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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-Hi
g
h Controlle
r
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 Horse
p
ower at Utilization Volta
g
e
Synchronous
Motors
Induction
Motors
Synchronous
Motors
Induction
Motors