× Due to the severe weather in Wareham, our phone lines are temporarily out of service today. We're here to assist you though! Please direct all enquiries through our online contact forms, email us directly at sales@relec.co.uk, or use our live chat feature. All of our office-based staff will not have access to emails so some queries may be picked up on Monday. Our remote staff are still operational. We apologise for any inconvenience this may cause and appreciate your understanding. Stay dry!
Power > URB1D_LD-20WR3 Series

URB1D_LD-20WR3 Series

Input: 40-160Vdc
Outputs 3V to 24V dc
Power: 20 Watt
Tamb: -40 to +85°C
Dims: 2" x 1" x 0.465"
2250V Isolation

Make an enquiry
Request a sample

Make an Enquiry

  • This field is for validation purposes and should be left unchanged.

Request a Sample

  • This field is for validation purposes and should be left unchanged.
have a question? Contact us now


The single output Mornsun URB1D_LD-20WR3 series are isolated 20W dc dc products with 4:1 input voltage. They feature efficiency up to 88%, 2250Vdc isolation, operating temperature of -40° to +85°C, input under-voltage protection, output over-voltage, over-current, short circuit protection and EMI meets CISPR22/EN55022 ClassA, making them suitable for applications in medical, industrial control, electric power, instrumentation and communication fields. The Mornsun URB1D_LD-20WR3 when combined with the FC-CX1D-RIA input filter and a small number of external components meets RIA12 for railway applications, its wide input voltage range makes it suitable for traction battery voltages 48V, 60V, 72V, 80V, 96V & 110Vdc. Chassis mount version A2S and the DIN rail mount version A4S also provide input reverse polarity protection, LED power ON and screw terminals.



Click on the link below for an instant download.

  • URB1D_LD-20WR3 datasheet

We would love to know more about the problem you are trying to solve

Our experts are on hand to help you find the best solution!

LET’S MAKE THIS EASY. CALL 01929 555 700

why choose relec?
  • Faster

    Our aim is to get back to you with an initial response within the hour.

  • Attention to detail

    We pride ourselves on getting you the right product, at the right price and on time.

  • New ideas

    We are constantly looking for latest technology and products for your applications.

  • Beyond standard

    It’s not just about the product.  Our service goes way beyond the norm.

  • Easy

    We want to make your life as simple as it can be. Call us to find out what we can offer.

sign up for our newsletter

Enter your email address below

  • This field is for validation purposes and should be left unchanged.