

DRW

DATE

GRAMS/PIECE

FINISH GOOD WT

TVESELSK

6/30/2017

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

SQUARE BODY 31 CASE SIZE - METRIC THREAD OUTLINE

NTS

REVISION

REV

DATE

DESCRIPTION

A

08/11/2017

518016GCP - RELEASED -TV

¼" Q.C.

TERMINAL

VISUAL INDICATOR

FUSE WITH MICROSWITCH

84.9

[3.34]

48.2 [1.90] REF

M4x0.7 THREAD

10.00 [0.394]

STUD LENGTH

MOUNTING SPECS:

STUD SIZE: M8

STUD TORQUE: 13.5Nm

49.0 - 51.0

[1.93 - 2.01]

51.5

[2.03]

51.5

[2.03]

57.5 [2.26] REF

20

[.8]

M8x1.25 - 6H

 8.00

 8.50 X 82°

M8x1.25 - 6H

 .31

 .33 X 82°

[

]

CHICAGO, ILLINOIS 60631

3RD ANGLE

PROJECTION

A

OL-PSR031FL0000

TITLE

C

DRW

DATE

GRAMS/PIECE

FINISH GOOD WT

TVESELSK

6/30/2017

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

SQUARE BODY 31 CASE SIZE - METRIC THREAD OUTLINE

NTS

REVISION

REV

DATE

DESCRIPTION

A

08/11/2017

518016GCP - RELEASED -TV

¼" Q.C.

TERMINAL

VISUAL INDICATOR

FUSE WITH MICROSWITCH

84.9

[3.34]

48.2 [1.90] REF

M4x0.7 THREAD

10.00 [0.394]

STUD LENGTH

MOUNTING SPECS:

STUD SIZE: M8

STUD TORQUE: 13.5Nm

49.0 - 51.0

[1.93 - 2.01]

51.5

[2.03]

51.5

[2.03]

57.5 [2.26] REF

20

[.8]

M8x1.25 - 6H

 8.00

 8.50 X 82°

M8x1.25 - 6H

 .31

 .33 X 82°

[

]

CHICAGO, ILLINOIS 60631

3RD ANGLE

PROJECTION

A

OL-PSR031FL0000

TITLE

C

DRW

DATE

GRAMS/PIECE

FINISH GOOD WT

TVESELSK

6/30/2017

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

SQUARE BODY 31 CASE SIZE - METRIC THREAD OUTLINE

NTS

REVISION

REV

DATE

DESCRIPTION

A

08/11/2017

518016GCP - RELEASED -TV

¼" Q.C.

TERMINAL

VISUAL INDICATOR

FUSE WITH MICROSWITCH

84.9

[3.34]

48.2 [1.90] REF

M4x0.7 THREAD

10.00 [0.394]

STUD LENGTH

MOUNTING SPECS:

STUD SIZE: M8

STUD TORQUE: 13.5Nm

49.0 - 51.0

[1.93 - 2.01]

51.5

[2.03]

51.5

[2.03]

57.5 [2.26] REF

20

[.8]

M8x1.25 - 6H

 8.00

 8.50 X 82°

M8x1.25 - 6H

 .31

 .33 X 82°

[

]

CHICAGO, ILLINOIS 60631

3RD ANGLE

PROJECTION

A

OL-PSR031FL0000

TITLE

C

DRW

DATE

GRAMS/PIECE

FINISH GOOD WT

TVESELSK

6/30/2017

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

SQUARE BODY 31 CASE SIZE - METRIC THREAD OUTLINE

NTS

REVISION

REV

DATE

DESCRIPTION

A

08/11/2017

518016GCP - RELEASED -TV

¼" Q.C.

TERMINAL

VISUAL INDICATOR

FUSE WITH MICROSWITCH

84.9

[3.34]

48.2 [1.90] REF

M4x0.7 THREAD

10.00 [0.394]

STUD LENGTH

MOUNTING SPECS:

STUD SIZE: M8

STUD TORQUE: 13.5Nm

49.0 - 51.0

[1.93 - 2.01]

51.5

[2.03]

51.5

[2.03]

57.5 [2.26] REF

20

[.8]

M8x1.25 - 6H

 8.00

 8.50 X 82°

M8x1.25 - 6H

 .31

 .33 X 82°

[

]

SEE STUD SIZE