Connection Terminal Blocks

Connection terminal blocks are essential components in electrical systems, designed to join and manage wires in a secure and organized manner. Control panels, automation systems, and machinery use these blocks very often to furnish dependable electrical contacts between wires that are connected. Connection terminal blocks are responsible for ensuring stable current flow and allow for quick installation and maintenance, whether they employ a screw connection, push-in technology, or spring technology. The use of these blocks in enclosures that are mounted on DIN rails is a uncomplicated and reliable means of ensuring that current can flow to where it is needed.

These terminals accommodate a variety of components and wire cross sections, enabling engineers to match the right connector to the application. Whether working with flexible conductors, rigid copper wires, or multi-core cables, terminal block connectors provide the versatility needed for modern control and distribution systems. With options like push-in connections for tool-free wiring and modular designs for expansion, connection terminal blocks can be adapted to meet evolving requirements while maintaining efficient and reliable operation. Their robust design and adaptability make them a vital part of efficient electrical infrastructure.

Found 18 items
Filters
Found 18 items
Manufacturer
Phoenix Contact (18)
Component
Terminal Block (18)
Sub Component
Connection Terminal Block (18)
Installation Terminal Block (18)
Terminal Block Component Color
Black (4)
Blue (4)
Gray (1)
Green (3)
Red (1)
Silver (4)
Yellow (1)
Terminal Block Number of Levels
1 (4)
Terminal Block Voltage Rating
300 Volt (14)
Terminal Block Amperage
32 Amp (3)
41 Amp (5)
76 Amp (4)
125 Amp (3)
Terminal Block Width
7 mm (9)
9.8 mm (5)
14.3 mm (4)
Terminal Block Fused
Not Fused (18)
Terminal Block Grounded
Grounded (3)
Not Grounded (15)
Terminal Block Max Wire Size
2 (3)
6 (4)
10 (7)
Terminal Block Min Wire Size
14 (3)
16 (4)
20 (7)
Terminal Block Indication
No Indicator (18)
Terminal Block Connection Method
Screw Connection (18)
Normally In Stock
Phoenix Contact 0404033 Connection terminal block AK 16
Free U.S Ground shipping
$1.67
$1.39
Normally In Stock
Phoenix Contact 3062935 Connection terminal block AKG 4 GN
Free U.S Ground shipping
$1.27
$1.06
Normally In Stock
Phoenix Contact 3062964 Connection terminal block AKG 16 GN
Free U.S Ground shipping
$2.24
$1.87
Normally In Stock
Phoenix Contact 3062948 Connection terminal block AKG 4 YE
Free U.S Ground shipping
$2.24
$1.87
Normally In Stock
Phoenix Contact 3062922 Connection terminal block AKG 4 RD
Free U.S Ground shipping
$1.27
$1.06
Normally In Stock
Phoenix Contact 0423030 Connection terminal block AKG 16 BK
Free U.S Ground shipping
$3.32
$2.77
Normally In Stock
Phoenix Contact 0423014 Connection terminal block AKG 16 BU
Free U.S Ground shipping
$2.82
$2.35
Normally In Stock
Phoenix Contact 0421061 Connection terminal block AKG 4 BU-EX
Free U.S Ground shipping
$3.01
$2.51
Normally In Stock
Phoenix Contact 0421058 Connection terminal block AKG 4 BK-EX
Free U.S Ground shipping
$3.70
$3.08
Normally In Stock
Phoenix Contact 0421032 Connection terminal block AKG 4 BK
Free U.S Ground shipping
$1.97
$1.64
Normally In Stock
Phoenix Contact 0421016 Connection terminal block AKG 4 BU
Free U.S Ground shipping
$1.97
$1.64
Normally In Stock
Phoenix Contact 0404046 Connection terminal block AK 35
Free U.S Ground shipping
$3.90
$3.25
Normally In Stock
Phoenix Contact 0711409 Connection terminal block AK 4 MIT SIX LOBE SCHRAUBE
Free U.S Ground shipping
$1.92
$1.60
Normally In Stock
Phoenix Contact 0404017 Connection terminal block AK 4
Free U.S Ground shipping
$1.12
$0.93
Normally In Stock
Phoenix Contact 0423043 Connection terminal block AKG 16 GY
Free U.S Ground shipping
$2.21
$1.84
Normally In Stock
Phoenix Contact 0424013 Connection terminal block AKG 35 BU
Free U.S Ground shipping
$4.42
$3.68
Normally In Stock
Phoenix Contact 3062993 Connection terminal block AKG 35 GN
Free U.S Ground shipping
$3.53
$2.94
Normally In Stock
Phoenix Contact 0424039 Connection terminal block AKG 35 BK
Free U.S Ground shipping
$4.57
$3.81

More Information about Connection Terminal Blocks

Modular terminal blocks, multi-level terminal blocks and universal terminal blocks, including feed through terminal blocks, allow for scalable configurations and are available in various sizes and connection types to suit different wire gauges and circuit demands. A terminal block rated cross section contains a specific conductor size and current rating. A screw connection, perhaps the most widely used method, provides strong and secure mechanical and electrical contact with the conductor. Phoenix Contact and other brands offer a variety of connection terminal blocks with numerous features—such as compact/layered designs and test points—that can enhance the flexibility of space-constrained control systems.

FAQs

Is the 3.5 mm DIN rail mounting type an example of how terminal blocks can be connected easily to control panels in a suitable and time saving manner?

Yes, the 3.5 mm DIN rail mounting type is an example of how terminal blocks can be connected easily to control panels in a suitable and time-saving manner, allowing quick installation and organized wiring layouts.

Terminal Blocks Basics

Single Level Pass Through Terminal Blocks, also known as terminal connectors, are used to connect two wires together with a common junction point. This is helpful when a component needs to be disconnected or isolated within a circuit. These are the most common types of terminal blocks in industrial applications.

Ground Terminal Blocks function almost exactly like most pass through terminal blocks with one exception: they are grounded. These terminal blocks have a metal connection from where the wire is terminated, all the way to the bottom of the block where it will clamp into the panel. This allows for an electrical circuit to be grounded without running a wire to the main ground connection on a breaker or surge protector. Screw terminals are used for making secure and semi-permanent wire connections.

Fused Terminal Blocks function almost exactly like most pass through terminal blocks with one exception: the presence of a fuse. This fuse provides protection for components from too much voltage or current. Screw connection technology offers maximum contact force and maintenance-free operation, making it ideal for connecting large cross-section copper conductors without pretreatment.

Multilevel Terminal Blocks are used to connect two wires together with a common junction point, just like single pass through terminal blocks, but with the advantage of making two electrical connections in the same block. These blocks also incorporate fuses and can be grounded. Terminal blocks offer convenience and quality for managing power distribution within panels.

Disconnect Terminal Blocks are similar to fused blocks, however the disconnect stops the flow of electricity by lifting a lever on the terminal block. Unlike fuse blocks, they are a more permanent solution, but will not provide any protection in the event of a power surge.