855P-B30SE22
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37034455-855P-B30SE22
Allen Bradley 855P Series Black Siren, 12 → 24 V ac/dc, 80dB at 1 Metre, Panel Mount, IP65
The Maximum Operating Temperature is the maximum body temperature at which the thermistor is designed to operate for extended periods of time with acceptable stability of its electrical characteristics.
The voltage level by which an electrical system is designated and to which certain operating characteristics of the system are related.
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.