ASCO Series 7000 Soft Load
ASCO Transfer Switch Group - Automatic Transfer Switches - Enclosed - Series 7000 - Soft Load
As the world leader in emergency and standby power transfer solutions, ASCO keeps your power on. ASCO, Automatic Transfer Switches and Power Systems safeguard data and telecommunications networks, industrial processes and critical installations from health care facilities to financial transaction centers.
Over the past 70 years, ASCO has pioneered every major product innovation in power transfer technology. And ASCO is committed to providing a full range of quality-driven products, backed by 24-hour nationwide service support.
ASCO Series 7000 Soft Load - ASCO 7000 Soft Load Series automatic transfer switches when critical power protection and CITT or BIS is required.
Automatic Switch Company (ASCO) provides the solutions to handle the transfer of critical loads to emergency sources reliably and with state of the art products. Using ASCO products can mean the difference between a minor inconvenience and a major catastrophe. You'll find ASCO Automatic Transfer Switches wherever there is a critical load to be protected..
High speed transfer of the total load is accomplished, regardless of ampacity size by a reliable, field proven operating mechanism. When combined with a programmable microprocessor controller with keypad and LCD display, this Series offers the most advanced method of transferring all types of loads, such as, motors, electronic drives, UPS's and microprocessor based systems. 7000 Series automatic transfer switches are available Enclosed only. Sizes available from 150 through 4000 amps with the largest selection of optional accessories offered anywhere.
This Series is available in 120 to 600 VAC, UL 1008 listed to 480 VAC for total system loads. True double-throw, inherently interlocked construction to absolutely prohibit connecting both sources together. Contacts easily accessible for easy inspection and preventive maintenance. Meets National Electric Code requirements (U.S.). Rated for critical applications.
- Standard models in stock, dropped shipped to your location. We will assist you in configuring your switch. Factory engineering assistance is provided at no charge.
- Available in NEMA Type 1, enclosures from 150 to 4000 amps, (some exceptions).
- Qualified and listed to CSA C22.2 No. 178 and UL 1008 automatic transfer equipment standards.
- For technical data, dimensions, features, remote controls, monitoring, warranty and other information. See Additional Information below.
There are several Types available within the 7000 Series Soft Load group. Click on the link to go to that product.
Synchronizing Power Ensures Continuity The ASCO 7000 Series Soft Load Power Transfer Switch synchronizes and parallels two independent power sources, without interrupting power flow. The switch can be programmed to either maintain parallel operation of both power sources, or transfer the load to the onsite generating unit, avoiding transients caused by block loading. Coupled with Web-enabled ASCO SiteWebTM command and control, the Soft Load Power Transfer Switch enables you to use your onsite generation unit for soft load transferring, base loading, importing or exporting. The modes below are all available with Series 7000 Soft Load models. . Soft Load Power Transferring In the soft load power transfer mode, the transfer switch synchronizes and parallels the onsite generating unit to the utility source, then immediately instructs the generating unit to assume a preset load value (Gen Minimum Load Set-point). The Soft Load Controller then continues to control generator excitation to the preset power factor setting. It begins increasing load on the engine at a preset ramp time rate. At the point the load on the utility source drops to the cutoff value, the switch disconnects the utility feeder. Continuous Base Loading In the base loading manual mode, the generating unit operates continuously in parallel with the utility source until operation is discontinued on command. While operating, the soft load controller holds the load and power factor to the generating unit constant. Load variations are carried by the utility source. The switch retransfers the load to the utility source if the generating unit malfunctions. . Power Importing or Exporting In the importing or exporting modes, the power transfer switch maintains the generating unit in parallel with the utility source. The switch's Soft Load Controller instructs the generating unit to produce the required output and varies the load on the unit to maintain the set import or export level. Load variations are carried by the generating unit up to the maximum generator load setting. If either the utility or the generator power fails in any of the modes, the load automatically transfers to the available source.
CALL FOR PRICING: Due to the extensive array of types, options and accessories please contact the GeneratorJoe sales department for competitive pricing. Call GeneratorJoe at 707 542-2224 or write firstname.lastname@example.org.
ASCO 7000 Series - Soft Load - Transfer Switches - Product Features Seamlessly transfers loads between acceptable utility power and onsite generation with virtually no voltage or frequency transients Transfers power using proven ASCO Closed-Transition Transfer Switches (CTTS) Automatically selects emergency standby transfer operation upon loss of utility power Enables you to monitor and control soft load operation using GUIs ( graphical user interfaces) with user-friendly, pull down menus Actively synchronizes the onsite generating unit to the utility source by automatically adjusting the generating unit's governor and voltage regulator (analog or pulse width modulated outputs control the governor) Allows you to activate protective functions using the touch screen (each function can be programmed to signal an external breaker and/or alarm signal, or just display the condition on the GUI) Maximizes security with multiple levels of password protection Contains protective functions on utility and generator sources required for ongoing parallel operation Records and time stamps events and all changes to protective function settings Provides digital inputs with adjustable trip and reset time delays to control or monitor external devices Conventional two-position transfer configuration, plus closed and delayed transition modes of operation. All configurations available with either automatic or non-automatic control. Independently qualified and certified listed to IEC 60947-6-1, CE marked (optional). (Limited to certain accessories.) UL listed to 1008 Transfer Switch Equipment & CSA certified to CSA 22.2 No. 178-1978 Automatic Transfer Switches. High withstand and close-on ratings including 30 cycle withstand current rating for optimum flexibility in circuit breaker coordination Rated up to 600 VAC, 30 through 4000 amperes. Reliable and field proven solenoid operating mechanism. Solid, switched, or overlapping neutral conductor options. Front replaceable main and arcing contacts (600-4000 amperes). Programmable microprocessor controller with keypad and LCD display. Centrally located terminal block for customer control connections (260-4000 amperes). 16mm, industrial grade control switches and indicating lights. Four auxiliary contacts, two contacts closed when switch is in normal position and two contacts closed when switch is in emergency position. Local/remote serial communications capability for interfacing with ASCO PowerQuest® VPi and SiteWebTM communication products. Ten Year ASCO GuardianTM Warranty
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Series 7000 Softload, Industrial Automatic Transfer Switches, Enclosed, Transition, For Critical ApplicationsClose differential 3 phase under-voltage sensing of Source1 (normal) - factory standard setting 90% pickup, 80% dropout (adjustable); under-frequency sensing of Source 1 factory setting 95% pickup (adjustable).Contact transfer speed less than 100 millisecondseTemperature rise test per UL 1008 conducted after overload and endurance tests in unventilated enclosure-exceeds UL requirementsHigh close-in and withstand capabilityNEMA Type 1 enclosure is standard. Also available in NEMA 3R, 4, 4X & 12.Voltage and frequency sensing of the Source 2 (emergency) - factory standard setting 90% pickup voltage, 95% pickup frequency (adjustable).Indicating LEDs for source availability and switch position.Pushbuttons for test, exerciser set, timer bypass and program cancel.Special status annunciation of in-phase transfer and timer operation.Selectable 7, 14, 21 or 28 day (factory set 28 dsays) generator (source2) with or without load exerciser timer.Diagnostic LED indications in logical one-line configuration.Auxiliary contacts (1 each) cclosed in Source 1 (normal) and Source 2 (emergency positions.Close differential under-voltage sensing of the normal source.Voltage and frequency sensing of the emergency source.Test switch (fast test/load/no load) to simulate normal source failure - automatically bypassed should the emergency source fail .Double throw, interlocked operation .Electrically operated, mechanically held by a simple, over-center mechanism.Segmented silver tungsten alloy contacts with separate arcing contacts on 600 amps and above.Arc quenching grids, enclosed arc chambers and wide contact air gap for superior source-to-source isolation on all units.Control circuit disconnect plug and drive inhibit switch for safe maintenance.Components accessible for inspection and maintenance without removal of the switch or the power conductors.Mechanical indicator and contact chamber cover designed for inspection, safety and position designation.
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