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The Chemetronics 501 Heat detectors are designed for use in applications requiring protection against weather, moisture (internal condensation), and explosive atmospheres. Also, a Chemetronics 501 Unit is a dual-action electric fire detection thermostat. It employs two independent methods of detection rate-of-rise as well as fixed temperature. The rate-of-rise method detects fires that rapidly grow in intensity. Furthermore, this method quickly responds to abnormally fast temperature increases. Besides, the fixed-temperature method detects fires that build temperatures to a high level at a slow rate. This method responds to a specific temperature setting.
In general, the Chemetronics 501 is an “open circuit” device design to close an electrical circuit upon activation. The compact, simply designed unit is unaffected by vibration. In addition, all metal parts are brass or aluminum, mounted on a durable, mineral-filled, phenolic base. No exposed metal parts carry current. Electrical contacts are all silver-clad and of ample size. Large line terminals and wire ways are provided in the base for easy installation in either open wiring or concealed wiring systems.
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The Chemetronics 501 Heat detectors are designed for use in applications requiring protection against weather, moisture (internal condensation), and explosive atmospheres. Also, a Chemetronics 501 Unit is a dual-action electric fire detection thermostat. It employs two independent methods of detection rate-of-rise as well as fixed temperature. The rate-of-rise method detects fires that rapidly grow in intensity. Furthermore, this method quickly responds to abnormally fast temperature increases. Besides, the fixed-temperature method detects fires that build temperatures to a high level at a slow rate. This method responds to a specific temperature setting.
In general, the Chemetronics 501 is an “open circuit” device design to close an electrical circuit upon activation. The compact, simply designed unit is unaffected by vibration. In addition, all metal parts are brass or aluminum, mounted on a durable, mineral-filled, phenolic base. No exposed metal parts carry current. Electrical contacts are all silver-clad and of ample size. Large line terminals and wire ways are provided in the base for easy installation in either open wiring or concealed wiring systems.
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