Automatic Transfer Switches Global
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Power Generation

The Power of One™ Used for switching power between the primary (utility) and secondary (backup or supplemental) power sources, Cummins automatic transfer switches feature PowerCommand control technology for easy operation, and a robust, high-contact-force design to withstand thousands of switching cycles. A full line of standard switches is available from 40 to 4,000 amps for the entire range of power systems with common bus communication language. Key features include: Together as a system, PowerCommand® transfer switches, digital paralleling systems, generator sets and digital master...

Reliable, flexible, easy to use PowerCommand® transfer switches provide safe, dependable power transfer between sources. For facilities with a prime power system using multiple on-site generators. If the primary generator fails, the transfer switch sends a start signal to the second generator and then transfers the load. For facilities with a standby power system and a single utility feed. The transfer switch senses when utility power has been lost, sends a start signal to the standby generator and transfers the load. Three-source system For use in facilities with redundant utility feeds...

Dependable power transfer Open, closed or programmed-transition transfer OTPC > Open, closed or programmed transition > 40-4000 amps > 3- and 4-pole > UL-listed Bypass isolation load transfer BTPC > Open, closed or programmed transition > 150-4000 amps > 3- and 4-pole > UL-listed

Choice of transfer modes PowerCommand® transfer switches optimize system reliability and performance, reduce maintenance costs and enhance your entire system with unique capabilities. Open-transition transfer Closed-transition transfer Break-before-make switching action: The most basic type of transfer; the connection to one source is opened before the connection to the second source is closed. The sync-check feature included in the open-transition transfer control monitors both sources and initiates the transfer—avoiding out-of-phase closing. Make-before-break switching action for...

OTPC 40-4000 amp series PowerCommand automatic transfer switches Premium-featured OTPC PowerCommand transfer switches are ideal for emergency, code-required and optional standby power applications. The OTPC transfer switch is available in several different control configurations to meet the requirements of your load transfer application. @ 1008 ^ ICS10 PowerCommand® automatic transfer switches feature microprocessor-based control technology for easy operation and robust, high-contact-force design. > PowerCommand control Microprocessor-based controls are developed specifically for...

Features: > Long-life, high-visibility LED indicators Designed to last the life of the control; include “not in auto” and “test/exercise active” monitoring Displays color-coded and easy-to-read load status including 3-phase AC voltage, current, frequency, kW and power factor > Momentary push buttons > Lamp test button Allow for quick, one-touch testing and retransfer of power > Front panel security lock Safeguards against unauthorized adjustments or operation > Digital vacuum fluorescent displays Feature 2-line-by-20-character for easy reading at a distance; superior to LCD-type displays at...

bypass-isolation transfer switches PowerCommand® bypassisolation transfer switches are ideal for critical-need applications where any disruption of supply power, even for routine maintenance, is unacceptable. BTPC series transfer switches combine the features of our advanced automatic transfer switch with a closeddoor drawout isolation mechanism, a two-source bypass switch and exclusive microprocessor-based controls. The switch allows maintenance, service and testing of the automatic transfer switch without disrupting power to critical loads. The resulting power transfer redundancy helps...

> Bypass to any viable source at any time Allows for normal or emergency power, whichever is required > Permanently mounted instructions Indicate bypass position Are connected, tested and isolated with door closed for safety > Easy manual operation Allows manual transfer to any available source at any time > Heavy-duty 3-point latches Insures door will stay closed without the need for screw-in fasteners Bypass isolation transfer switches standard and optional features > Cabinet space for “all top” or “all bottom” cable connections > Touch barrier over field connections > Automatic safety...

CHPC closed-transition 125-800 amp series PowerCommand automatic transfer switches Designed specifically for uninterrupted, closed-transition operation, the revolutionary design incorporates proven PowerCommand micro-processor control with an innovative High-Endurance Mechanism (HEM) for uncompromising reliability. OHPC open-transition 125-800 amp series PowerCommand automatic transfer switches For open-transition operation, OHPC transfer switches also incorporate PowerCommand microprocessor control and a reliable High-Endurance Mechanism. The OHPC is ideal for utility-to-utility,...

OTEC 40-1000 amp series automatic transfer switches The OTEC series transfer switch provides the basic features you need for primary source and generator set monitoring, generator set starting and load transfer functions for emergency standby power applications. Cummins Power Generation switches are built to withstand thousands of switching cycles, ensuring reliable operation. > 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...

GTEC 40-2000 amp series automatic transfer switch The GTEC automatic transfer switch combines reliability and flexibility in a small, economical package for normal and generator set source monitoring, generator set starting and load transfer functions. GTEC automatic transfer switches are ideal for IEC emergency, standby and optional standby applications. Not available in North America. > Microprocessor control Fully-featured microprocessor control is standard with all settings and adjustments designed for easy operator use via the front display panel > Operating modes Open transition with...