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Kenwood PR250-0.42A
Regulated DC Power Supply 0-250 Volts / 0-0.42 Amp
 
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Kenwood PR250-0.42A
Regulated DC Power Supply 0-250 Volts / 0-0.42 Amp



Kenwood PR250-0.42A
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 Kenwood PR250-0.42A

Features:
  • Low Ripple, Low Noise
  • Series Operation, Parallel Operation
  • OUTPUT ON/OFF Switching
  • CV/CC LED indicators
  • Floating Output Method
  • PR-A Series Parallel-Connected Operation
  • PR-A Series Optional Equipment



  Description

The PR-A Series of series-regulated CV/CC power supplied were designed to provide a compact power supply package with high performance, and ensure excellent reliability as well as excellent design. Seven types are available for a variety of requirements, three 18 V types, two 36 V types, one 70 V type and one 250 V type. Whether used individually or connected in series or parallel for greater capacity, the PR-A Series ensures excellent performance. These power supplies are housed in a compact rack-mount package and can be used on the bench top as well.

Low Ripple, Low Noise
Series regulation achieves extremely low ripple and noise, as well as a very low temperature coefficient and excellent electrical characteristics.

Series Operation, Parallel Operation
Several power supplies can be connected in series to boost output voltage capability, or in parallel to boost output current capability. In addition, with the parallel connection method, master-slave setup lets you control the output from just one of the connected supplies.

OUTPUT ON/OFF Switching
The output can be switched on and off with a switch on the front panel.

CV/CC LED indicators
The green LED lights during CV operation and the red LED lights during CC operation.

Floating Output Method
Because the output terminals are floating, operation is possible as either a positive or negative power supply.

PR-A Series Parallel-Connected Operation
It is possible to connect several of the same model of PR-A Series power supplies in parallel to increase current capability. Output is controlled from one master unit.

PR-A Series Optional Equipment
Rack Mount Adapter for PR-A Series




  Models, Options, & Accessories


Model Description List Price Sale Price
PR250-0.42A Replaced by PA250-0.42B - Discontinued - no replacement
Model Accessories List Price Sale Price
RK-604E Rack Mount Adapter for PR-A Series - Discontinued - no replacement
RB-604A Blank Panel for RK-604E, 1/2 rack width - Discontinued - no replacement
RB-604B Blank Panel for RK-604E, 1/3 rack width - Discontinued - no replacement
RB-604C Blank Panel for RK-604E, 1/4 rack width - Discontinued - no replacement
RB-604D Blank Panel for RK-604E, 1/6 rack width - Discontinued - no replacement
RB-604E Blank Panel for RK-604E, 1/12 rack width - Discontinued - no replacement



  Specifications

Output voltage (continuously variable, with coarse and fine adjustments) 0 to 250V
Output current (continuously variable) 0 to 0.42A
Voltage regulation characteristics
Line regulation (with respect to ア10% variation in AC) 0.01%+2mV(27mV)
Load regulation (with respect to change from 0 to 100%) 0.01%+2mV(27mV)
Ripple/noise (10Hz to 1MHz) 2.5mVrms
Ripple peak (p-p) 2mVp-p
Transient response (output current 5% to 100%): 100μs Typ
Temperature coefficient 150ppm/℃ Typ
Current regulation characteristics
Line regulation (with respect to ア10% variation in AC) 2mA
Load regulation (with respect to change from 0 to 100%) 10mA
Ripple/noise (10Hz to 1MHz) 2.0mArms
Ripple peak (p-p) 6.0mAp-p
Temperature coefficient 500ppm/ーC Typ
Meter
Voltmeter (2.5 % f.s.) 250V
Ammeter (2.5 % f.s.) 0.42A
Functions
Series operation (independent control) Series operation (with in groundable voltage limits)
Parallel operation (master-slave) Single-control parallel operation (only for power supplies of the same model)
Output
Polarity Positive or negative side groundable
Terminal color + (red), - (white), and GND (black)
Groundable voltage limit ア500V DC
Operating environment
Temperature/humidity for characteristics in spec. 0 to 40℃, 10 to 85%RH
Cooling system Natural draft
Power consumption VA/W (100V AC, ア20%) Approx. 200VA/155W
Power requirement 100Vア10% AC, 50/60Hz, 120V/220V/240Vア10% (max. 250V AC)
Case dimensions (WラHラD) mm 138ラ147ラ239
Maximum dimensions (WラHラD) mm 142ラ167ラ290
Weight Approx. 7.0kg
Accessories Instruction manualラ1




 

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