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0 – 32V / 2A, ±15V / 1A Tracking, 5V/2A Multiple DC Power Supply

Scientech 4077

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Scientech 4077 Multiple DC Power Supply is designed as a Constant Current (CC) and Constant Voltage (CV) source source for use in laboratories, industries and field testing. With compact size, light weight and required for low power loss, it provides DC output voltages for Analog and Digital testing.
A 3-digit display for voltage & 3-digit for current is provided to read the values. These two parameters are switchable for indicating either voltage or current.

The Scientech 4077 operates in both Constant Voltage (CV) and Constant Current (CC) modes, providing precise and stable power delivery for a wide range of applications. It offers flexible multi-output functionality, including:

  • 0–32V DC power supply (adjustable up to 2A)
  • ±15V DC power supply (dual tracking, 1A each)
  • 5V / 2A regulated output

This combination makes it ideal for applications requiring controlled voltage levels and current-limited power, including circuits that operate at 15 V / 2 A.

The unit features a 3-digit digital display that allows accurate monitoring of both voltage and current, with a user-selectable display mode for convenient operation.

Features

  • Three floating, independent DC outputs including 15V DC power supply and 32V DC power supply
  • DC Output Range: 0–32V / 2A, 5V / 2A, and ±15V / 1A tracking
  • Supports DC 15V 2A power supply applications
  • Constant Voltage and Constant Current operation
  • Short circuit protection
  • Digital display for voltage and current
  • Adjustable current limiter
  • Excellent Line  & Load Regulation
  • Low Ripple voltage

 

 

Technical Specifications

Parameter Specification
DC Output A: 0-30 V, 2 A, continuously variable by means of Coarse and Fine controls
B: 5 V, 2 A adjustable from 4 V – 6 V
C: 0 – ±15 V, 1 A Dual Tracking adjustable
Current Limit 100 mA – 2 A continuously adjustable for (0-30 V & 5 V)
100 mA – 1 A continuously adjustable for (± 15 V)
Resolution Voltage: 100 mV
Current: 10 mA
Internal Resistance ≤ 15 mΩ
Stability 2.5 mV at (30 V / 2A, 5 V / 2 A, ±15 V / 1 A)
Recovery Time ≤ 50 µs
Load Regulation ± (0.05 %+100 mV)
Line Regulation ± (0.05 %+100 mV)
Temp. Coefficient ± (0.05 % + 5 mV / °C)
Ripple & Noise ≤ 1 mVrms
Display 3-digit for voltage & 3-digit for current
LED indication for voltage & current
Accuracy ± (1% +1 digit)
Tracking Error ± (0.1% + 5 mV) for ± 15 V
Over Range Indication Glowing ‘ORA’ or ‘ORB’, ‘ORC+’ or ‘ORC–’ LEDs indicate Overload

General Information

Parameter Specification
Output All outputs are floating.
Built-in Protections Overheat, Overvoltage & Short Circuit protections
Insulation Between Chassis & output terminals > 10 MΩ at 100 V DC
Between Chassis & AC plug > 50 MΩ at 500 V DC
Power Supply 230 V, ± 10 %, 50 / 60 Hz
Operating Temperature 0-40° C, 80% RH
Dimensions (mm) W 285 × D 410 × H 88
Weight 5.2 Kg approximately
Product Tutorial Online www.ScientechLearning.com

Included Accessories

Accessory Quantity
Mains cord 1 no.

FAQs

 1. What is the maximum output of the Scientech 4077 DC power supply?

The Scientech 4077 offers a variable output of up to ±32 V DC at 2A, along with fixed outputs of 15 V DC (1A) and 5 V DC (2A), making it suitable for a wide range of lab and testing applications.

2. Can this device be used as a 15V DC power supply?

Yes, the unit provides a ±15 V dual-tracking DC power supply, making it suitable for circuits that require both positive and negative voltage rails, commonly used in analog and electronics testing.

3. Can the power supply deliver 15 V at 2 A?

Yes, the 0–32 V adjustable output can be set to 15 V with a maximum current of 2 A, making it suitable for applications requiring higher current at specific voltage levels.

4. What is the benefit of Constant Current (CC) and Constant Voltage (CV) modes?

In Constant Voltage (CV) mode, the output voltage remains stable while the current varies based on load conditions. In Constant Current (CC) mode, the current is limited to a preset value, protecting circuits from overcurrent. These modes ensure safe, stable, and reliable operation.

5. Does the power supply include protection features?

Yes, the Scientech 4077 includes short-circuit and overload protection, ensuring safe operation and preventing damage to both the power supply and connected devices.

 

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