Controller Ratings - Toshiba JK 720 Instruction Manual

Basic Installation and Operation Guide
Interrupting
Capacity
(Sym.
Amperes)
200@2.3kV
50,000 RMS
350@4.0kV
@2.3-6.6kV
400A4.6kV
(7.2kV Max)
570@6.6kV
TOSHIBA

CONTROLLER RATINGS

Table 2 Short-Circuit & Withstand Capability
Interrupting Short Time
Capacity Capability
(Sym. MVA) 30 Seconds
4320 A
Table 3 Continuous Current Rating
Enclosure Type
NEMA-1 Ventilated
NEMA-1 Non-Ventilated
NEMA-12, 3R
JK Series 720 Controllers
Short Time Dielectric
Capability Withstand
1 Second 1 Minute
10,800 A
22 kVac
Max. Continuous Amperes
One-High Controller
720
650
600
Impulse
Voltage
Withstand
60 kV BIL
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