1-1546963-1

Top Termination:	Screws
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:	Flange
Barrier Type:	2 Wall (Dual)
Bottom Termination:	Closed
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:	11
Number of Circuits:	11
Terminal Block Type:	Barrier Block
Part Status:	Obsolete
Packaging:	Bulk

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Terminal blocks, also known as barrier strips, are devices used to contain and secure electric wires. In essence, they serve the same purpose as a more traditional fuse panel or breakered panel, but serve as a more modern and efficient means of supplying electricity to connected objects.These terminal blocks are comprised of a small plate which is used to mount the device in place, along with a set of tightly insulated electrical connections. Electrical wires are fed through the individual connections, which are then fixed in place using screws. In many cases, the connection points themselves feature pressure-fit or spring-loaded options, allowing the elementary wires to be snapped or inserted in place without tools.Broadly speaking, the majority of these terminal blocks can be divided into two distinct categories: barrier blocks and dual-screw blocks. It’s important to note, however, that each type has its own set of considerations when it comes to selection, installation, and alignment.Barrier blocks, sometimes referred to as ‘cage clamps’, reject any attempt to over-tighten the connecting screws, meaning they’re the ideal choice for use in industrial or commercial environments where the same connection may need to be re-sealed many times. Alternatively, dual-screw terminal blocks, as the name suggests, feature a second screw to help fix connections in place with improved accuracy and security.In terms of their application field, these terminal blocks are primarily designed for use in high-voltage installations where safety is of paramount importance. While more traditional electricity installation methods focus on isolating the electricity in a separate box, these terminal blocks provide a more efficient means of ensuring that a particular connection doesn’t break.The operational principle behind these devices is relatively simple. The pressure-fit terminals, along with the optional screws, ensure that the connection is held firm and secure. Additionally, electricity-insulated housing helps to protect against short circuits and sparks, while contact tracking helps limit short-term rust damage.The overall advantages of these terminal blocks are ample. Provided they’re designed and installed appropriately, they provide a secure and efficient means of conducting electricity, while also reducing the risk of short circuits and unwanted sparks.In conclusion, terminal blocks, otherwise known as barrier blocks, offer a modern and efficient means of supplying electricity to connected objects. They’re primarily designed for use in high-voltage situations, and feature a set of tightly secured electrical connections. Their main advantage lies in their ability to reject any attempt to over-tighten the connecting screws, while the insulation housing helps protect against short circuits and sparks.

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