430403-21-0

Top Termination:	Screws
Material Flammability Rating:	UL94 V-0
Material - Insulation:	Polypropylene (PP)
Operating Temperature:	105°C
Mounting Type:	Chassis, Panel
Terminal Screw Finish:	--
Terminal Screw Material:	Steel, Stainless
Color:	--
Features:	Flange
Barrier Type:	2 Wall (Dual)
Bottom Termination:	Quick Connect (0.187")
Series:	43000
Wire Gauge:	12-22 AWG
Voltage Rating:	600V
Current Rating:	20A
Number of Rows:	1
Pitch:	0.438" (11.12mm)
Number of Wire Entries:	21
Number of Circuits:	21
Terminal Block Type:	Barrier Block
Part Status:	Active
Packaging:	Bulk

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Terminal blocks - Barrier blocks play an important role in the electronic hardware industry. The 430403-21-0 terminal block is a type of barrier block that is widely used in various industries for protection and control. This article will discuss the application field and working principle of the 430403-21-0 terminal block.Application FieldThe 430403-21-0 terminal block is mainly used in industrial control systems to provide insulation and prevent accidental contact between conductors. It is commonly used in applications such as electrical panel boards, switch panels, and other devices. The terminal block also functions as an electrical connector and offers a pressure-sensitive connection. The 430403-21-0 terminal block is an ideal solution for portable power system and surge protection. It can be used for both AC and DC applications. It can be used for the connection of branch circuits, distribution panels, and circuit breakers. The terminal block is also suitable for surge protection, which is an important feature for protection against over-voltage.Working PrincipleThe working principle of the 430403-21-0 terminal block is simple. It consists of two parts: the conductive part and the insulating part. The conductive part is the part that carries current while the insulating part serves to prevent accidents due to short circuit or electrostatic discharge from occurring. The 430403-21-0 terminal block has an easy to use design. It features a secure terminal block with spring-loaded clamping arms and contact heads that firmly secure the connection. This type of terminal block is very reliable as it can withstand high temperatures up to 140°C and is resistant to shock and vibration.The 430403-21-0 terminal block has a high current rating and is suitable for use in a variety of applications. It features a special design that allows it to work effectively with small cross-sections which are as small as 0.15mm2. This small size ensures that the terminal block can be used in a wide variety of applications. ConclusionThe 430403-21-0 terminal block is a type of barrier block that is widely used in various industries for protection and control. It is an ideal solution for portable power systems and surge protection. The terminal block has an easy to use design with secure terminal blocks and spring-loaded clamping arms. It also features a high current rating and is resistant to shock and vibration. This article has discussed the application field and working principle of the 430403-21-0 terminal block.

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