SERIES 300 AUTOMATIC TRANSFER SWITCHES

 

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ASCO SERIES 185 RESIDENTIAL TRANSFER SWITCH

ASCO SERIES 300G INDUSTRIAL TRANSFER SWITCH

ASCO SERIES 300 INDUSTRIAL TRANSFER SWITCH

MANUAL TRANSFER SWITCHES

 

SERVICE ENTRANCE RATED AUTOMATIC TRANSFER SWITCHES

 

October 15, 2014

THE ASCO SERIES 300 AUTOMATIC TRANSFER SWITCH HAS BEEN REPLACED BY THE ASCO SERIES 300G. WE HAVE FULLY TESTED THE REPLACEMENT ASCO SERIES 300G OVER A PERIOD OF SEVERAL MONTHS, AND HAVE  FOUND IT IS EVEN BETTER
THAN THE "OLD" SERIES 300.

PLEASE CLICK ON THE LINK BELOW OR IN THE NAVIGATION BAR TO LEARN ABOUT THE ASCO SERIES 300G AUTOMATIC TRANSFER SWITCH.

ASCO SERIES 300G INDUSTRIAL TRANSFER SWITCH

 

 

QUESTIONS or want to place a PHONE ORDER

Please call us toll free at (866)321-6855 or e-mail us at
sales@biglakesupply.com

(we're open from 9-5 central time Monday through Friday)

 

 

STANDARD FEATURES

  • Motor load transfer controls (inphase monitor) to keep motors operating during transfer.

  • Pre-transfer & post-transfer load disconnect contacts for signaling motor starters, elevators, VFDs and other selected loads.

  • Standard Engine Exerciser for weekly automatic testing of engine generator set with or without load.

  • Selectable control switches for voltage, frequency, time delay settings & additional control features.

  • Switch position lights, source availability lights, test switch and time delay bypass switch.

TIME DELAYS

  • Adjustable time delay to over ride momentary normal source outages to delay all transfer switch and engine-starting signals.

  • Transfer to emergency time delay. Adjustable from 0 to 5 minutes for controlled timing of load transfer to emergency.

  • Retransfer to normal time delay. Adjustable to 30 minutes.

  • Five-minute unloaded running time delay for emergency engine generator cool down.

  • Four-second time delay to override momentary to ignore momentary voltage and frequency transients during initial genset loading.

VOLTAGE & FREQUENCY SENSING

  • Adjustable three-phase, close differential voltage sensing on normal source.

  • Normal source pickup voltage is adjustable to 95% of nominal; drop-out is adjustable from 70 to 90% of nominal.

  • Frequency sensing on emergency source. Pickup at 95% and dropout at 85% of nominal.

STANDARD CONTROL CONTACTS

  • Switch position indicating contacts (rated 10 amps 250VAC, 32VDC). (1) for Normal position, (1) for Emergency position.

  • Gold plated engine start contacts (rated 5 amps 28VDC or 120VAC).

REMOTE CONTROL FEATURES

  • Remote test switch.

  • Remote contact for test or for peak shaving applications. Circuit will be automatically bypassed if emergency source fails.

  • Inhibit transfer to emergency.

  • Remote time delay bypass switch.

 

 

SERIES 300  AUTOMATIC TRANSFER SWITCH DOCUMENTS

Operators manual, 30-225 amp (456kb)

Brochure (2.1mb) Suggested bid specifications (63kb)

Operators manual, 260-400 amp (1.1mb)

Deluxe engine exerciser manual (145kb) Warranty (94kb)
Operators manual,600-1200  amp (515kb) Dimensional data Cut Sheet

 

 

DON'T SEE THE AUTOMATIC TRANSFER SWITCH YOU'RE LOOKING FOR?

Call us toll free at (866)321-6855

or E-mail us at sales@biglakesupply.com

We can supply you with any ASCO series 185 or 300 Automatic Transfer Switch, at the lowest prices in the country.

 

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