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Panel Feed-Through Terminal Blocks

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Terminal blocks are a modular block with an insulated frame connecting two or more wires in a reliable manner. A clamping component and a conducting strip are used to secure and organize connecting wires, allowing multiple outgoing wires to join to one singular incoming wire. Wires are secured to the terminal blocks with screw connections, spring cage connections, push in connections (requiring the use of ferrules on the wires), fast connections, or barrier connections (requiring ring or spade terminals on the wires). Terminal blocks are the perfect solution for complicated control circuits that require secure, well-organized and semi-permanent wire connections that can easily be switched out for repair or inspection in the field. Within a control board, terminal blocks are snapped firmly into place on a mounting or DIN rail. When modifications to the circuit are performed, they can easily be added or removed from the rail without interfering with other wire connections.

Phoenix Contact Panel Feed-Through Terminal Blocks have been replaced by Plug-In Terminal Blocks

Phoenix Contact Plug-In COMBI Terminal Blocks are hybrid terminal blocks that have a standardized plug-in zone on one side and Push-in, spring-cage, screw or fast-connection technology on the other side. This design provides unlimited flexibility. The COMBI connection system provides the perfect solution, from control cabinet feed-in and supplying the power and control components to the quick installation of distributed system parts.

Phoenix Contact 3044912 Panel Feed-through Terminal Block

$20.96 $34.72

Panel feed-through terminal block, Minimum distance to other conductive surfaces: min 5 mm, nom. voltage: 500 V, nominal current: 24 A, connection method: Push-in connection, number of connections: 14, number of positions: 7, cross section: 0.14 mm² - 4 mm², AWG: 26 - 12, width: 41.1 mm, height: 26.6 mm, color: gray, mounting type: Wall mounting

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Phoenix Contact 3044923 Panel Feed-through Terminal Block

$49.73 $82.39

Panel feed-through terminal block, Minimum distance to other conductive surfaces: min 5 mm, nom. voltage: 500 V, nominal current: 24 A, connection method: Push-in connection, number of connections: 36, number of positions: 18, cross section: 0.14 mm² - 4 mm², AWG: 26 - 12, width: 97.7 mm, height: 26.6 mm, color: gray, mounting type: Wall mounting

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Phoenix Contact 3044909 Panel Feed-through Terminal Block

$13.30 $22.04

Panel feed-through terminal block, Minimum distance to other conductive surfaces: min 5 mm, nom. voltage: 500 V, nominal current: 24 A, connection method: Push-in connection, number of connections: 8, number of positions: 4, cross section: 0.14 mm² - 4 mm², AWG: 26 - 12, width: 25.6 mm, height: 26.6 mm, color: gray, mounting type: Wall mounting

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Phoenix Contact 3044916 Panel Feed-through Terminal Block

$32.01 $53.04

Panel feed-through terminal block, Minimum distance to other conductive surfaces: min 5 mm, nom. voltage: 500 V, nominal current: 24 A, connection method: Push-in connection, number of connections: 22, number of positions: 11, cross section: 0.14 mm² - 4 mm², AWG: 26 - 12, width: 61.7 mm, height: 26.6 mm, color: gray, mounting type: Wall mounting

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Phoenix Contact 3044918 Panel Feed-through Terminal Block

$37.40 $61.96

Panel feed-through terminal block, Minimum distance to other conductive surfaces: min 5 mm, nom. voltage: 500 V, nominal current: 24 A, connection method: Push-in connection, number of connections: 26, number of positions: 13, cross section: 0.14 mm² - 4 mm², AWG: 26 - 12, width: 72 mm, height: 26.6 mm, color: gray, mounting type: Wall mounting

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Phoenix Contact 3044914 Panel Feed-through Terminal Block

$26.49 $43.89

Panel feed-through terminal block, Minimum distance to other conductive surfaces: min 5 mm, nom. voltage: 500 V, nominal current: 24 A, connection method: Push-in connection, number of connections: 18, number of positions: 9, cross section: 0.14 mm² - 4 mm², AWG: 26 - 12, width: 51.4 mm, height: 26.6 mm, color: gray, mounting type: Wall mounting

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Phoenix Contact 3044900 Panel Feed-through Terminal Block

$3.54 $5.22

Panel feed-through terminal block, Minimum distance to other conductive surfaces: min 5 mm, nom. voltage: 500 V, nominal current: 24 A, connection method: Push-in connection, number of connections: 2, number of positions: 1, cross section: 0.14 mm² - 4 mm², AWG: 26 - 12, width: 7.6 mm, height: 26.9 mm, color: gray, mounting type: Wall mounting

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Phoenix Contact 3044919 Panel Feed-through Terminal Block

$39.94 $66.16

Panel feed-through terminal block, Minimum distance to other conductive surfaces: min 5 mm, nom. voltage: 500 V, nominal current: 24 A, connection method: Push-in connection, number of connections: 28, number of positions: 14, cross section: 0.14 mm² - 4 mm², AWG: 26 - 12, width: 77.1 mm, height: 26.6 mm, color: gray, mounting type: Wall mounting

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Phoenix Contact 3044924 Panel Feed-through Terminal Block

$52.08 $86.29

Panel feed-through terminal block, Minimum distance to other conductive surfaces: min 5 mm, nom. voltage: 500 V, nominal current: 24 A, connection method: Push-in connection, number of connections: 38, number of positions: 19, cross section: 0.14 mm² - 4 mm², AWG: 26 - 12, width: 102.9 mm, height: 26.6 mm, color: gray, mounting type: Wall mounting

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Phoenix Contact 3044922 Panel Feed-through Terminal Block

$47.36 $78.45

Panel feed-through terminal block, Minimum distance to other conductive surfaces: min 5 mm, nom. voltage: 500 V, nominal current: 24 A, connection method: Push-in connection, number of connections: 34, number of positions: 17, cross section: 0.14 mm² - 4 mm², AWG: 26 - 12, width: 92.6 mm, height: 26.6 mm, color: gray, mounting type: Wall mounting

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Phoenix Contact 3044913 Panel Feed-through Terminal Block

$23.74 $39.34

Panel feed-through terminal block, Minimum distance to other conductive surfaces: min 5 mm, nom. voltage: 500 V, nominal current: 24 A, connection method: Push-in connection, number of connections: 16, number of positions: 8, cross section: 0.14 mm² - 4 mm², AWG: 26 - 12, width: 46.2 mm, height: 26.6 mm, color: gray, mounting type: Wall mounting

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Phoenix Contact 3044908 Panel Feed-through Terminal Block

$9.92 $16.43

Panel feed-through terminal block, Minimum distance to other conductive surfaces: min 5 mm, nom. voltage: 500 V, nominal current: 24 A, connection method: Push-in connection, number of connections: 6, number of positions: 3, cross section: 0.14 mm² - 4 mm², AWG: 26 - 12, width: 20.5 mm, height: 26.6 mm, color: gray, mounting type: Wall mounting

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Terminal Block Basics

Single Level Pass Through Terminal Blocks 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.

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.

Multilevel Terminal Blocks are used to connect two wires together with a common junction point, just like single pass though terminal blocks, but with the advantage of making two electrical connections in the same block. These blocks also incorporate fuses and can be grounded.

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.

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