2-1546980-5

Top Termination:	Screws with Captive Plate
Material Flammability Rating:	UL94 V-2
Material - Insulation:	Thermoplastic
Operating Temperature:	-60°C ~ 105°C
Mounting Type:	Chassis, Panel
Terminal Screw Finish:	Zinc, Clear Chromate
Terminal Screw Material:	Steel
Color:	Black
Features:	--
Barrier Type:	2 Wall (Dual)
Bottom Termination:	Quick Connect (0.250"), Insulated
Series:	SSB7, Buchanan
Wire Gauge:	12-22 AWG
Voltage Rating:	600V
Current Rating:	20A
Number of Rows:	1
Pitch:	0.438" (11.12mm)
Number of Wire Entries:	25
Number of Circuits:	25
Terminal Block Type:	Barrier Block
Part Status:	Obsolete
Packaging:	Bulk

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Terminal blocks are integral components in the engineering of electrical systems, vital to the safe and efficient operation of these systems. 2-1546980-5 is a type of terminal block, specifically known as barrier blocks. Understanding their application fields and working principles is essential to any understanding of an electrical system.In terms of application field, 2-1546980-5 barrier blocks are most commonly used to safely separate different sections of electrical systems. This can be achieved through a range of different characteristics of the barrier block. Firstly, barrier blocks are designed to reduce the passage of both electricity and fluids between different parts of the system. Secondly, barrier blocks also function as a physical and functional barrier, making it easy to identify different parts of the system. Other reasons to use barrier blocks include reducing the physical size of large-scale electrical systems, reducing the risk of electrical short circuits, and preventing damage from arcing. In terms of their general working principle, barrier blocks are designed to allow electrical signals or current, but block the passage of fluid, keeping these two disparate components of an electrical system separate. This is achieved through a design that partitions the block into two separate channels. The first channel, commonly referred to as the “live” side, will contain electrical connections, which then transfer the power or signal out of the block and into the system. The second channel, known as the “ground” side, features a conductive material designed to absorb and divert fluid from the block, keeping it away from the “live” side of the block.For further protection, barrier blocks are also designed to self-extinguish electrical arcing. This is usually accomplished through the use of a high dielectric material, such as ceramic, which when exposed to arcing will cause the arc to extinguish itself. This prevents it from causing further damage to the electrical system.In terms of construction, 2-1546980-5 barrier blocks usually feature a base and an upper part. On the base of the block, there are typically two open channels for connecting power and ground. On the upper part of the block, there are two openings, with the “live” side featuring a pair of conductive contacts, and the “ground” side featuring a single conductive contact which is usually insulated. At the ends of the block, there are usually two terminals, one each side, for connecting the power and ground.In summary, 2-1546980-5 is a type of terminal block known as a barrier block. In terms of application fields, they are commonly used as physical and functional separators between sections of the same electrical system, reducing the risk of electrical short circuits and damage from arcing. In terms of working principle, these blocks divide the block into two separate channels, with the “live” side containing electrical connections and the “ground” side containing a conductive material designed to absorb and divert fluid from the block. Lastly, in terms of construction, barrier blocks typically feature a base and an upper part, with two open channels on the base and two openings on the upper part (one for the “live” side and one for the “ground” side).

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