POWR-GARD® Blocks and Holders Datasheet
GDB SERIES TOUCH-SAFE POWR-BLOKS™
Global Distribution Blocks
Features/Benefits
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Global part meeting UL standards
Space saving design
Integrated touch-safe cover to increase safety
IP20 protection rating
Mounts to DIN rail or panels
Reliable brass connections for excellent continuity
in a smaller design
Specifications
Voltage Rating
UL: 600 VAC/VDC
80 – 335 A
Ampere Rating
Material
Connector
Thermoplastic
GDBxxxx: Brass
GDBAxxxx: Aluminum (Tin Plated)
UL94 V-0
Flammability Rating
Approvals
Description
UL Recognized (File: E309688, E171395)
UL Listed (File: E482231)
CSA Certified (File: 700111)
-40°C to +90°C
-40°C to +100°C
50% @ 40°C, 90% @ 20°C
POWR-BLOKSTM Global Distribution Blocks add safety and
mounting versatility to our distribution block solutions. The
Global Distribution Blocks are approved to UL standards.
The Global Distribution Blocks are IP20 finger safe to reduce
the risk of contact and eliminate the need for block or panel
covers. Installation is quick and easy, all blocks can be
mounted on DIN rail or to the panel.
Operating Temperature
Storage Temperature
Relative Humidity
Environmental
RoHS compliant
Web Resources
For additional information visit Littelfuse.com/gdb
Electrical Specifications
WIRE RANGE
OVERCURRENT PROTECTION
AGENCY
LINE
CONNECTION
SCCR IN
RMS
SYM
FUSE REQUIRED
APPROVALS
LOAD CONNECTION
CATALOG/
ORDERING
NUMBER
Class RK1
CLASS CC
CLASS G (CCMR,
Class T
(JLLN,
JLLS)
Class RK5
(FLNR, FLSR,
IDSR)
OPENINGS OPENINGS
PER POLE PER POLE
CLASS J
(JTD_ID)
(LLNRK,
LLSRK, KLNR,
KLSR)
AMPS
LINE
LOAD
(SLC)
KLDR,
KLKR)
#8 - #4
-
-
-
-
-
-
-
-
GDB60801Z
GDB61151Z
1
1
80
1
1
#8 - #4
80
100,000
100,000
•
6
6
#10 - #14
-
-
#8 - #2
#10 - #6
#8 - #2
-
-
-
-
-
115
#14 - #4
125
•
•
-
-
-
-
-
GDB61153Z
GDBAD211Z
GDBAD241Z
GDB61601Z
GDB61753Z
GDBAD421Z
GDBAP421Z
3
1
1
1
3
1
1
115
115
115
160
175
200
200
1
1
1
1
1
1
1
6
1
4
6
6
1
1
#14 - #4
#14 - #2
125
175
-
-
-
-
-
100,000
100,000
65,000
#14 - #2
#10 - #2
#8 - 2/0
#8 - 2/0
#8 - 3/0
#8 - 3/0
#8 - 3/0
#8 - 3/0
#8 - 3/0
#8 - 3/0
225
200
-
100
100
-
60
30
-
60
60
-
30
30
-
•
•
•
#14 - #10 125
•
#14 - #4
#14 - #4
#8 - 3/0
#8 - 3/0
#8 - #2
175
175
225
225
225
100
225
100
100,000
100,000
100,000
100,000
•
-
-
-
-
-
•
225
225
225
110
225
110
200
200
200
100
200
100
60
60
60
30
60
30
60
60
60
60
60
60
30
30
•
•
•
•
GDBAD451Z
GDBAP451Z
1
1
200
200
1
1
30
30
100,000
100,000
•
•
•
•
4
4
#14 - #8
#8 - #2
#14 - #8
#14 - #2
#14 - #6
#14 - #8
3/0 - 350
kcmil
GDB63101Z
1
1
310
335
1
1
350
-
-
-
-
-
-
-
-
-
-
100,000
10,000
•
•
11
8
#6 - 400
kcmil
#14 - 3/0
GDBAD741Z
#14 - #2
-
•
1 of 10
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