Help a newbie with schematic symbols ^_^

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    Schematic Symbols
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SUMMARY

This discussion focuses on understanding schematic symbols used in one-line diagrams, specifically for electrical circuits. Participants identify symbols such as "M" for motor, "C" potentially for clock, and "EG" for emergency generator. The current rating of 250A is confirmed to refer to the circuit breaker. The conversation highlights the need for a full schematic for accurate interpretation of the symbols.

PREREQUISITES
  • Familiarity with one-line/single-line diagrams
  • Basic understanding of electrical circuit components
  • Knowledge of circuit breaker ratings
  • Experience with schematic symbol interpretation
NEXT STEPS
  • Research standard schematic symbols used in electrical engineering
  • Learn about circuit breaker specifications and ratings
  • Explore resources on interpreting one-line diagrams
  • Study the role and function of emergency generators in electrical systems
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Electrical engineers, technicians, and students seeking to enhance their understanding of schematic symbols and electrical circuit design.

MrSen
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Help a newbie with schematic symbols ^_^"

Hey all!

Im kinda stucked here with these symbols. Does anyone have any idea?

6qblas.jpg


1. I think its a terminal, but I am not that sure, since it is connected to a circuit-breaker (which is connected to a transformator)

2. Just to clarify, is 250A the current rating of the circuit breaker?

3. What does this "M" stand for?

4. What does this "C" stand for?

5. What does this "12 of" stand for?

6. "EG" ?

Thanks a lot for all the help! ;)
 
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Welcome to PF.

These symbols appear to be those used in "one-line/single-line diagrams".

http://www.red-bag.com/imageslib/BN-DS-E2_02.pdf"

M = motor
C = clock?
EG = emergency generator?

I would want to see the full schematic to know for sure.
 
Last edited by a moderator:


I haven't seen a lot of these, but I'm not that experienced either. The * i have seen as some type of off-page connectors before though.
 

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