Avoid free PDFs from random websites. Many are outdated (e.g., 2006 edition vs. 2024 edition), missing critical annexes, or contain corrupted tables. A wrong crimp height spec can literally cause the failure in the story.
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DIN EN 60352-2 is the German publication of the European standard EN 60352-2, which itself is identical to the international standard IEC 60352-2. The document is titled "Solderless connections - Part 2: Crimped connections - General requirements, test methods and practical guidance."
: As this is an adoption of the international standard IEC 60352-2 , it can be purchased there as well. din en 60352-2 pdf
To comply with DIN EN 60352-2, a crimped joint must meet strict visual, mechanical, and electrical criteria. 1. Wire and Terminal Matching
You will need to access the official version of the standard to ensure full compliance with its technical details.
A visible flare (bellmouth) must exist at the rear of the crimp barrel to prevent the sharp edge of the metal from cutting the wire strands. Avoid free PDFs from random websites
: The process must avoid damaging the individual strands of the wire or the terminal itself. Consistency
: Rules out superficial pressing. The barrel must compress evenly without fracturing, cracking, or over-extending the underlying pin body.
"It's the tools," the assembly lead insisted. "We bought the most expensive ratcheting crimpers on the market." A wrong crimp height spec can literally cause
Lena walked to the workshop. In the locked tool cabinet, she found the approved crimp tool: a pneumatic press with interchangeable die sets, last calibrated three months ago. Beside it, a —a precision micrometer block with a slot. For a 0.5 mm² wire, the target crimp height after crimping (the barrel’s compressed outer dimension) was specified in a table in the PDF: typically 1.05 mm ±0.05 mm.
Total elimination of voids between individual wire strands.
In the control room of the Arctic Dawn , a semi-submersible drilling rig north of Norway, engineer Lena Vogel watched the master alarm panel flicker. Not a full failure. A ghost. Every 47 minutes, the pressure reading from the BOP (blowout preventer) would stutter, drop to zero for 0.3 seconds, then recover.
: Mandates RoHS-compliant plating, typically utilizing tin-alloy over nickel layers to mitigate whisker risks and corrosion. The Mechanics of Compliant Crimping