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in DC Power Supplies
Item ID: 42889

Offered 14 Offered at Best Price


DC High Power Amplifier

In addition to this Copley Controls Corp. 234, Capovani Brothers Inc stocks a wide range of used dc power supplies. Typical manufacturers include Agilent, Copley Controls, Electronic Measurements Inc., Hewlett Packard, Kepco, Lambda, Power Ten Inc., and Sorensen.

To view our complete stock of used dc power supplies, visit our Direct Current (DC) Power Supplies Category.

Learn about our DC Power Supplies Refurbishment and Functional Testing Procedures

This used dc power supply and all the other used and refurbished semiconductor, scientific, and laboratory equipment listed on this website are owned by Capovani Brothers Inc. and stored at our facility in Scotia, NY.

Sell us your used, surplus or idle assets! Send us your surplus equipment list

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Location: Scotia, New York, United States
Unit Price Unstated
Number of Units 14
Manufacturer Copley Controls Corp
Model 234
Regulation Modes ConstantĀ Current     ConstantĀ Voltage
External Cooling Forced Air Cooled
Other Information 

Amplifier may be Master/Slave for 2X Output Current

Power Requirements

Fan Supply Required +28 V @ 2 A
High Voltage Supply +50 V to +160 V
Current required to supply load I2R losses plus amplifier losses
Quiescent Current 1.3 A
Internal Capacitance 72000  μF


Electromagnet excitation in particle guidance and focus in nuclear accelerator
Magnetic bearings and magnetic levitation
Vibration isolation
Automobile shock absorbers
Battery/fuel cell simulator for charge/discharge cycles
Motion control, including brushed, brushless, and multiphase DC linear mototrs
High DC stability (> 20 ppm/°C); paralleled for high current output filtering for perturbation-free magnetic field control

Extended Description  Details at 234P04.pdf
Condition Very Good
Exterior Dimensions 
  Width 19.000  in  (48.3 cm)
  Depth 23.000  in  (58.4 cm)
  Height 10.500  in  (26.7 cm)
Weight 75  lb  (34 kg)

Shipping & Handling:

Unless otherwise stated, all items will be fully tested and sold with our standard ninety day warranty, which is described in our terms and conditions. 
Our standard procedure is to service the equipment as orders are placed. Lead times can vary depending on the item.
Domestic and International shipments: Ex Works, Scotia, NY. All freight cost estimates are for dock to dock service only.
Any additional services, i.e. lift-gate, inside or residential delivery, must be requested at the time of sale and will be billed accordingly.
CBI is not responsible for any damage incurred during shipment. It is the buyer's responsibility to inspect packages for damage and to note any damage on bill of lading.
Please feel free to call us with any questions. (Phone: 518.346.8347, 844-833-8347, Fax: 518.381.9578).


Minimum order of $50 required.
We offer terms of net 30 days to all companies that have established credit with Capovani Brothers Inc. and have paid within terms.
All federal, state, local governments and their agencies, as well as institutions of higher learning automatically receive terms.
All other sales, including foreign sales, are prepayment only.
MasterCard, VISA, Discover and AMEX are accepted at sellers discretion.

Domestic Terms and Conditions

International Terms and Conditions