Wire Connection Products
Double row terminal blocks
Series TB300 & TB345
Specifications
Description: Double row terminal blocks.
Ratings:
TB300-08
Volts:— 600V*
Amps:— 30A* (TB300)
— 45A (TB345)
9
Center Spacing: 0.562” or ⁄16” (14.28mm).
Wire Range: #8 - 22 AWG CU.
Screw Size: TB300 – #8-32 philslot screws
TB345 – #10-32 philslot screws
Poles: 2 to 24.
TB345-06SP
Torque Rating: #8 screws - 16 in-lb;
#10 screws - 20 in-lb
Distance Between Barriers: 0.41” (10.5mm).
Mounting: TB300 – #8 screws; TB345 – #10 screws.
Operating Temperature: +130/-40°C (+266/-40°F).
Construction: Molded, black thermoplastic base with
tin-plated brass terminals and zinc-plated steel screws.
TB300 & TB345 - in (mm)
Breakdown Voltage: 7500V.
8-32 binding head screw - TB 300
10-32 binding head screw - TB 345
Agency Information: UL/CSA; IEC Compliance; CE
Certified.
A
B
Flammability Rating: UL 94V0.
0.22
(5.6)
* Max rating shown; some options may be rated lower - consult Cooper Bussmann.
Dimensions - in
0.90
1.33
(33.8)
0.50 (12.7)
(22.8)
Poles
02
A
B
Poles
10
11
12
13
14
15
16
17
A
B
Poles
18
19
20
21
22
23
24
A
B
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
03
04
05
06
07
08
09
0.56
(14.2)
0.21 x 0.25 slots
(5.3 x 6.3)
0.412
(10.4)
0.56
(14.2)
.21dia.
(5.3)
0.81
(20.5)
0.33 (8.4)
1” = 25.4mm.
Catalog Number Build-A-Code
Series
Poles
Screw Options
Marking
Hardware Options
TB —
300 = 8-32 screw 02 to 24
345 = 10-32 screw
Blank = Steel philslot, zinc-plated
00 = Screws shipped bulk
B = Brass philslot, nickel-plated
L1 to L6 = (pg 296)
Marker strips (pg 297)
Covers (pg 296)
QC1 to QC20 = Quick connects (TB300 only)
J301 = Flat slip-on jumper
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 product data sheets, visit www.cooperbussmann.com/products/datasheet.asp
298