Reed switches as cell fuses

Table of Contents

1 Long term current capability (LTC)

Procedure:

  1. test the reed switch
  2. turn on current
  3. wait Time
  4. turn off current
  5. test the reed switch
Article no Test Before Current [A] Time [s] After Notes
1 LTC OK 1 600 OK  
1 LTC OK 2 600 NOK The reed switch became NO, the magnetic sleeve no longer activates it
2 LTC NOK       DOA
3 FCC OK 5 600 NOK heat generated, sleeve swelling observed after 1 min, case melts, smoke appears after 3 min, hole appears in case and sleeve after 4 min, constant smoke after 5 min. After test the reed is shorted (doesn't disconnect on magnetic field)

2 Flash current capability (FCC)

Procedure:

  1. test the reed switch
  2. turn on current
  3. wait Time or until circuit breaks (which is the expected result)
  4. turn off current
  5. test the reed switch
Article no Test Before Current [A] Time [s] After Notes
4 FCC OK 17 < 10 NOK The reed switch became NO after < 10 s, the magnetic sleeve no longer activates it.

3 Current breaking capability (CBC)

Created: 2020-09-21 11:09

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