POWR-GARD® Blocks and Holders Datasheet
LF SERIES CLASS H/K5 AND R FUSE BLOCKS
Ordering Information (Class H 250 V)
ORDERING NUMBER
BASE
TEMP
RATING
COVER
ORDERING
NUMBER *
WIRE
TYPE
BOX LUG
SLOT
TORQUE
WIRE RANGE
BOX LUG
HEX SCREW
PRESSURE
PLATE
SCREW
SCREW
BOX LUG
6–14 AWG
1
2
—
—
—
LFH250301C LFH250301P LFH250301S
LFH250302C LFH250302P LFH250302S
LFH250303C LFH250303P LFH250303S
—
—
—
PRESSURE PLATE
10–14 AWG
30
2.8 N-m (25 in-lbs)
CU only
125 ˚C
•
LFH25030FBC
SCREW
10–22 AWG
3
1
—
—
—
—
—
LFH250601CID
LFH250601C
LFH250602CID
—
—
—
—
—
—
•
—
•
—
•
—
•
—
•
5.6 N-m (50 in-lbs)
2.8 N-m (25 in-lbs)
2–4 AWG
60
CU-AL
125 ˚C
130 ˚C
•
LFH25060FBC
LFH25100FBC
2
3
1
3
6–14 AWG
LFH250602C
LFH250603CID
LFH250603C
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
LFH251001CID
LFH251001C
LFH251003CID
LFH251003C
LFH252001C
LFH252003C
LFH254001C
LFH254003C
LFH256001C
LFH256003C
—
—
—
—
—
13.6 N-m (120 in-lbs)
4.5 N-m (40 in-lbs)
4.0 N-m (35 in-lbs)
2/0–6 AWG
8 AWG
100
CU-AL
CU-AL
—
10–14 AWG
—
1
3
1
3
1
3
200
400
600
—
—
—
31.1 N-m (275 in-lbs)
250 kcmil-6
130 ˚C
130 ˚C
130 ˚C
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
31.1 N-m (275 in-lbs) (2) 350 kcmil-1/0 CU-AL
42.4 N-m (375 in-lbs) (2) 500 kcmil-4 CU-AL
Note: Reinforcing springs standard on all Class H fuse blocks.
*Covers sold individually. One cover needed for each pole.
Ordering Information (Class H 600 V)
ORDERING NUMBER
BASE
TEMP
RATING
COVER
ORDERING
NUMBER *
WIRE
TYPE
BOX LUG
TORQUE
WIRE RANGE
BOX LUG
HEX SCREW
PRESSURE
PLATE
SLOT
SCREW
SCREW
BOX LUG
6–14 AWG
—
—
—
—
—
—
—
—
—
LFH600301CID LFH600301PID LFH600301SID
LFH600301C LFH600301P LFH600301S
LFH600302CID LFH600302PID LFH600302SID
LFH600302C LFH600302P LFH600302S
LFH600303CID LFH600303PID LFH600303SID
LFH600303C LFH600303P LFH600303S
•
—
•
—
•
—
—
•
—
•
—
•
—
•
—
•
1
2
3
1
2
3
1
3
PRESSURE PLATE
10–14 AWG
30
2.8 N-m (25 in-lbs)
CU only
130 ˚C
•
LFH60030FBC
SCREW
10–22 AWG
LFH600601CID
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
LFH600601C
LFH600602CID
5.6 N-m (50 in-lbs)
2.8 N-m (25 in-lbs)
2–4 AWG
60
CU-AL
130 ˚C
130 ˚C
•
LFH60060FBC
LFH60100FBC
—
—
—
LFH600602C
LFH600603CID
6–14 AWG
LFH600603C
LFH601001CID
LFH601001C
LFH601003CID
LFH601003C
LFH602001C
LFH602003C
LFH604001C
LFH604003C
LFH606001C
LFH606003C
—
—
—
—
—
—
—
—
—
—
13.6 N-m (120 in-lbs)
4.5 N-m (40 in-lbs)
4.0 N-m (35 in-lbs)
2/0–6 AWG
8 AWG
100
CU-AL
CU-AL
—
10–14 AWG
1
3
1
3
1
3
200
400
600
—
—
—
31.1 N-m (275 in-lbs)
250 kcmil-6
130 ˚C
130 ˚C
130 ˚C
—
—
—
—
—
—
31.1 N-m (275 in-lbs) (2) 350 kcmil-1/0 CU-AL
42.4 N-m (375 in-lbs) (2) 500 kcmil-4 CU-AL
Note: Reinforcing springs standard on all Class H fuse blocks.
*Covers sold individually. One cover needed for each pole.
Littelfuse.com
© 2022 Littelfuse, Inc.
Rev: 081622
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