YA40/D
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33671931-YA40/D
Clifford & Snell YA40 Series Red 32-Tone Electronic Sounder, 24 V dc, 108dB at 1 Metre, 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.