A280-4.80ET4

Series 280 CARD-LOK

™ Card-Lok® — Series 280

Calmark® offers the advance design Series 260 Card-Lok® retainer for cold plate/heat exchanger applications. This totally unique design incorporates design advantages that provide increased thermal transfer, easy insertion and lighter weight. Also offered is the narrow, advance design Series 265 with the same features as the Series 260 but with closer center-to-center board spacing. The Series 280 has the same advanced features as the Series 260 but with greater clamping force and load capacity for PC cards of higher weight and mass.

**Features:

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* Screw Actuation**

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* Five Wedge Segments, Shafted

* Superior Clamping Force for Various PCB Thickness

* Zero Entry Force

* Can be Disassembled Before or After Mounting

* Material: Aluminum Alloy 6061-T6 per ASTM-B221 or QQ-A-220/8, Finish: Black Anodized MIL-A-8626 Type 2, Class 2

**Applications:

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* Designed for Cold Wall Applications

* For Heavy Shock and Vibration Environments

* High Clamping Force and Heat Dissipation