Power Transfer Switches

ASCO 7000 SERIES Medium Voltage Transfer Switch

ASCO protects medium voltage loads by offering maintainable and highly proven power transfer switches. The switches can be configured with protective relays and other options to meet specific project requirements.

Best Suited For
  • Banking, Financial and Insurance
  • Broadcast and Entertainment
  • Construction and Engineering
  • Data Center/Colocation/Hosting
  • Education
  • Fire/Alarm/Security
  • Government
  • Healthcare
  • Manufacturing
  • Power Generation
  • Retail and Wholesale
  • Telecom
  • Transportation
Limited Guardian Warranty
How to buy

Specifications

Specifications per model ASCO 7000 SERIES Medium Voltage Transfer Switch
Ampere Size Pole Count Voltage Enclosure Type
1200, 2000 - 3000A 3 2400 - 13,800V Type 1, 3R, 3RX, 4, 4X, 12
* To view a specific model product page click on the model name above.

Features

Draw-Out and Shuttered Vacuum Circuit Breakers with Optional Protective Relaying:
–One (1) Normal Source
VCB for Transfer Switch
–One (1) Emergency
Source VCB for Transfer Switch
Epoxy insulated copper bus
Protective barriers per ANSI C37.20.2 and UL 1008A to isolate major components
Fully integrated multi-section metal clad assembly

Benefits

All ASCO 7000 SERIES Medium Voltage Transfer Switches utilize industry leading breaker technology and are approved with
internal arc classification IAC A FLR, loss of service continuity category LSC 2B and partition class PM. This makes them suitable for
universal installation, meeting the highest requirements regarding personal safety.
The 7000 SERIES Medium Voltage Transfer Switch is engineered to safely provide continuous power in the widest range of emergency
and standby power applications including industrial, commercial and business-critical facilities as well as health care campuses.

Services & Support

Support

Frequently Asked Questions
Q
Where can I send remote transfer signal?
A
The transfer switch has a feature connected to the field connections terminal block (TB) called Feature 17 or Remote Transfer to Emergency Feature. This requires a customer supplied normally open contact wherein closing of the contact causes engine start and transfer to the emergency source.
Q
How does the ATS work?
A
The ATS works like a conventional open transition transfer switch. The transfer switch main contacts moves in a quick break - before make mode transition. There is no momentary parallel connection of the two sources and no extended center-off position during transfer. The transition is quick. The ATS controller monitors the voltage and frequency of the two sources (upon re-transfer or any transfer between 2 “live” sources) and ensures that they are in-phase before the load is transferred (if enabled).
Q
How will I know if the controller is damaged?
A
The controller is damaged if the display doesn’t work; If there are extensive signs of burns on the PC board; If the OP and NR relays are no longer functional.
Q
Why won't the ATS transfer to Emergency?
A
The ATS won’t transfer to Emergency if: Emergency is unavailable; The Transfer to Emergency Inhibit is activated; The Load Shed from Emergency feature is activated; The solenoid operator is damaged; The ER relay is damaged; The controller is damaged; There is mechanical failure.
Q
Where do I connect the engine start wires?
A
The engine start contacts are also known as feature 7 and 8. Feature 7 is a contact that closes to send an engine start signal and Feature 8 is a contact that opens to send an engine start signal. Refer to the transfer switch wiring diagram for the terminal connections. To request for a wiring diagram just take note of the Serial no., BOM no. and the Catalog no. of the transfer switch and call 1-800-800-ASCO (2726) option 33.

Contacts

Sales In USA Change Location
ASCO Power Technologies (Maryland, Southern Delaware, Washington DC and VA)
Email Contact +1 571 313 8041 Fax +1 703 342 0391
12310 Pinecrest Road, Suite 204 Reston Virginia 20191 USA
Product areas of focus: Power Transfer Switches, Paralleling Switch Gear, Power Control and Monitoring
ASCO Power Technologies (Maryland, Southern Delaware, Washington DC and VA) Justin Mitros
Email Contact +1 571 313 8041 Fax +1 703 342 0391
12310 Pinecrest Road, Suite 204 Reston Virginia 20191 USA
Product areas of focus: Power Transfer Switches, Paralleling Switch Gear, Power Control and Monitoring
Support Change Location
ASCO Services, Inc.
50 Hanover Road Florham Park New Jersey 07932
Product areas of focus: Power Transfer Switches, Paralleling Switch Gear, Power Control and Monitoring

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