1717961

Voltage - UL:	300V
Insulation Height:	0.772" (19.60mm)
Contact Tail Length:	--
Housing Material:	Polyamide (PA), Nylon
Contact Material:	--
Wire Strip Length:	--
Torque - Screw:	--
Screw Size:	--
Ingress Protection:	--
Material Flammability Rating:	UL94 V-0
Features:	Retention Latches (Non-Wire Side)
Contact Mating Finish:	Tin
Operating Temperature:	--
Color:	Green
Wire Gauge or Range - mm²:	0.2-1.5mm²
Wire Gauge or Range - AWG:	16-24 AWG
Series:	COMBICON QC
Current - UL:	10A
Voltage - IEC:	1kV
Current - IEC:	12A
Mounting Type:	Free Hanging (In-Line)
Termination Style:	Screwless - IDC
Plug Wire Entry:	180°
Header Orientation:	--
Pitch:	0.197" (5.00mm)
Number of Levels:	1
Positions Per Level:	2
Number of Positions:	2
Type:	Plug, Female Sockets
Part Status:	Active
Packaging:	Bulk

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Terminal Blocks – Headers, Plugs and SocketsTerminal Blocks are electrical components typically used in data and automation applications as a connecting element between two circuits, enabling the device to be controlled by the field devices or end user.Terminal blocks serve a number of different functions within a home or office electrical system, such inputs, outputs and power-feeds. They provide a safe, reliable and cost-effective way of connecting electrical circuits. Plugging cables into terminal blocks is also a fast and simple way of running multiple wires, such as jumpers, within a circuit.Terminal blocks can be grouped into two categories, headers and plugs and sockets.HeadersHeaders are the most basic form of terminal blocks, and provide a simple point-to-point connection between two circuits. The header consists of two pins that extend from one side and fit into sockets on the other side. Headers are generally used in low power applications, such as wiring in a thermostat to a domestic heating system. The primary function of headers is to link two circuits or devices together, such as a control module to a gauge.Plug and Socket Plug and socket terminal blocks can be used to provide a higher level of electrical protection and strength than headers. They are typically used in automated industrial systems as they are designed to be more durable, as the connection is made by a steady mechanical force. The plugs are inserted into sockets, which are held in place by a clamp-like mechanism.The plug and socket type of terminal blocks are best suited for higher power applications, such as connecting heavy-duty motors or pumps to a control unit. The primary function of these blocks is to connect two circuits, but they can also be used to make non-permanent switches between two circuits.1717961 Application and Working PrincipleThe 1717961 is a dual pole terminal block used in industrial automation applications. It is bolted to a panel or chassis and provides a low-profile connection point for cables or wires. The 1717961 terminal block is available in two versions: standard and ultra-miniature. The standard version is rated for ratings up to 10A and 600V, while the ultra-miniature version can support up to 11A and 250V.The terminal block is constructed from UL94V rated thermoplastic, and the contact area is zinc-plated with a tin-lead alloy. Each of the dual contact poles has two 0.25 inch Phillips screw heads to ensure the cable can be firmly connected. The pole is surrounded by a rubber seal to protect against corrosion and dust.The working principle is simple; the user simply screws the terminal block to the panel or chassis, then inserts the cable or wire into the plug. The Phillips screw heads are then tightened until a steady connection is established. The seal provides additional protection against dust and moisture, ensuring the connection remains secure.Conclusion Terminal Blocks are essential components within data and automation applications, and serve a range of different functions within a home or office electrical system. They can be divided into two main categories – headers and plugs and sockets – and offer a cost-effective and reliable way of connecting two circuits.The 1717961 is a dual pole terminal block available in both standard and ultra-miniature versions, and offer an easy and secure way of connecting electrical cables or wires. Rated for up to 10A and 600V, they have two Phillips screw heads and a rubber seal for further protection against dust and moisture.

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