ABB 3HAC4816-2 Resistor Unit

FAQ

Q1: What is ABB 3HAC4816-2?
A: ABB 3HAC4816-2 is a resistor unit used in ABB industrial robot systems.

Q2: What is the resistance specification?
A: The unit is identified as 6 × 77 Ω.

Q3: Which ABB robot controller family is it associated with?
A: It is associated with ABB S4, S4C and S4C+ robot systems.

Q4: What is the purpose of the resistor unit?
A: It is used as a power resistor assembly within the robot’s electrical system, typically for controlling or dissipating electrical energy.

Q5: Is 3HAC4816-2 an electronic control board?
A: No. It is a passive resistor assembly, not a CPU, I/O board, or communication module.

Q6: What is the weight of 3HAC4816-2?
A: A supplier listing specifies approximately 6 kg.

Q7: What are the dimensions of 3HAC4816-2?
A: A reliable manufacturer dimensional drawing was not found, so the dimensions should be confirmed from the physical unit or ABB documentation rather than estimated.

Q8: What should be checked before replacing this resistor unit?
A: Verify the complete part number 3HAC4816-2, the 6 × 77 Ω resistance configuration, mounting arrangement, terminals, and the specific ABB robot/controller configuration before replacement.

3HAC4816-2 ABB

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