Datasheet

POWR-GARD® Blocks and Holders Datasheet
LFJ1000 Series Solar fuse block
1000 VDC • Clip-to-Box • Stud-to-Stud • Clip-to-Stud
Specifications
Clip-to-Box
Stud-to-Stud
Voltage Ratings
1000 VDC
Ampere Ratings
200, 400, 450 A
Flammability Rating
UL94 V-0
Termination Type
Box Lug or Stud Mount
Base Temp Rating
130˚ C
Approvals
UL 4248-18 Listed
File: E345481 Vol. 1
Environmental
RoHS Compliant
Clip-to-Stud
Description
Recommended Fuses
The LFJ1000 series fuse block is specifically designed
for the Littelfuse SPFJ 1000 V Solar Fuse. It meets UL
electrical requirements, is available in multiple amperages,
and comes in a variety of fuse mounting and termination
configurations; fuse clip to box lug, fuse stud to wire stud
and fuse clip to wire stud.
SPFJ Solar Series
Web Resources
Sample requests, downloadable CAD drawings, dimensions
and other technical information:
Littelfuse.com/LFJ1000
Features/Benefits
For a comprehensive overview of solar market solutions,
visit: Littelfuse.com/Solar
• Narrow width increases space savings
• Range of amperages to match all SPFJ fuse options
• Box Lug termination style accommodates a wide range of cable sizes
• Stud-mounted option increases convenience
• Approval for use with copper or aluminum lugs allowing for design flexibility
Ordering Information
(Clip-to-Box Lug 1000 V)
Amperage
ORDERING
Number
INTERRUPT
RATING
WIRE RANGE
Standard (Metric)
200
LFJ102001C
20 kA
250 kcmil - #6 (127mm2 - 16mm2)
400
LFJ104001C
10 kA
350 kcmil - 1/0 (177mm2 - 55mm2)
450
LFJ104501C
20 kA
500 kcmil - #4 (253mm2 - 25mm2)
Wire TYPE
Cu/Al
Solid/
Stranded
RECOMMENDED
TORQUE
275 in-lb (31.1 N-m)
275 in-lb (31.1 N-m)
375 in-lb (42.4 N-m)
(Stud-to-Stud 1000 V)
RECOMMENDED TORQUE
FUSE
TERMINAL
AMPERAGE
ORDERING
Number
INTERRUPT
RATING
MAX. BUSBAR
THICKNESS
200
LFJ102001STST
20 kA
65 in-lb (7.3 N-m)
200 in-lb (22.6 N-m)
.774” (19.66 mm)
400
LFJ104001STST
10 kA
170 in-lb (19.2 N-m)
200 in-lb (22.6 N-m)
.555” (14.10 mm)
450
LFJ104501STST
20 kA
300 in-lb (33.9 N-m)
300 in-lb (33.9 N-m)
.570” (14.18 mm)
RECOMMENDED BASE TORQUE
BOLT SIZE
TORQUE
1/4”
5/16”
30-40 in-lb
40-50 in-lb
(Clip-to-Stud 1000 V)
AMPERAGE
ORDERING
Number
INTERRUPT
RATING
RECOMMENDED TORQUE
TERMINAL
MAX. BUSBAR
THICKNESS
200
LFJ102001CST
20 kA
200 in-lb (22.6 N-m)
.774” (19.66 mm)
400
LFJ104001CST
10 kA
200 in-lb (22.6 N-m)
.555” (14.10 mm)
450
LFJ104501CST
20 kA
300 in-lb (33.9 N-m)
.570” (14.18 mm)
Littelfuse.com
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RECOMMENDED BASE TORQUE
BOLT SIZE
TORQUE
1/4”
5/16”
30-40 in-lb
40-50 in-lb
© 2012 Littelfuse POWR-GARD® Products
Rev: 120512
POWR-GARD® Blocks and Holders Datasheet
LFJ1000 Series Solar fuse block
Dimensions mm (inches)
Clip-to-Box 1000 V 200 A
155.7
(6.13)
77.9
(3.07)
19.1
(0.75)
50.8
(2.00)
69.9
(2.75)
ø8.64 THRU
⊔ø19.1 10.2
ø0.34 THRU
[⊔
ø0.75 0.40 ]
72.4
(2.85)
15.9
(0.63)
Clip-to-Box 1000 V 400 A
254.0
(10.0)
146.1
(5.75)
108.0
(4.25)
19.1
(0.75)
57.2
(2.25)
76.2
(3.00)
ø8.6 THRU
⊔ø19.1 11.2
ø0.34 THRU
[⊔
ø0.75 0.44 ]
84.4
(3.32)
15.9
(0.63)
Clip-to-Box 1000 V 450 A
298.45
(11.75)
174.63
(6.88)
123.83
(4.88)
25.40
(1.00)
76.20
(3.00)
101.60
(4.00)
ø7.1 THRU
⊔ø14.2 x 11.2
ø0.28 THRU
[⊔
ø0.56 x 0.44]
110.58
(4.35)
15.88
(0.63)
Littelfuse.com
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© 2012 Littelfuse POWR-GARD® Products
Rev: 120512
POWR-GARD® Blocks and Holders Datasheet
LFJ1000 Series Solar fuse block
Dimensions mm (inches)
Stud-to-Stud 1000 V 200 A
105.41
(4.150)
20.88
(.822)
87.33
(3.438)
∅ 8.64 THRU
⊔∅19.05 10.16
∅ 0.34 THRU
⊔∅ 0.75 0.40
[
87.33
(3.438)
22.10
(.870)
]
111.13
(4.375)
195.53
(7.698)
7/16-14 UNC-2A
1/4-20 UNC-2A
34.14
(1.344)
74.93
(2.950)
79.76
(3.140)
40.79
(1.606)
231.70
(9.122)
Stud-to-Stud 1000 V 400 A
120.17
(4.731)
96.42
(3.796)
8.61
(.339)
50.00
(1.969)
33.02
(1.30)
8.61
(.339)
29.49
(1.161)
TYP
∅ 8.64 THRU
⊔∅19.05 10.16
∅ 0.34 THRU
⊔∅ 0.75 0.40
[
133.35
(5.250)
7/16-14 UNC-2A
16.13
(.635)
]
230.94
(9.092)
3/8-16 UNC-2A
28.57
(1.125)
74.93
(2.950)
46.36
(1.825)
90.08
(3.547)
16.13
(.635)
76.20
(3.000)
278.43
(10.962)
Stud-to-Stud 1000 V 450 A
135.80
(5.347)
108.41
(4.268)
8.61
(.339)
29.49
(1.161)
8.61
(.339)
152.40
(6.000)
33.02
(1.300)
∅ 8.64 THRU
⊔∅19.05 10.16
∅ 0.34 THRU
⊔∅ 0.75 0.40
[
]
254.91
(10.036)
1/2-13 UNC-2A
30.17
(1.188)
99.61
(3.922)
81.28
(3.200)
51.11
(2.012)
16.13
(.635)
101.160
(4.000)
309.70
(12.193)
Littelfuse.com
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© 2012 Littelfuse POWR-GARD® Products
Rev: 120512
POWR-GARD® Blocks and Holders Datasheet
LFJ1000 Series Solar fuse block
Dimensions mm (inches)
Clip-to-Stud 1000 V 200 A
231.7
(9.12)
126.3
(4.97)
105.4
(4.15)
14.0
(.55)
36.0
(1.42) 50.0
(1.97)
ø8.6 THRU
⊔ø19.1 10.2
20.9
(.82)
22.1
(.87)
ø.34 THRU
[⊔
ø.75 0.40 ]
74.9
(2.95)
16.1
(.64)
Clip-to-Stud 1000 V 400 A
278.4
(10.96)
158.3
(6.23)
149.7
(5.89)
128.8
(5.07)
40.8
(1.61)
120.2
(4.73)
21.6
(.85)
54.6
(2.15)
33.0
(1.30)
76.2
(3.00)
ø8.6 THRU
⊔ø19.1 10.2
29.5
(1.16)
ø.34 THRU
[⊔
ø.75 0.40 ]
84.6
(3.33)
46.4
(1.83)
16.1
(.64)
Clip-to-Stud 1000 V 450 A
309.7
(12.19)
173.9
(6.85)
165.3
(6.51) 144.4
(5.69)
135.8
(5.35)
34.3
(1.35)
67.3
(2.65)
101.6
(4.00)
ø8.6 THRU
33.0
(1.30)
29.5
(1.16)
⊔ø19.1 10.2
ø.34 THRU
[⊔
ø.75 0.40 ]
110.8
(4.36)
51.1
(2.01)
16.1
(.64)
Littelfuse.com
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© 2012 Littelfuse POWR-GARD® Products
Rev: 120512