EN
- Overview
- Specifications
- Description
- Applications
- Competitive Advantage
- Troubleshooting
- FAQ
- Recommended Products
Overview
Place of Origin: |
Sweden |
Brand Name: |
ABB |
Model Number: |
3BHE035301R1002 UNS0121 |
Packaging Details: |
Original new Factory Sealed |
Delivery Time: |
5-7 days |
Payment Terms: |
T/T |
Supply Ability: |
In stock |
Specifications
|
Parameter |
Value |
|
Product Number |
3BHE035301R1002 UNS0121 |
|
Module Type |
Power Supply Module |
|
Dimensions |
30.2 × 17 × 8.5 cm |
|
Weight |
2.78 kg |
|
Input Voltage Range |
24 V DC |
|
Operating Temperature |
-20 °C to +60 °C |
|
Mounting Type |
DIN rail or panel mounting |
|
Communication Interface |
RS485 |
|
Protection Functions |
Overvoltage, undervoltage, and short-circuit protection (anti-surge protection for control boards) |
Description
The ABB 3BHE035301R1002 UNS0121 is a Power Supply Module manufactured by ABB for industrial automation control systems. This module primarily provides a stable power supply to the control system and may also include additional functions such as power monitoring and fault protection.
Applications
Large power plants: Provide reliable control power for excitation controllers and monitoring instruments.
Oil processing plants: Support stable power supply for variable frequency drive (LCI) systems in harsh power grid environments.
Fine chemical plants: Used for auxiliary power distribution within high-pressure pump control cabinets.
Steel and iron ore plants: Provide clean power for trigger circuits in environments with strong electromagnetic interference.
Mining and processing plants: Power the node modules of heavy-duty belt conveyor control systems.
Competitive Advantage
Troubleshooting
No output voltage: First check the input fuse or external circuit breaker to confirm that the input voltage is within the range.
Low voltage/high ripple: This is usually caused by the internal electrolytic capacitors drying out and aging; the entire module needs to be replaced.
Intermittent restarts: Check if the wiring terminals are loose due to vibration, causing poor contact.
FAQ
Q: What is the 3BHE035301R1002 UNS0121?
A: It is a Power Supply Module.
Q: Why is the power indicator light on in 3BHE035301R1002 UNS0121 but the back-end board not working?
A: It may be due to a faulty branch of one of the multiple outputs. You need to use a multimeter to measure the voltage at each output terminal.
Q: Does 3BHE035301R1002 UNS0121 support parallel redundant power supply?
A: It depends on the system design. In a UNITROL 6000 system, it is usually configured with a dual-power redundant architecture.
Q: What effect does high ambient humidity have on 3BHE035301R1002 UNS0121?
A: Prolonged high humidity can cause mold growth or electrical creep on the internal circuit board. The cabinet heater must be turned on.
Q: Are there any directional requirements for installation of 3BHE035301R1002 UNS0121?
A: Yes. It must be installed vertically to facilitate air convection and heat dissipation. Do not obstruct the top and bottom ventilation holes.
