Technical Specifications - Cisco IE 4000 Hardware Installation Manual

Technical Specifications

This appendix provides the technical specification for the Cisco IE 4000 switches.
Operating Temperature Specifications
Table 3 on page 59
Table 3 Operating Temperature for the Cisco IE 4000 Switches
Industrial Automation and
Hazardous Locations
Enclosure Sealed enclosures
types
For example: NEMA4, NEMA4X,
NEMA12, NEMA13, IP54, and
IP66.
1. lfm = linear feet per minute.
Note: The safety certifications apply only to ambient temperatures under 158°F (70°C). However, the
Cisco IE 4000 switch can function in the substation and traffic signal installations under the environmental conditions
shown in Table 3 on page
lists the operating temperatures for the Cisco IE 4000 switches in three different environments.
59.
Cisco Systems, Inc.
Substation
Vented enclosures
For example: NEMA1, IP20, and
IP21.
www.cisco.com
59
Traffic Signal
Fan or blower-equipped
enclosures
For example: NEMA TS-2.
Note: The minimum airflow is 150
1
lfm .