431212-25-0

Series:	43000
Packaging:	Bulk
Part Status:	Active
Terminal Block Type:	Barrier Block
Number of Circuits:	25
Number of Wire Entries:	25
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:	Solder Turret
Barrier Type:	2 Wall (Dual)
Features:	--
Color:	--
Terminal Screw Material:	Brass
Terminal Screw Finish:	Nickel
Mounting Type:	Through Hole
Operating Temperature:	105°C
Material - Insulation:	Polypropylene (PP)
Material Flammability Rating:	UL94 V-0

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Terminal Blocks - Barrier BlocksBarrier blocks are a type of terminal block used in many electrical circuits for grounding, power and signal connections. They provide a reliable connection between electrical components, and allow for quick and easy installation and removal of wires. Barrier blocks are available in numerous configurations and sizes, making them ideal for a wide variety of applications.Barrier blocks are typically rectangular in shape, with two rows of tab-shaped connections. The tabs are typically numbered and colored in order to easily identify the correct connection point. The terminals are accessible from the front for easy wiring and maintenance. The terminals are arranged in a symmetrical pattern with a barrier or insulation bar between the two rows of contacts, providing maximum insulation between the wires.431212-25-0 is a type of terminal block specifically designed for grounding and power applications. This terminal block is composed of a black plastic body with two rows of six tab-style contacts. The contacts are nickel plated for superior electrical performance and reliability. The contacts accept wire sizes up to 16 AWG (1.3 mm2).The contact assembly includes a black PVC insulation bar that helps to reduce the possibility of shock and short circuits. It also helps protect the contacts from oxidation. The insulation bar is fitted with two locking bolts for secure connection and to prevent accidental disconnection. The locking bolt can be operated from the front or rear with any standard tool.The terminal block has two solder holes at each terminal, allowing for quick and easy installation of wires without the need for clamps or other hardware. The terminal is also RoHS compliant and UL rated at 600Vac and 300Vdc. This terminal block is an ideal solution for grounding, power distribution, and power and signal connections in industrial, commercial, and residential applications.In terms of working principle, the terminal block is designed to provide an electrical connection by use of a conductor inserted into the appropriate terminal block. The properties of the conductor\'s material will ensure the proper electrical connection, as each material offers different electrical properties. For instance, copper and aluminum are commonly used conductors for the barrier block terminal. Copper offers excellent electrical properties that make it an ideal choice for electronic applications that require minimal current transmission. On the other hand, aluminum offers excellent heat conductivity and strength, which make it an ideal choice for grounding and other robust electrical applications.Furthermore, the overall design of the barrier block terminal allows for multiple connections to be made quickly and easily. For example, if more than one wire needs to be inserted in the terminal, the insulation bar can be used to direct the multiple wires into the appropriate terminals without the need for additional hardware. This makes the barrier block terminal highly versatile, as multiple connections can be achieved quickly and at minimal cost.Overall, the 431212-25-0 terminal block is designed to provide a reliable and secure connection between electrical components with its two rows of tab-style contacts and black PVC insulation bar. The terminals accept wire sizes up to 16 AWG (1.3 mm2) and the contact assembly is RoHS compliant and UL rated at both 600Vac and 300Vdc, making it suitable for use in a wide range of applications. The terminal block’s design also enables multiple connections to be made quickly and easily, making it an ideal choice for grounding, power distribution, and power and signal connections in industrial, commercial, and residential applications.

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