AC/DC Power Supplies

Cosel PBB20C-D SERIES AC/DC Power Supply

The Cosel PBB20C-D Series AC/DC Power Supply is a versatile and compact dual-output solution, designed for applications requiring reliable and efficient power delivery. With power outputs ranging from 15W to 50W and dual voltage options (e.g., ±5V, ±12V, ±15V), it meets the demands of industrial and electronic systems with precision. Key feature...

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The Cosel PBB20C-D Series AC/DC Power Supply is a versatile and compact dual-output solution, designed for applications requiring reliable and efficient power delivery. With power outputs ranging from 15W to 50W and dual voltage options (e.g., ±5V, ±12V, ±15V), it meets the demands of industrial and electronic systems with precision.

Key features include a universal input voltage range (85–264VAC or 120–370VDC) and high efficiency of up to 83%, ensuring energy efficiency and reduced heat generation. The PBB20C-D Series offers robust safety features such as overcurrent and overvoltage protection, automatic recovery, and isolation capabilities of up to 3kVAC for enhanced reliability. Noise and EMC compliance with standards like FCC-B, CISPR22-B, and EN55011-B ensure minimal interference, making it suitable for sensitive electronics.

The series operates within a wide temperature range (-10°C to 70°C) and is designed for durability, withstanding vibrations and impacts in challenging environments. Available in multiple configurations (up to 50W max power), the PBB20C-D is ideal for applications in industrial automation, test and measurement equipment, and more.

With its compact design, low weight, and compliance with global safety standards, the Cosel PBB20C-D Series is a dependable choice for professionals seeking a cost-effective and high-performance power supply.

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PBB20C-D - Cosel Dual Output AC/DC Power Supply
Features
  • 15W-50W AC/DC Module
  • PCB Mounting
  • Small Footprint
  • ErP compliant
  • Meets Class II
  • High efficiency
  • Wide operating temperature -40 to 85C
Specifications
INPUT
Voltage 85~264Vac
Frequency 47-440Hz.
Inrush current 100Vin 15A typical; 200Vin 30A typical.
OUTPUT
Output Voltage See Selection table.
Voltage Adjustment

5Vdc: 4.99 - 6Vdc

12Vdc: 9.60 - 13.2Vdc

15Vdc: 13.2Vdc to 16.5Vdc

(+V and -V are simultaneously adjusted)

Output Power 15W, 30W, 50W
Output Current See selection table.
Ripple & noise 150mVp-p
Line regulation 60mV Typical
Load regulation 500mV Typical
Startup time 200ms max.
Holdup time 20ms typical
Remote control Optional yes
Efficiency 75%-83% typical
PROTECTION
Over Current Protection Over 105% of rated current and recovers automatically.

Over Voltage Protection Approx. 130% of rated voltage
Isolation

 Input-Output 3kVac,1min Input - Ground 2kVac, 1min Output - Ground 500Vac,1min

ENVIRONMENTAL
Operating Temperature -10°C to 70°C (Refer to derating curve, consult Powerbox sales)
Humidity 20%-90% non-condensing.
Vibration 10Hz-55Hz at 2G
Shock 20G 11ms X, Y, Z axis
STANDARDS AND APPROVALS
Safety UL60950-1, C-UL(CSA60950-1), EN60950-1, EN50178, Complies with DEN-AN.
C-Tick AS/NZS CISPR11 Group 1 Class A.
EMC compliances EN61204-3, EN61000-6-2 EN61000-4-2,-3,-4,-5,-6,-8,-11
EMI compliances Complies with FCC-B, CISPR22-B, EN55011-B, EN55022-B, VCCI-B
CE marking Complies with LVD and EMC Directives
Selection Table
MODEL NUMBER OUTPUT VOLTAGE OUTPUT CURRENT POWER
PBB20C-D12F +/-12V (+24V) 0.7A 15W
PBB20C-D15F +/-15V (+30V)     0.5A 15W
PBB20C-D5H +/-5V (+10V) 1.5A 30W
PBB20C-D12H +/-12V (+24V) 1.3A 30W
PBB20C-D15H +/-15V (+30V) 1.0A 30W
PBB20C-D5J +/-5V (+10V) 3.0A 50W
PBB20C-D12J +/-12V (+24V) 2.1A 50W
PBB20C-D15J +/-15V (+30V) 1.7A 50W
Technical Drawings
Technical diagram of a power supply unit with measurements. Technical drawing of a power supply unit, showing dimensions and features. Technical drawing of a CoSel PBW50F power supply unit with measurements.
Downloads
PBB20C-D_1a51168a-d640-4143-893e-faec265f94e0.pdf
Warranty & Returns

Warranty periods vary by product. Please refer to the Powerbox Warranty Policy for the applicable coverage period against manufacturing defects from date of purchase. For returns and RMA requests, please visit our RMA support page or contact our support team directly.