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:	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 - Barrier Blocks

Terminal blocks, also known as barrier blocks, are an important part of any electrical assembly. They are used to connect two or more electrical components together, usually using a screw connection or a plug. They are also known as ‘jumper blocks’ because they enable a ‘jumper’ or connection to be established between the different components.Terminal blocks are typically made of an insulating material such as plastic, which can prevent the transmission of electrical current, thus ensuring safety and reliability. Typically, the terminal blocks have two terminals and two sets of electrical connections - one terminal is used to input power and the other to output power. Terminal blocks can also be used to separate the input and output connections for better electrical isolation.The 431111-25-0 type terminal blocks are one of the many types of barrier blocks available. These terminal blocks are developed and manufactured in Germany by Siemens, one of the leading names in the electrical and electronics industry. They are designed to provide reliable, long-term performance in a variety of industrial applications, from automotive to utility and instrumentation.The 431111-25-0 type terminal blocks are single-level barrier blocks that feature 14/18 AWG screw connections and a 2.36" x 0.56" DIN rail clip. They are designed for applications requiring up to 16A per pair of terminals. The block itself is made of high-grade thermoplastic that is UL94-V0 flame retardant.The 431111-25-0 terminal blocks feature the Push-In conductor technology which eliminates the need for stripping the wire or using any other type of connectors. This allows for the use of smaller conductor and cable diameters and reduces the risk of wire damage during assembly. The Push-In conductor technology also enables quick, reliable and convenient connection and disconnection without the need for additional tools.The 431111-25-0 also come with an integrated heat sink which disperses heat from the terminals into atmosphere, thus keeping them cool and making sure that connected devices are not adversely affected by heat. The heat sink also has a longer lifecycle compared to traditional plastic housing due to its thermal stability.In conclusion, the 431111-25-0 type terminal blocks are robust, reliable and highly efficient. They offer good thermal management and easy connection and disconnection of wires. As such, they are ideal for a variety of industrial applications, from automotive to utility and instrumentation.

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Part Number	Manufacturer	Price	Quantity	Description