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Terminal Blocks - Double Row
Series TB300 & TB345
Double Row Terminal Blocks
SPECIFICATIONS
Rating : TB300 – 30A, 600V*
TB345 – 45A, 600V*
Center Spacing : 0.562” or 9/16” (14.28mm)
Wire Range : #8 - 22 AWG CU
Screw Size : TB300 – #8-32 philslot screws
TB345 – #10-32 philslot screws
Torque Rating : #8 screws - 16 lb-in.;
#10 screws - 20 lb-in.
Distance Between Barriers : 0.41” (10.5mm)
Mounting : TB300 – #8 screws; TB345 – #10 screws
Operating Temperature : 130°C (266°F) max., -40°C (-40°F) min.
Material : Molded base: Black, UL rated 94V0 thermoplastic
Terminal plating: Tin over brass; Screws: zinc-plated steel
Breakdown Voltage : 7500V
Agency Information : UL File E62622, CSA File 47235; IEC
Compliance; CE Certified
* Max. rating shown; some options may be rated lower - consult factory.
TB345-06SP
Dimensions - in (mm)
TB300-08
Poles
A
B
Poles
A
B
Poles
A
B
TB300 & TB345
02
2.13
1.69
10
6.62 6.19
18
11.12
10.68
8-32 binding head s crew - TB 300
10-32 binding head s crew - TB 345
03
04
05
06
07
08
09
2.69
3.25
3.81
4.37
4.94
5.50
6.06
2.25
2.81
3.37
3.94
4.50
5.06
5.62
11
12
13
14
15
16
17
7.18 6.75
7.75 7.31
8.31 7.87
8.87 8.44
9.43 9.00
9.99 9.56
10.56 10.12
19
20
21
22
23
24
11.68
12.24
12.80
13.37
13.93
14.49
11.25
11.81
12.37
12.93
13.50
14.06
0.22
(5.6)
0.50 (12.7)
A
B
0.90 1.33
(22.8) (33.8)
* Dimensions in inches. To convert to millimeters, multiply by 25.4.
0.56
(14.2)
0.21dia.
0.56
(14.2)
0.412
(10.4)
0.21 x 0.25 s lot s
(5.3 x 6.3)
(5.3)
0.81
Part Numbering System
0.33 (8.4)
(20.5)
Series
T B 3
I I I I I
300 - 8-32 screw
345 - 10-32 screw
-
Poles
I I
02 to 24
Screw Options
I I
Blank - steel philslot, zinc-plated
00
- screws shipped bulk
B
- brass philslot, nickel-plated
Marking
I I
L1 to L6 - (pg 32)
Marker strips (pg 33)
Covers (pg 32)
Hardware Options
I I I I
QC1 to QC20 - quick connects
(TB300 only)
? J301 - flat slip-on jumper
BS - brass Sems philslot, nickel-plated
(TB300 only)
? 0J6 - over barrier jumper
? 0J11 - over barrier jumper
SP
P
ST
- steel Sems philslot, zinc-plated
- steel Sems (P-style)
(TB300 Series only)
- stainless steel, philslot
STR - stainless steel, phillips (recess)
?Contact factory for pole configuration.
For additional product information, visit www.cooperbussmann.com/magnum
29
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