B-40
Cisco IE 3000 Switch Hardware Installation Guide
Appendix B Installation In a Hazardous Environment
Connecting Power and Alarm Circuits
Information about the Sealed Relay Device
We recommend that you periodically inspect the sealed relay device. Inspect the device for any
degradation of materials. If any degradation is found, replace the
complete
product, not only the sealed
device. Following is some information about the sealed relay device:
Warning
Exposure to some chemicals could degrade the sealing properties of materials used in the sealed
relay device. Statment 381
Sealed Device: Relay Model AGN200A03, manufactured by Matsushita Electric Works
Relay cover: manufacturer of plastic material, Nippon Oil Corporation
Designation of plastic material: type FC-100
Generic name of plastic material: liquid-crystal polymer
Relay body: manufacturer of plastic material, Ueno Fine Chemicals Industry Ltd.
Designation of plastic material: type 2125G
Generic name of plastic material: liquid-crystal polymer
Relay Epoxy: manufacturer of plastic material, Resinous Kasei Co. Ltd.
Designation of material: type A-2500BK
Generic name of plastic material: epoxy resin
Sealed Device: Relay Model B4GA003Z, manufactured by Fujitsu Takamisawa Electric Company Ltd.
Relay cover: manufacturer of plastic material, Sumitomo Chemical Co. Ltd.
Designation of plastic material: type E4009
Generic name of plastic material: liquid-crystal polymer
Relay body: manufacture of plastic material, Sumitomo Chemical Co. Ltd.
Designation of plastic material: type E6807LHF
Generic Name of plastic material: liquid-crystal polymer
Relay Epoxy: manufacture of material, Sumitomo Bakelite Co. Ltd.
Designation of material: type SUMIMAC ECR-9750K2
Generic name of plastic material: epoxy resin
Wiring the Protective Ground and DC Power
For instructions on grounding the switch and connecting the DC power, see the
Protective Ground and DC Power” section on page B-17
For instructions on using a power converter for DC power, see the
“Connecting the Switch to the Power
Converter” section on page B-52
.