999345

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Terminal blocks are used in various electronic and electrical designs for connecting electric points. The 993345 terminal block is a highly versatile type as it can be used for connecting both wire-to-board applications and wire-to-wire connections. Featuring a durable construction, the 993345 is a popular choice for connecting permanent circuits, as well as maintaining electricity flow in applications in control and power industries.

Specifications

The 993345 terminal blocks are available in 2, 3, 4 and 6 pin configurations to accommodate various wire diameters from 25mm to 28AWG. Its pin spacing centers are 0.3mm and a maximum voltage rating of 350V. It has a contact resistance of 10mOhms and an insulation resistance of 1000MOhms. The temperature range of its operating environment is between -55° to 125°C.

Construction

The 993345 terminal block is constructed with phosphor bronze contacts and has a PBT thermoplastic insulator. Its housing is an integrated construction with a polyester insulator body. Feed-through termination is accomplished with two 0.14mm diameter stainless steel screws, while direct termination requires a wire crimp.

Performance

The 993345 terminal block is engineered for reliable performance in harsh environments such as high vibration areas and offers a secure connection to combat shock and vibration. It meets UL94V-0 requirements and has a UL94V-2 rating when used with a suitable feed-through terminal. The insulation resistance of the 993345 terminal block is over 1000MOhms for up to 1000V DC.

Applications

The 993345 terminal block is commonly used in connections ranging from alarm systems to industrial applications. It can also be used in domestic as well as automotive applications. Typically used in power and control applications, the 993345 is also well-suited to applications that require high performance due to its secure connection secure contact.

Working Principle

The contact of the 993345 terminal block is designed to ensure it is highly suitable for both wire-to-board and wire-to-wire applications. In a wire-to-board connection, the contact is designed to enable tight compression of the wire, thus providing a highly robust connection. In a wire to wire connection, a stress relief is provided along the wire to secure a reliable connection even after repeated operations. To eliminate any contact life issues, the contact design has a short arc length and short contact spring surface.

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