Chapter 1 Overview 1
ASCO 7000 Series Medium Voltage Transfer Switch User Manual
Chapter 1 Overview
The ASCO 7000 Series medium voltage transfer switch meets GB3906 and IEC62271-200 standards.
This chapter will introduce the model description, appearance, product composition, and application environment, as
well as the mechanical and electrical parameters of this transfer switch.
1.1 Model Description
Taking E7ADTC03125085XL as an example, the model description is shown in Table 1-1.
Table 1-1 Model Description and Order Information
Short-circuit breakring Current
(1)
7000 Series Medium Voltage
Automatic Transfer Switch
7000 Series Medium Voltage Automatic Transfer Switch
GB/IEC MV Dual CB Transfer Switch
(1)
24kV class systems are only available in 25kAIC and 31.5kAIC configurations.
(2)
24kV class systems are only available in 1250A and 2000A configurations.
(3)
When the nominal system voltage is 3.3kV, 6kV or 6.6kV, the rated voltage of the switchgear is 7.2kV;
When the nominal system voltage is 10kV or 11kV, the rated voltage of the switchgear is 12kV;
When the nominal system voltage is 20kV or 22kV, the rated voltage of the switchgear is 24kV.
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