Description
Siemens 4120200003 AC Adapter 40 VDC 100mA RJ11 Connector
This is a Siemens industrial AC-to-DC power adapter designed to convert AC input to a regulated 40 VDC output. The adapter features an RJ11 connector for easy integration with compatible Siemens control systems and equipment. It is a compact, benchtop-style power supply commonly found in industrial automation, PLC systems, and telecommunications environments where a low-voltage DC supply is needed for control circuits and peripheral devices.
Specifications & What's Included
- Manufacturer: Siemens
- Model Number: 4120200003
- Output Voltage: 40 VDC
- Output Current: 100 mA
- Connector Type: RJ11
- Input: Standard AC (50/60 Hz)
- Form Factor: Compact AC Adapter
- Condition: Used, inspected
Applications
The Siemens 4120200003 adapter is designed for use with Siemens industrial control systems, PLCs (programmable logic controllers), and automation equipment requiring a stable 40 VDC power source. This voltage and current rating are typical for powering low-power control modules, sensors, and auxiliary circuits in factory automation, process control, and telecommunications infrastructure. Adapters of this type have been widely used in industrial settings since the 1980s and remain in service in legacy and modern systems today. The RJ11 connector allows straightforward integration with standard Siemens wiring harnesses and terminal blocks. This unit is suitable for maintenance, repair, or replacement in existing installations where original specifications must be met.
This Siemens 4120200003 AC Adapter has been inspected and is in good used condition. The adapter is clean with minor cosmetic wear consistent with age and use. All connector contacts appear intact and the RJ11 connector is secure. This unit was pulled from a working environment and is ready for deployment. Please view our photo set and contact us if you have any questions.
Warranty Information
Additional Information
Brand: |
Siemens |
Model: |
4120200003 |
Type: |
AC Adapter / DC Power Supply |
MPN: |
4120200003 |
SKU: |
22102 |
Output Voltage: |
40 VDC |
Output Current: |
100 mA |
Connector Type: |
RJ11 |
Condition: |
Used – Inspected |
Country/Region of Manufacture: |
Germany |
Condition Notes: |
Siemens 4120200003 AC Adapter, used and inspected condition with minor cosmetic wear. Connector clean and secure. Pulled from working environment. |
California Prop 65 Warning: |
WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov |