Transfer Switches / KCT

Product catalog summary

Overview: The document outlines the specifications and features of Kohler's Model KCT/KCP Automatic Transfer Switches, designed for emergency and standby applications. These switches are available in open-transition and programmed-transition modes, with various current and voltage ratings.

Specifications:

Voltage: Options range from 208V to 600V AC, supporting both 50Hz and 60Hz frequencies.
Current: Open-Transition models support 30-4000 amps, while Programmed-Transition models support 150-4000 amps.
Poles: Available in 2, 3, or 4 poles.
Contact Design: Features a double-throw, inherently interlocked design (break-before-make).
Neutral Options: Includes solid, switched, or overlapping (make-before-break) options.
Contact Material: Made from silver alloy.

Controller Features:

MPAC 1000 Controller: Equipped with a microprocessor, real-time clock, voltage and frequency sensing, and Modbus communication.
Programmable Features: Allows configuration of system voltage and frequency, time delays, phase rotation, and password protection.
User Interface: Includes a keypad with tactile feedback, LED indicators, and selectable operating modes.

Environmental Specifications:

Operating Temperature: Ranges from -20°C to 70°C (-4°F to 158°F).
Storage Temperature: Ranges from -40°C to 70°C (-40°F to 158°F).
Humidity: Supports 5% to 95% non-condensing environments.
Altitude: Operates up to 3050 meters (10000 feet) without derating.

Standards and Compliance: The switches comply with standards such as UL 508, UL 1008, NFPA 70, NFPA 99, NFPA 110, IEEE Standard 446, and various IEC specifications for EMI/EMC immunity.

Withstand Current Ratings: Detailed ratings are provided for both open- and programmed-transition models, coordinated with customer-supplied fuses or circuit breakers.

Accessories: Includes programmable I/O modules, battery chargers, padlockable covers, and setup software.

Application Data: Details on UL-listed solderless screw-type terminals for external power connections and input/output connection specifications are provided.

Weights and Dimensions: Information on dimensions and weights for various models in different NEMA enclosures is included.

Model Designation: The document explains the model designation system, covering model type, electrical controls, number of poles and wires, transition types, and power connection types.

Procedures and Recommendations: Advises contacting local Kohler generator set distributors for availability and notes that specifications are subject to change without notice.

Contact Information: Provides contact details for Kohler Power Systems' Asia Pacific Headquarters and US offices for sales and service inquiries.