Voltage - UL:	300V
Insulation Height:	0.339" (8.61mm)
Contact Tail Length:	0.138" (3.50mm)
Housing Material:	Polybutylene Terephthalate (PBT)
Contact Material:	--
Wire Strip Length:	--
Torque - Screw:	--
Screw Size:	--
Ingress Protection:	--
Material Flammability Rating:	UL94 V-0
Features:	Locking Ramp
Contact Mating Finish:	Tin
Operating Temperature:	--
Color:	Green
Wire Gauge or Range - mm²:	--
Wire Gauge or Range - AWG:	--
Series:	COMBICON MSTBA
Current - UL:	15A
Voltage - IEC:	400V
Current - IEC:	12A
Mounting Type:	Through Hole
Termination Style:	Solder
Plug Wire Entry:	--
Header Orientation:	90°, Right Angle
Pitch:	0.200" (5.08mm)
Number of Levels:	1
Positions Per Level:	3
Number of Positions:	3
Type:	Header, Male Pins, Shrouded (4 Side)
Part Status:	Active
Packaging:	Bulk

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Terminal Blocks – Headers, Plugs and Sockets

Terminal blocks provide the bridge between electrical wires and devices. They help control and manage electrical power circuits through a combination of materials and construction. In essence, terminal blocks accept all types of electrical connections and link them to the correct circuit. They can be used in various industrial applications and come in a variety of shapes and sizes. Terminal blocks are commonly referred to as headers, plugs and sockets.

Headers

Headers provide input power to devices and have two lead wires that provide connection power. Headers can be used to make permanent connections as well as temporary connections. They are commonly used in electric circuit boards, process control systems, instrumentation, motor control, and other electrical devices. They are available in a range of sizes, shapes, and colors and can be designed to meet specific needs.

Plugs

Plugs are designed to side mount to headers and provide a connection point. They have four lead wires, two for the power lead and two for the connects lead. Plugs can be used to sustain direct current or alternating current and come in various sizes, shapes, and colors. They come in various configurations such as single pole, dual, and multiple configurations.

Sockets

Sockets are used to connect devices and have four contact wires that provide permanent or non-permanent connections. They come in various sizes, shapes, and colors. The four-pin socket is the most commonly used and is available in various mounting configurations. They help prevent current arc-over and are commonly used in applications such as process control, instrumentation, and communications.

Applications

Terminal blocks have a variety of applications in industry, including connecting power distribution components in control panels, controlling sumps and pumps, and providing electrical connections to various devices such as motors and sensors. Terminal blocks are also used in the automotive, aerospace, and renewable energy industries. In the automotive industry, terminal blocks connect electrical parts such as sensors, switches, and relays. In the aerospace industry, they are used for electrical systems and power management. In the renewable energy industry, terminal blocks are used in solar panels and wind turbines to connect various components.

Working Principle

Terminal blocks provide a link between electrical wires and other devices. They are used to provide power, to control the current flow, and to ensure continuity. Terminal blocks have two main parts – the wires and the contacts. The wires provide a physical connection between two devices while the contacts provide a low-voltage electrical connection. The terminals are the junction points between the wires and contacts, and they prevent arcing and current flux. Terminal blocks are designed to accept a wide range of wires. They are typically made of copper, brass, aluminum, or other metals for electrical conductivity. The contacts are made from either copper or brass and are designed to accept a variety of wire gauges and insulation types. Terminal blocks are essential components in electrical applications. They provide a safe, reliable electrical connection between wires and other devices, enabling the flow of power and control. They are available in several sizes and configurations, and can be chosen to suit different requirements.

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