Toshiba's JK400 series complies with EEMAC,
NEMA, UL and CSA standards and is available in
non-reversing and reversing full voltage, autotrans-
former, reactor, multi-speed, synchronous and
wound rotor configurations. Latched contactors
are also available.
The JK400 series is available in the following
enclosed ratings:
360 amps
2300-6600 Volts
Up to 5,000 HP
Short Circuit & Withstand Capability
Application Table
For transformer and capacitor load switching applications, consult factory.
* Actual limits based on your specific application parameters. All specifications subject to change without notice.
Current Rating
Enclosure Type
Maximum
Continuous
Amperes*
46" and 61"
One-High Controller
Maximum Continuous Amperes*
90" One-High Controller or Lower
Controller in a Two-High Stacking
Arrangement
Maximum Continuous
Amperes*
Upper Controller in a Two-High
Stacking Arrangement
Type 1 Ventilated
360
360
320
Type 1 Non-Ventilated
320
320
280
Type 12, 3, 3R
310
310
280
MEDIUM VOLTAGE CONTROLLERS
JK400 Series
Interrupting
Capacity
(Symmetrical
Amperes)
Interrupting
Capacity
(Symmetrical
MVA)
Short Time
Capability
30 Seconds
(Amperes)
Short Time
Capability
1 Second
(Amperes)
Dielectric
Withstand
1 Minute
(kVAC)
Impulse
Voltage
Withstand
(kV)
50,000
@ 2.3 - 6.6 kV
200 @ 2.3 kV
350 @ 4.0 kV
400 @ 4.6 kV
570 @ 6.6 kV
2400
6000
18.2
60
2300 Volts, 3 Phase
4200 Volts, 3 Phase
6600 Volts, 3 Phase
0.8 PF 1.0 PF
0.8 PF 1.0 PF
0.8 PF 1.0 PF
360
1500 1750
1500
2500 3000
2500
4000 5000
4000
320
1250 1500
1250
2250 2500
2250
3500 4500
3500
310
1250 1500
1250
2000 2500
2000
3500 4000
3500
280
1000 1250
1000
1750 2250
1750
3000 3500
3000
Synchronous
Motors
Induction
Motors
Enclosed
Maximum
Continuous
Current
(Amperes)
Maximum Horsepower at Utilization Voltage
Synchronous
Motors
Induction
Motors
Synchronous
Motors
Induction
Motors