1757394

Voltage - UL:	300V
Insulation Height:	0.339" (8.61mm)
Contact Tail Length:	0.138" (3.50mm)
Housing Material:	Polyamide (PA), Nylon
Contact Material:	--
Wire Strip Length:	--
Torque - Screw:	--
Screw Size:	--
Ingress Protection:	--
Material Flammability Rating:	UL94 V-0
Features:	--
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:	17
Number of Positions:	17
Type:	Header, Male Pins, Shrouded (4 Side)
Part Status:	Active
Packaging:	Bulk

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Terminal blocks are wiring devices used to mechanically secure and electrically connect individual wires to form a group or “bus.” They allow technicians and engineers to make multiple connections quickly and easily, while ensuring that the wiring remains secure and protected from environmental hazards.The terminal block family includes a variety of devices, such as pin and blade terminal blocks, headers, plug, and sockets. Each of these devices can be used in specific applications to connect individual wires, cables, and other circuit components.

1757394 Terminal Blocks - Headers, Plugs and Sockets

Application Field

Terminal blocks are typically found in household and industrial items that are designed to send, receive, or distribute electrical signals, such as switches, motors, circuit boards, and other electrical components. When used in conjunction with other components, terminal blocks can be used to form a variety of electrical circuits, such as low-voltage lighting circuits, power supplies, control panels, and more.The use of terminal blocks also eliminates the need for manual wiring. By replacing the traditional copper wiring with pin and blade wiring systems, terminal blocks reduce installation cost and time, as well as maintenance costs due to the improved reliability of the system.

Working Principle

Terminal blocks are typically composed of an insulated plastic block with several metal pins or blades, depending on the type of connection. Wires can be connected to the pins or blades and the connection is secured with a metal screw or spring.The principle of terminal blocks is quite simple: the pins or blades of the terminal block are used to provide electrical contact between the connected wires, and the screws or springs hold the connection firmly in place.The connection is typically achieved using a parallel or daisy-chain technique, but other techniques such as inserting a multi-wire strand into a terminal block, or using a combination of parallel and daisy-chain wiring, are also possible.

Types of Terminal Block Connections

The most common types of terminal block connections are pin and blade connections. Pin connections involve inserting a stripped piece of wire into the metal pin of the terminal block. The wire is then secured using a metal screw or spring.Blade connections, on the other hand, involve inserting the metal blade of the terminal block into a small slot in the wire insulation. This type of connection is typically used with multi-strand cables.In addition to pin and blade connections, there are also headers, plugs, and sockets that can be used for terminal block connections. Headers contain several metal pins that are prewired into a larger connector, making them ideal for connecting multiple wires in a single location. Plugs and sockets are also commonly used for terminal block connections, providing an easy way to make and break electrical connections without the use of tools.

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