Toshiba JK Series Manuel D’Utilisation

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

 For transformer and capacitor load switching applications, consult factory.

 

* Actual limits based on your specific application parameters.  All specifications subject to change without notice.

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

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