Conne c tors
Double Row Te rm ina l Bloc ks
Se rie s TB300 & TB345
Spe c ific a tions
De s c ription: Double row terminal blocks.
Ra tings :
TB300-08
Volts:— 600V*
Amps:— 30A* (TB300)
— 45A (TB345)
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.
TB345-06SP
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
TB300 & TB345 - in (mm)
Agency Information: UL File E62622, CSA File 47235; IEC
Compliance; CE Certified
* Max rating shown; some options may be rated lower - consult Cooper Bussmann.
8-32 binding head screw - TB 300
10-32 binding head screw - TB 345
A
B
0.22
(5.6)
PDoleims e ns ionsB- in
A
Poles
10
A
B
Poles
18
A
B
02
03
04
05
06
07
08
09
2.13
2.69
3.25
3.81
4.37
4.94
5.50
6.06
1.69
2.25
2.81
3.37
3.94
4.50
5.06
5.62
6.62
7.18
7.75
8.31
8.87
9.43
9.99
10.56
6.19
6.75
7.31
7.87
8.44
9.00
9.56
10.12
11.12
11.68
12.24
12.80
13.37
13.93
14.49
10.68
11.25
11.81
12.37
12.93
13.50
14.06
0.90
(22.8)
1.33
(33.8)
0.50 (12.7)
11
19
12
20
13
21
0.56
(14.2)
14
22
0.21 x 0.25 slots
(5.3 x 6.3)
0.412
(10.4)
0.56
(14.2)
15
23
.21dia.
(5.3)
16
24
17
1” = 25.4mm.
0.81
(20.5)
0.33 (8.4)
Ca t a lo g Nu m b e r Bu ild -A-Co d e
Series
TB
Poles
Screw Options
Marking/Cover
Hardware Options
—
300 = 8-32 screw 02 to 24
Blank = Steel philslot, zinc-plated
00 = Screws shipped bulk
L1 to L6 Marking Strips (pg 318)
Special Markings (pg 318)
Covers (pg 318)
QC1 to QC20 = Quick connects (TB300 only)
J301 = Flat slip-on jumper
345 = 10-32 screw
B = Brass philslot, nickel-plated
0J6 = Over barrier jumper
BS = Brass Sems philslot, nickel-plated
(TB300 only)
0J11 = Over barrier jumper
SP = Steel Sems philslot, zinc-plated
P = Steel Sems (P-style)
ST = Stainless steel, philslot
STR = Stainless steel, phillips (recess)
For more information, visit www.cooperbussmann.com
316