| Allicdata Part #: | 364-1849-ND |
| Manufacturer Part#: |
2021W |
| Price: | $ 8.36 |
| Product Category: | Connectors, Interconnects |
| Manufacturer: | Curtis Industries |
| Short Description: | CONN BARRIER STRP 21CIRC 0.438" |
| More Detail: | 21 Circuit 0.438" (11.12mm) Barrier Block Connecto... |
| DataSheet: | 2021W Datasheet/PDF |
| Quantity: | 1000 |
| 1 +: | $ 7.59780 |
| 10 +: | $ 6.68556 |
| 25 +: | $ 6.30580 |
| 50 +: | $ 6.00201 |
| 100 +: | $ 5.88798 |
| 250 +: | $ 5.12825 |
| 500 +: | $ 4.93833 |
| 1000 +: | $ 4.74839 |
| Top Termination: | Screws with Captive Plate |
| Material Flammability Rating: | UL94 V-0 |
| Material - Insulation: | Polyphenylene Oxide (PPO) |
| Operating Temperature: | 110°C |
| Mounting Type: | Chassis, Panel |
| Terminal Screw Finish: | -- |
| Terminal Screw Material: | Steel |
| Color: | -- |
| Features: | Flange |
| Barrier Type: | 2 Wall (Dual) |
| Bottom Termination: | Closed |
| Series: | 2000 |
| Wire Gauge: | 10-22 AWG |
| Voltage Rating: | -- |
| Current Rating: | 30A |
| Number of Rows: | 2 |
| Pitch: | 0.438" (11.12mm) |
| Number of Wire Entries: | 42 |
| Number of Circuits: | 21 |
| Terminal Block Type: | Barrier Block |
| Part Status: | Active |
| Packaging: | Bulk |
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Terminal blocks – barrier blocks are common components being used in the industrial and domestic applications. They are mainly used for connecting wires and providing a clean electrical connection between two devices. A barrier block is composed of a body, terminal blocks, a cover, and screws. The body is usually constructed of rigid plastic or metal material. The terminal block provides connection terminals which are used to attach the wires to the block. The cover of the barrier block provides protection from dirt and dust, and the screws are used to securely attach the block to the device.
Barrier blocks are often found in consumer electronic products, industrial machinery, and many other industrial and domestic appliances. For example, they are used in automobiles for connecting the electrical components, such as the headlights, wipers, and other accessories together. They are also used in consumer audio equipment, such as CD players, cassette players, and other similar components. Barrier blocks are also utilized in industrial applications, such as semiconductor manufacturing and computing systems, for connecting wires and circuits. In addition, barrier blocks are widely used in security systems, such as alarms and access control systems.
When selecting a barrier block, it is important to consider the current carrying requirements of the circuit, the voltage of the circuit, and the rated temperature. Depending on the application, it may be necessary to use multiple terminals to provide additional current carrying capacity. It is also important to select barrier blocks with terminals that provide proper protection from interference. Some barrier blocks also come with safety features, such as locking covers, that can help prevent accidental connection of an unshielded wire, which could lead to electrical shocks or fires.
The working principle of the barrier block is quite simple. The body of the block contains a number of connecting terminals, which allow wires to be connected. The terminals are arranged so that the wires are securely held in place. A screw is then used to attach the block to the device. This helps to ensure that a stable and consistent electrical connection is made.
The use of barrier blocks makes it possible to easily create complex electrical connections in a cost-effective manner. They are available in a variety of shapes and sizes to meet the specific requirements of any application. Additionally, they are inexpensive and can be purchased from numerous sources, such as hardware stores or online retailers.
In conclusion, barrier blocks are an essential component in a variety of applications. They provide a clean and reliable electrical connection between two devices while offering protection from dirt and dust. They are easy to connect, durable and economical, and they can be purchased from many sources. Therefore, barrier blocks should be taken into consideration for any industrial or domestic application.
The specific data is subject to PDF, and the above content is for reference
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2021W Datasheet/PDF