SD40IS/X/O/RN
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54018750-SD40IS/X/O/RN
Clifford & Snell SD40IS Series Opal Flashing Beacon, 16.2 To 26.4 V, Surface Mount, LED Bulb, IP65
IP (or "Ingress Protection") ratings are defined in international standard EN 6529 (British BS EN 6529:1992, European IEC 659:1989). They are?used to define levels of sealing effectiveness of electrical enclosures against intrusion from foreign bodies?(tools, dirt etc) and moisture.