Connectors
Double Row Terminal Blocks
Series TB300 & TB345
Specifications
Description:
Double row terminal blocks.
Ratings:
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.
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 Cooper Bussmann.
TB300-08
TB345-06SP
TB300 & TB345 - in (mm)
8-32 binding head
screw
- TB 300
10-32 binding head
screw
- TB 345
A
0.22
(5.6)
B
Dimensions - in
Poles
02
03
04
05
06
07
08
09
A
2.13
2.69
3.25
3.81
4.37
4.94
5.50
6.06
B
1.69
2.25
2.81
3.37
3.94
4.50
5.06
5.62
Poles
10
11
12
13
14
15
16
17
A
6.62
7.18
7.75
8.31
8.87
9.43
9.99
10.56
B
6.19
6.75
7.31
7.87
8.44
9.00
9.56
10.12
Poles
18
19
20
21
22
23
24
A
11.12
11.68
12.24
12.80
13.37
13.93
14.49
B
10.68
11.25
11.81
12.37
12.93
13.50
14.06
0.50 (12.7)
0.90
1.33
(22.8) (33.8)
0.56
(14.2)
.21dia.
(5.3)
0.56
(14.2)
0.412
(10.4)
0.21 x 0.25
slots
(5.3 x 6.3)
1” = 25.4mm.
0.33 (8.4)
0.81
(20.5)
Catalog Number Build-A-Code
Series
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
BS = Brass Sems philslot, nickel-plated
(TB300 only)
SP = Steel Sems philslot, zinc-plated
P = Steel Sems (P-style)
ST = Stainless steel, philslot
STR = Stainless steel, phillips (recess)
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
0J6 = Over barrier jumper
0J11 = Over barrier jumper
Poles
Screw Options
Marking/Cover
Hardware Options
316
For more information, visit www.cooperbussmann.com
Connectors
Double Row Terminal Blocks
Screw Options
B
Brass Philslot
Nickel-Plated
BS
Brass SEMS
Philslot Nickel-Plated
SP
Steel SEMS
Philslot Zinc-Plated
P
Steel SEMS
(P-Style)
ST
Stainless Steel
Philslot
STR
Stainless Steel
Phillips (recess)
Hardware Options
Quick Connects – Assembled:
TB300 only. Terminals 0.25” x 0.031”. Maximum current rating 20 amps. For other orientations, contact Cooper Bussmann.
QC1
QC2
QC3
QC4
QC5
QC6
QC7
QC8
QC9
QC10
QC11
QC12
QC13
QC14
QC15
QC16
QC17
QC18
QC19
QC20
Quick Connects – Bulk:
(*TB300 only) minimum order per part number. – 100 pieces.
Connectors
QC201
Flat – none
QC202
QC 45° – none
QC203
QC 90° – none
QC204
Flat – Flat
QC205
Flat – QC 45°
QC206
Flat – QC 90°
QC207
QC208
QC 45° – QC 45° QC 45° – QC 90°
QC209
QC 90° – QC 90°
Jumpers – Bulk:
minimum order per part number – 100 pieces. Contact Cooper Bussmann for jumper assembly.
J301
Flat slip-on(TB300 only)
OJ6
Closed over barrier
OJ11
Slip-on over barrier
For more information, visit www.cooperbussmann.com
317
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