MEDIUM VOLTAGE CONTROLLERS

JK720 Series

Toshiba's JK720 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 JK720 series is available in the following enclosed ratings:

720amps

2300-4800 Volts Up to 6,000 HP

Note: An Incoming Section is required for the JK720 FVNR, FVR and RVAT type starters, transformer feeders and capacitor switching controllers.

Current Rating

 

 

Maximum Continuous

Enclosure Type

Amperes*

 

 

One-High Controller

 

 

 

Type 1

Ventilated

720

Type 1

Non-Ventilated

650

Type 12 & 3R

600

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

Short Circuit & Withstand Capability

Interrupting

Interrupting

Short Time

Short Time

Dielectric

Impulse

Capacity

Capacity

Capability

Capability

Withstand

Voltage

(Symmetrical

(Symmetrical

30 Seconds

1 Second

1 Minute

Withstand

Amperes)

MVA)

(Amperes)

(Amperes)

(kV)

(kV)

50,000

200 @ 2.3 kV

 

 

AC 13.25

60

350 @ 4.0 kV

4320

10,800

@ 2.3 - 4.6 kV

DC 19

400 @ 4.6 kV

 

 

 

 

 

 

 

 

Application Table

Enclosed

Maximum Horsepower at Utilization Voltage

2300 Volts, 3 Phase

4200 Volts, 3 Phase

Maximum

 

 

 

 

 

 

Continuous

Synchronous

Induction

Synchronous

Induction

Current

Motors

Motors

Motors

Motors

(Amperes)

 

 

 

 

0.8 PF

1.0 PF

 

0.8 PF

1.0 PF

 

 

 

 

720

3000

3500

3000

5500

6000

5500

650

2750

3000

2750

5000

5500

5000

600

2500

2750

2500

4500

5000

4500

For transformer and capacitor load switching applications, consult factory.

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Toshiba JK Series manual Maximum Continuous

JK Series specifications

The Toshiba JK Series represents a significant advancement in the field of home appliances, specifically in cooking technology. This innovative range of microwave ovens combines cutting-edge features, energy efficiency, and sleek design, making them a standout choice for modern kitchens.

One of the primary characteristics of the Toshiba JK Series is its robust power capacity. Most models come equipped with high wattage, allowing them to cook food quickly and evenly. This feature is especially beneficial for busy households where time is of the essence. Additionally, the JK Series incorporates advanced heating systems that utilize a combination of microwave and grill functions, enabling users to achieve perfectly cooked meals with a crispy finish.

A key technology integrated into the Toshiba JK Series is the Smart Sensor function. This intelligent feature adjusts cooking times and power levels based on the moisture levels of the food, ensuring optimal results every time. Users can easily reheat leftovers or cook fresh ingredients without the guesswork typically associated with microwave cooking. This smart approach not only enhances convenience but also promotes energy efficiency, targeting precision in both cooking and power consumption.

Another notable aspect of the Toshiba JK Series is its user-friendly interface. Many models feature a large LED display and intuitive controls, allowing for seamless navigation through various cooking settings. The series often includes pre-programmed options for common foods, such as popcorn, pizza, and vegetables, making meal preparation straightforward and efficient.

In addition to functionality, Toshiba emphasizes safety in the JK Series. Models typically come with child safety locks to prevent accidental operation, giving parents peace of mind. Furthermore, the durable materials used in construction ensure longevity and reliability, making the JK Series a worthwhile investment for any kitchen.

The stylish design of the Toshiba JK Series also deserves mention. With a contemporary finish and compact form factor, these microwave ovens can easily complement any kitchen décor, enhancing overall aesthetic appeal.

In summary, the Toshiba JK Series is a well-rounded choice for consumers looking for powerful, efficient, and stylish microwave ovens. Its combination of smart technology, user-friendly features, safety considerations, and appealing design solidifies its reputation as a leading option in modern cooking appliances. Whether for reheating or cooking, the JK Series is designed to meet the demands of today’s fast-paced lifestyles while ensuring high-quality results.