OTEC Transfer Switch - Cummins DKSH (Thailand)

OTEC Transfer Switch

Amps

Voltage

Frequency

Certification

Segmentation

Commercial Properties, Data Center Mobile, Healthcare, Manufacturing, Residential Properties, Telecommunications/IT, Utility

PRODUCT Detail

The OTEC transfer switches monitor both power sources, signal generator set to start, automatically transfer power, and return the load to the primary power source once a stable utility is available. The fully integrated controller is designed for practical functionality, with LED indicators and digital pushbuttons for ease of operator use.

Cummins Power Generation switches are built to withstand thousands of switching cycles, ensuring maximum reliable operation. The benefits include:

Easy Service/Access – Plug connections, door-mounted controls, ample access space, compatible terminal markings simplify access.
Advanced Transfer Switch Mechanism – Bi-directional linear motor actuator provides virtually friction-free, constant-force, straight-line transfer switch action with no complex gears or linkage.
Break-Before-Make Action – Independent break-before-make action is used for both 3-pole and 4-pole/switched neutral switches.
Main Contacts – Heavy-duty silver alloy contacts with separate arcing surfaces and multi-leaf chutes are rated for total system transfer including overload interruption.

Mechanical Interlock – Prevents simultaneous closing of normal and emergency contacts.
Positive Interlocking – Mechanical and electrical interlocking prevent source-to-source connection through the power or control wiring.
Manual Operation – Manual operation handles, shielded termination, and over center type contact mechanisms allow effective, manual operation under de-energized conditions.
Microprocessor Control – Fully-featured PowerCommand^® 40 microprocessor control is standard with all features, settings and adjustments software-enabled for ease of setup and accuracy.
Service Entrance Option Available

PowerCommand®40 Transfer Switch Control Features and Highlights:

Digital Display – The PowerCommand^® 40 offers a clear back-lit LCD display, showing system operational status, contextual icons and warnings.
PC & Front Panel Configuration – The modules can be easily configured using the PC software. Selected front panel editing is also available.
Configurable Digital I/O – Configurable digital inputs and outputs make the PowerCommand^® 40 fully flexible to a suit a wide variety of applications.

Communications Capability – Optional MODBUS RS485 communication module allows integration of the transfer switch into an external BMS or Scada systems.
Inbuilt Programmable Exerciser – Configure pre-set automatic starting and stopping of the generator as well as stopping the ATS carrying out a transfer (when in Auto mode). Run with load or without load.
Test Modes – Test system with or without load.

Wherever you are, whatever your job, Cummins expertise is Always On

Cummins offers customers unrivaled peace of mind when it comes to servicing and maintaining digital master controls. Best-in-class aftermarket capabilities via your dedicated local contact, supported by a global system of service technicians, engineers, 8,00 dealer locations and 500 part distribution facilities in over 190 countries spread across 6 continents.

Transfer Switch
Model Name	Ampere Rating
OTECA	40, 70, 125 (3-pole)
OTECB	150, 225, 250
OTECC	300, 400, 600
OTECD	800, 1000
OTECE	1200

Service Entrance Transfer Switch
Model Name	Ampere Rating
OTECSEA	40, 70, 100, 125
OTECSEB	150, 200, 225, 260
OTECSEC	300, 400, 600
OTECSED	800, 1000

Voltage rating – Up to 600 V AC, 50 or 60 Hz.
Arc interruption – Multiple leaf arc chutes provide dependable arc interruption
Neutral bar – A full current-rated neutral bar with lugs is standard on enclosed 3-pole transfer switches
Auxiliary contacts – Two isolated contacts (one for each source) indicating switch position are provided for customer use. Contacts are normally open, and close to indicate connection to the source. Wired to terminal block for easy access. Rated at 10 A Continuous and 250 V AC maximum.
Operating temperature – -22 ˚F (-30 ˚C) to 140 ˚F (60 ˚C)
Storage temperature – -40 ˚F (-40 ˚C) to 140 ˚F (60 ˚C)
Humidity – Up to 95 % relative, non-condensing
Altitude – Up to 10,000 ft (3,000 m) without derating
Surge withstand ratings – Voltage surge performance and testing in compliance with the requirements of IEEE C62.41 (Category B3) and IEEE C62.45
Total transfer time (source-to-source) – Will not exceed 6 cycles at 60 Hz with normal voltage applied to the actuator and without programmed transition enabled.
Manual operation – Transfer switch mechanisms are equipped with means to manually transfer. All sources must be de-energized before manual operation is attempted.

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PRODUCT Detail

PowerCommand®40 Transfer Switch Control Features and Highlights:

Wherever you are, whatever your job, Cummins expertise is Always On

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