RV1.25‑3 insulated crimp ring (O‑ring) terminal that I found, plus some tips on use. If you need something specific (e.g. for high temp, UL rating, etc.), I can pull that too.
✅ Typical Specifications for RV1.25‑3
| Parameter | Value |
|---|---|
| Wire cross‑section / conductor size | 0.5 ‑ 1.5 mm² (which is approx. AWG 22‑16) |
| Maximum current (Iₘₐₓ) | ≈ 19 A |
| Ring (stud) hole / inner diameter | 3.2 mm |
| Outer diameter of ring | ≈ 5.7 mm |
| Length (total / barrel) | Approx. 17.8 mm total length; barrel + ring + insulation length combined. |
| Terminal material | Copper (often tin‑plated) for good conductivity and corrosion resistance. |
| Insulation material | PVC (vinyl), red color for this wire size range. |
| Thickness of copper | ~0.7 mm for the copper ring in this size. |
⚠️ Notes / Usage Tips
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The “RV” designation is a standard type in many catalogues for ring terminals with insulation.
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The “1.25” in RV1.25‑3 corresponds to the nominal cross-sectional area (in mm²) of the conductor that fits in the barrel (0.5‑1.5 mm² in practice).
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The “3” is referring to the size of the stud/hole that bolts through it, here 3.2 mm.
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Color coding (red for this size) helps quickly identify the wire size group in ANSI / DIN / JIS standards.
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Make sure the crimp is done properly: correct tool, full insertion, no fraying of wire strand
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