Toshiba JK Series manual JK720 Series

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MEDIUM VOLTAGE CONTROLLERS

JK720 Series

The new JK720 Series of motor controller is the result of extensive research and development. This state-of-the-art controller was designed in Houston, Texas, and is currently being manufac- tured under ISO 9001 standards in the same manufacturing facility as Toshiba motors and drives. The components in this new series have been arranged in the most logical manner to produce a tightly designed unit. This stream- lined, space saving design provides the ultimate in maintenance ease and safety features.

These medium voltage controllers are available in across-the-line or reduced voltage models for the control of induction, wound rotor or synchronous motors, transformers, or capacitors up to 4.8kV. All controllers are designed to meet NEMA Class E2 requirements. These fixed type controllers are available in one high enclosures with the following standard features:

Standard Features Full & Reduced Voltage Controllers

Toshiba Medium Voltage Vacuum Contactor 720A Bolted Pressure Switch Connections

36" Wide Footprint

Rigid 11 Gauge Steel Frame

Front Accessible Main Bus Current Transformers

Current Limiting, High Interrupting Capacity, "R" Rated Motor Starting Fuses

Start and Stop Push Buttons Run and Off Pilot Lights Single Phase Ammeter

Control Power Transformer with Primary and Secondary Fuses

Thermal Bimetallic Overload Relay

Separate Medium and Low Voltage Compartments

Built-in Run/Test Circuit Mechanical and Electrical Interlocks

Isolated Low Voltage Compartment

The low voltage section is oversized and is at a convenient height. This section is isolated from the medium voltage section and includes:

Thermal Overload Protection Relay Pilot Lights (door mounted)

Push Buttons (door mounted)

Single Phase Ammeter (door mounted) CPT Secondary Fuses

Control Terminal Points for Customer Connections Timers (for Reduced Voltage Controllers) Standard Options:

Metering & Metering Switches

Ground Fault Protection Relay Phase Sequence Protection Relay RTD Monitor/Relay

Solid State (2E) Protection Relay (Overload/Single Phase)

S2E21 Multi-funtion Protection Relay

Standard Features:

Bolted Pressure Isolation Switch

Less Resistance

Less Wear

Zero Insertion Pressure

Mechanical Interlocking System

Reduced Voltage Autotransformer Controller

Additional Standard Features:

Shorting (400A) and Run (720A), Vacuum

Contactors

NEMA Medium Duty, Three Winding, Copper

Wound Autotransformer with 50%, 65%, and

80% Taps

Adjustable Solid State Transition Timer

Adjustable Solid State Incomplete Sequence

Timer

If UL or CUL is required, specify when ordering. Consult Factory for applicable models and options.

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Contents JK Series Medium Voltage Controllers Current Rating JK720 Series Maximum Continuous Standards StructurePower Bus Medium Voltage Controllers 400 AmperesPage Page Ratings 720A Medium Voltage Fixed Controller Medium Voltage Controllers 720 Amperes Page Page 50kA RMS Sym. @ 5.0kV Max Page Page Page Page Page Page Page PacjKSBROCH050218

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.