Released 2021
Warranty Period 5-year (Refer to Instruction Manuals)

*Make sure necessary tests will be carried out on your end equipment with the power supply installed in accordance with any required EMC/EMI regulations.

Features of PJMA300F-48

• Medical Isolation Grade 2MOPP
• 4kV isolation
• Economical design
• Wide temperature range (-20℃ to +70℃, Derating is required)
• Harmonic attenuator (Complies with IEC61000-3-2 class A)
• Universal input (AC85 - 264V, Derating is required)
• Low power consumption at no load

Ordering Information and Options

PJM(1)  A(2)  300(3)  F(4)  -  (5)  -  (6)  

(1) Series name
(2) Single output
(3) Output wattage
(4) Universal input
(5) Output voltage
(6) Optional
  C: with Coating
  G: Low leakage current
  V: External potentiometer for output voltage adjustment
  R: with Remote ON/OFF (External power source is required)
  F4: Low speed fan

See 5.1 in Instruction Manual.

Recommended EMI Filters


Contents Specifications
Input Voltage AC85 - 264V 1Φ *
Output Wattage 302.4W ACIN100V - 264V
Voltage/Current 48V 6.3A
Adjustable  Voltage Range 43.20 - 52.80V
Protection Circuit And Others Overcurrent Protection Works over 105% of rating and recovers automatically
Overvoltage Protection 55.20 - 67.20V
Remote ON/OFF Optional (External power source is required. Option -R)
Remote Sensing -
Others -
Operating Temperature/Humidity -20 to +70℃ (Output derating is required) , 20 - 90%RH (Non condensing)
Safety And Noise Regulations Agency Approvals (At only AC input) ANSI/AAMI ES60601-1, EN60601-1 3rd,c-UL (equivalent to CAN/CSA-C22.2 No.60601-1)
Conducted Noise Complies with FCC Part15 classB , VCCI classB ,CISPR32 classB EN55032-B and EN55011-B
High Attenuation Complies with IEC61000-3-2 class A
Others Dimensions (WxHxD) 102x41x190mm [4.02x1.61x7.48 inches] (Excluding terminal block and screw)
Weight 1.0kg max
Cooling Method Forced cooling (internal fan)
Warranty Period 5-year (Refer to Instruction Manuals)
  • * For further information and how to use, please see in Cosel product catalog.

Documents Download

Technical Data
  • * For another documents aren't listed, please feel free to contact to a Cosel representative.

Optional Parts

Attachment Plate, Harness

Category Part Number Description PDF DXF
F-PLA300-1 Attachment plate to facilitate mounting.
(For mounting at the bottom)
F-PLA300-2 Attachment plate to facilitate mounting.
(For mounting at front side/back side)
F-PLA300-3 Attachment plate to facilitate mounting.
(For mounting at the bottom)
H-RC-6 Harness for using option : -R. -
H-SN-18 Harness for using option : -V. -
Table1 Product Status Information
No. Product Status Definition
1 New Product New Product. Recommended for new design.
2 Recommended Recommended for new design.
3 blank Product in mass production
4 NRND Not recommended for new design.
5 To be discontinued PDN (Product Discontinuation Notice) is issued and LTB (Last Time Buy) is under consideration.
6 Discontinued LTB order is no longer available.