Terminal Blocks

Terminals blocks are common components that safely and efficiently connect wires in electrical systems—especially control panels, distribution systems, and industrial automation. They organize and manage the kind of complex wiring that electric control engineers work with every day and provide a secure, yet simple, way to make numerous wire connections without the worry of them coming apart during operation.

Although PCB terminal blocks and terminal block connectors serve specialized functions, directly interfacing with circuit boards or components in a modular format, traditional terminal blocks are vital for field wiring. Their modular nature allows for installation on DIN rails or mounting plates, which makes them suitable for control cabinets and junction boxes, where the organization is crucial. They are easily accessible, and you can wire them to just about any kind of electrical component. Terminal blocks are designed to accommodate a wealth of different wire sizes and conductor cross sections, so they couple with a large variety of components to provide consistent, reliable service.

Found 1848 items
Filters (1)
Found 1848 items
Manufacturer
Phoenix Contact (1486)
Weidmuller (362)
Component
Terminal Block (1848)
Sub Component
Component Terminal Block (30)
Control Voltage Distribution (63)
Disconnect Terminal Block (68)
Distributor Terminal Block (931)
Double-Level Terminal Block (65)
Feed-Through Modular Terminal Block (1)
Feed-Through Terminal Block (330)
Fuse Modular Terminal Block (38)
Fuse Terminal Block (47)
Ground Modular Terminal Block (60)
Terminal Block Component Color
Black (161)
Black/Yellow (86)
Blue (238)
Blue/Black (1)
Blue/White (1)
Brown (94)
Dark Beige (131)
Dark Beige/Black/Yellow (1)
Dark Blue (9)
Gray (331)
Terminal Block Number of Levels
1 (1544)
2 (176)
3 (64)
4 (15)
8 (13)
16 (4)
Terminal Block Voltage Rating
12 Volt (3)
24 Volt (14)
36 Volt (3)
48 Volt (1)
60 Volt (3)
70 Volt (3)
150 Volt (3)
250 Volt (73)
400 Volt (93)
450 Volt (494)
Terminal Block Amperage
0.5 Amp (17)
1.5 Amp (4)
5 Amp (2)
6 Amp (4)
6.3 Amp (25)
8 Amp (8)
9 Amp (6)
10 Amp (34)
10 mAmp (1)
13.5 Amp (26)
Terminal Block Width
3.5 mm (195)
4.2 mm (15)
5.1 mm (99)
5.2 mm (254)
6.1 mm (80)
6.2 mm (106)
7 mm (4)
8.1 mm (22)
8.2 mm (45)
8.3 mm (13)
Terminal Block Number of Connections
1 (35)
2 (356)
3 (136)
4 (289)
5 (36)
6 (193)
7 (147)
8 (20)
10 (3)
11 (3)
Terminal Block Max Wire Size
4 (16)
6 (11)
8 (43)
10 (400)
12 (596)
14 (363)
16 (8)
Terminal Block Min Wire Size
16 (2)
20 (65)
22 (1)
24 (404)
26 (965)
Jumper Number of Positions
3 (1)
4 (18)
Terminal Block Connection Method
Bolt Connection (94)
Crimp Connection (2)
DIN Rail (10)
Fast Connection (7)
Front Screw Connection (18)
Leg Spring Connection (3)
Panel (6)
Plug Connection (140)
Power-Turn Connection (60)
Push X Connection (3)
Terminal Block Diode
With Diode (2)
Terminal Block Disconnect
Knife Disconnect (38)
Lever-Type Disconnect (1)
Removable Disconnect (28)
Terminal Block Fuse Type
3 X 32 (4)
C (1)
G - 5 X 20 (24)
G - 6 (4)
Midget - 10.3 X 38 (2)
Type C - Max. 2.2 W (4)
Type F (Miniature) (3)
Terminal Block Fused
Fused (38)
Not Fused (1428)
Terminal Block Grounded
Grounded (94)
Not Grounded (1372)
Terminal Block Indication
LED (13)
No Indicator (1417)
Terminal Block With Test Disconnects
With Test Socket Screws (5)
Normally In Stock
Phoenix Contact 3209510 Feed-through terminal block PT 2,5
Free U.S Ground shipping
$1.70
$1.42
Normally In Stock
Phoenix Contact 3209578 Feed-through terminal block PT 2,5-QUATTRO
Free U.S Ground shipping
$2.64
$2.20
Normally In Stock
Phoenix Contact 3209549 Feed-through terminal block PT 2,5-TWIN
Free U.S Ground shipping
$1.97
$1.64
Normally In Stock
Phoenix Contact 3211797 Feed-through terminal block PT 4-QUATTRO
Free U.S Ground shipping
$3.38
$2.82
Normally In Stock
Phoenix Contact 3211757 Feed-through terminal block PT 4
Free U.S Ground shipping
$2.02
$1.68
Normally In Stock
Phoenix Contact 3211813 Feed-through terminal block PT 6
Free U.S Ground shipping
$3.53
$2.94
Normally In Stock
Phoenix Contact 3211766 Protective conductor terminal block PT 4-PE
Free U.S Ground shipping
$6.47
$5.39
Normally In Stock
Phoenix Contact 1078960 Feed-through terminal block PTV 2,5
Free U.S Ground shipping
$1.86
$1.55
Normally In Stock
Phoenix Contact 3211886 Fuse modular terminal block PTTB 4-HESI (5X20)
Free U.S Ground shipping
$8.15
$6.79
Normally In Stock
Phoenix Contact 3211809 Protective conductor terminal block PT 4-QUATTRO-PE
Free U.S Ground shipping
$8.54
$7.12
Normally In Stock
Phoenix Contact 3209633 Feed-through terminal block PT 2,5-TWIN/1P
Free U.S Ground shipping
$1.97
$1.64
Normally In Stock
Phoenix Contact 3273636 Distribution block PTFIX 10/18X4-NS35 GY
Free U.S Ground shipping
$10.02
$8.35
Normally In Stock
Phoenix Contact 3210567 Double-level terminal block PTTB 2,5
Free U.S Ground shipping
$3.97
$3.31
Normally In Stock
Phoenix Contact 3273374 Distribution block PTFIX 6/18X2,5 GY
Free U.S Ground shipping
$7.26
$6.05
Normally In Stock
Phoenix Contact 3209536 Protective conductor terminal block PT 2,5-PE
Free U.S Ground shipping
$6.41
$5.34
Normally In Stock
Phoenix Contact 3212138 Feed-through terminal block PT 16 N
Free U.S Ground shipping
$4.92
$4.10
Normally In Stock
Phoenix Contact 3211776 Feed-through terminal block PT 4 BK
Free U.S Ground shipping
$2.11
$1.76
Normally In Stock
Phoenix Contact 1045925 Monoblock PTFIX 2X1,5 BU
Free U.S Ground shipping
$0.86
$0.72
Normally In Stock
Phoenix Contact 1046611 Distribution block PTFIX 4X1,5 RD
Free U.S Ground shipping
$1.32
$1.10
Normally In Stock
Phoenix Contact 3273644 Distribution block PTFIX 10/18X4-NS35 GN
Free U.S Ground shipping
$10.02
$8.35
Normally In Stock
Phoenix Contact 3273112 Distribution block PTFIX 6/18X2,5-NS35 BU
Free U.S Ground shipping
$7.34
$6.12
Normally In Stock
Phoenix Contact 3273474 Distribution block PTFIX 6/6X2,5-G BK
Free U.S Ground shipping
$3.97
$3.31
Normally In Stock
Phoenix Contact 1070018 Protective conductor terminal block PTRVB 4-PE
Free U.S Ground shipping
$41.86
$34.88
Normally In Stock
Phoenix Contact 1046608 Distribution block PTFIX 4X1,5 GY
Free U.S Ground shipping
$1.32
$1.10
Normally In Stock
Phoenix Contact 1046616 Distribution block PTFIX 4X1,5 BK
Free U.S Ground shipping
$1.32
$1.10
Normally In Stock
Phoenix Contact 3002757 Distribution block PTFIX 6X1,5 GY
Free U.S Ground shipping
$1.75
$1.46
Normally In Stock
Phoenix Contact 3002761 Distribution block PTFIX 6X1,5 BU
Free U.S Ground shipping
$1.75
$1.46
Normally In Stock
Phoenix Contact 3002765 Distribution block PTFIX 6X1,5 RD
Free U.S Ground shipping
$1.75
$1.46
Normally In Stock
Phoenix Contact 3002781 Distribution block PTFIX 6X1,5 BK
Free U.S Ground shipping
$1.75
$1.46
Normally In Stock
Phoenix Contact 1046962 Distribution block PTFIX 4/12X1,5 BU
Free U.S Ground shipping
$5.90
$4.92
Normally In Stock
Phoenix Contact 3273282 Distribution block PTFIX 6X2,5 OG
Free U.S Ground shipping
$2.16
$1.80
Normally In Stock
Phoenix Contact 1028077 Monoblock PTFIX 2X2,5 OG
Free U.S Ground shipping
$0.71
$0.59
Normally In Stock
Phoenix Contact 1045923 Monoblock PTFIX 2X1,5 GY
Free U.S Ground shipping
$0.86
$0.72
Normally In Stock
Phoenix Contact 3211778 Feed-through terminal block PT 4 WH
Free U.S Ground shipping
$2.11
$1.76
Normally In Stock
Phoenix Contact 3211760 Feed-through terminal block PT 4 BU
Free U.S Ground shipping
$2.02
$1.68
Normally In Stock
Phoenix Contact 1078966 Feed-through terminal block PTV 2,5-TWIN
Free U.S Ground shipping
$2.16
$1.80
Normally In Stock
Phoenix Contact 1078999 Feed-through terminal block PTV 2,5-QUATTRO
Free U.S Ground shipping
$3.07
$2.56
Normally In Stock
Phoenix Contact 3002609 Fuse modular terminal block PT 4-L/HESILED 24 (5X20)
Free U.S Ground shipping
$20.63
$17.19
Normally In Stock
Phoenix Contact 3211888 Fuse modular terminal block PTTB 4-HESILED 24 (5X20)
Free U.S Ground shipping
$19.68
$16.40
Normally In Stock
Phoenix Contact 3210541 Multi-level terminal block PT 2,5-PE/L/L
Free U.S Ground shipping
$10.74
$8.95
Normally In Stock
Phoenix Contact 3211822 Protective conductor terminal block PT 6-PE
Free U.S Ground shipping
$8.76
$7.30
Normally In Stock
Phoenix Contact 3273270 Distribution block PTFIX 6X2,5 YE
Free U.S Ground shipping
$2.16
$1.80
Normally In Stock
Phoenix Contact 3273272 Distribution block PTFIX 6X2,5 GN
Free U.S Ground shipping
$2.16
$1.80
Normally In Stock
Phoenix Contact 3211480 Component terminal block PTTB 2,5-2BE
Free U.S Ground shipping
$4.20
$3.50
Normally In Stock
Phoenix Contact 3213713 Multi-level terminal block PT 1,5/S-3L
Free U.S Ground shipping
$5.35
$4.46
Normally In Stock
Phoenix Contact 3210499 Multi-level terminal block PT 2,5-3L
Free U.S Ground shipping
$6.56
$5.47

More Information about Terminal Blocks

Barrier strips, a common kind of terminal block, are often used when it's critical to have circuit separation and insulation, particularly in high current situations. These strips are engineered very well to keep wires tight and in place. Terminal blocks allow for easy installation, easy wiring and easy testing to a high degree in various industrial applications.

FAQs

What type of connection technology do terminal strips use to connect conductors in a wide range of applications?

Terminal strips typically use screw or spring clamp connection technology to connect conductors securely in a wide range of applications, offering reliable and durable electrical connections.

What advantages do terminal blocks provide when working with different conductor types?

Terminal blocks provide the advantage of secure, consistent connections across different conductor types by accommodating various wire sizes and offering multiple connection technologies such as screw, push-in, and spring clamp.

Terminal Blocks: The Top 5 Things You Must Know

Is there a plan in place? 

Make sure to have a proper plan in place for a specific application. With such a wide variety of terminal blocks available, it is important to use the correct types for various circuits. If the wrong types of terminal blocks are used, it could cause many issues, including possibly being very dangerous.

Is a disconnect necessary? 

The most basic types of terminal blocks, simply act as a junction point. This allows current to pass through with nothing to stop it. However, if there is a need to stop current from flowing, some kind of disconnect will be required. There are a variety of different types of terminal blocks that have manual disconnects that can be used for this very purpose. 

What about protection? 

In many cases, devices connected to terminal blocks need protection. Terminal blocks that have a place for a fuses to be connected would be the ideal choice.

Is space limited? 

In situations where there is very little room to accommodate the amount of IO that is need for a specific scenario, multi-level terminal blocks can wire multiple points or circuits in much less space than using single level terminal blocks.

Is grounding necessary? 

When doing any kind of electrical wiring, proper grounding is essential to make sure all components in that circuit function properly. There are several different styles of grounding terminal blocks to meet different scenarios.