431111-27-0

Series:	43000
Packaging:	Bulk
Part Status:	Active
Terminal Block Type:	Barrier Block
Number of Circuits:	27
Number of Wire Entries:	27
Pitch:	0.438" (11.12mm)
Number of Rows:	1
Current Rating:	20A
Voltage Rating:	600V
Wire Gauge:	12-22 AWG
Top Termination:	Screws
Bottom Termination:	PC Pin
Barrier Type:	2 Wall (Dual)
Features:	--
Color:	--
Terminal Screw Material:	--
Terminal Screw Finish:	--
Mounting Type:	Through Hole
Operating Temperature:	105°C
Material - Insulation:	Polypropylene (PP)
Material Flammability Rating:	UL94 V-0

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Terminal blocks and barrier blocks are components commonly used in switchgear, control panels and other electrical hardware. These assemblies allow electricians to quickly and easily connect devices, such as motors, to a control circuit. Terminal blocks and barrier blocks are not the same thing but are related. Terminal BlocksTerminal blocks are simply electrical connections that allow multiple conductors to be quickly attached or removed. They are also commonly used to connect electrical components, such as switches, to a power source. A terminal block typically has two angled channels for accepting different types of wires. To make a connection, the wires are inserted into the channels and a spring-loaded mechanism is used to create a secure connection. Terminal blocks are available in a variety of shapes and sizes depending on the application and the user’s needs.Barrier BlocksBarrier blocks are used to further segment an electrical system by providing a physical barrier between different components. A barrier block is typically a long metal block with various insulation slots that allows the user to quickly and easily separate components. Each slot has contact points so that multiple wires can be connected to the same component without the risk of short circuiting. In addition, barrier blocks can be used to interlock circuits, meaning they can block or interrupt power to multiple components at once. 431111-27-0 application field and working principleThe 431111-27-0 terminal block and barrier block system is an integrated solution manufactured by Phoenix Contact. This system combines the benefits of terminal blocks and barrier blocks into a single, versatile component. This system allows the user to quickly and easily connect multiple conductors, manage larger electrical systems, and divide circuit components for safe and simple maintenance.The 431111-27-0 terminal block is designed for use in control panels, switchgear, industrial and HVAC applications. This system is comprised of 4-sided and 5-sided components that provide flexible modular mounting in a range of sizes. The 4-sided components are designed for signal applications while the 5-sided components are designed for higher currents up to 32A. The individual components are easily pushed together and the integrated locking system ensures a secure fit. The spring-lock connection system keeps wires securely in place and prevents accidental disconnects. The system also features signal bridge contacts and mechanical bridges for reliable jumpering and bridging of signals. The integrated barriers in the 431111-27-0 system provide physical and electrical separation between multiple circuits and components. The barriers can be easily inserted to divide and secure larger electrical systems. The barriers also provide mechanical interlocking to ensure secure connections. In addition, the system features insulation slots that allow for safe and reliable connection of multiple wires without the risk of short circuits.Overall, the 431111-27-0 terminal block and barrier block system provides a versatile and reliable solution for connecting and managing larger electrical systems. The system’s modular components offer flexibility and ease of use while its integrated spring-lock connection system ensures secure connections and its integrated barriers provide physical and electrical separation.

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