Do the new AF and AFGF breakers have the time saver diagnostic (TSD) feature?
Product Line:
QO and HOM arc fault and dual function breakers
Resolution:
Yes, the time saver diagnostic feature is still built in to all AF and AFGF breakers. See the procedure below:
NOTE: Read all cautions and warnings in the literature and on the product. Electrical work and troubleshooting should be done by an authorized person.
Fault Indication Procedure - Time Saver Diagnostics
- Place circuit breaker in the O/OFF position.
- Firmly press and continue holding the ‘TEST’ button through Step 4.
- Move handle to I/ON position.
- Circuit breaker should trip at one of the following times.
Trips Instantly (less than 1 second) Fault to ground; includes:
- Arcing to ground
- Shared neutral
- Grounded neutral
- Ground fault
Trips at 2.0 seconds Arc fault; includes:
- Parallel arc fault
- Series arc fault
Trips at 5.0 seconds Procedure complete; includes:
- No Fault
- Thermal overload
- Short circuit
NOTE: Once you have recorded the TSD results. Please reset fault indication by using below procedure before leaving job site:
- Perform the fault indication procedure a total of 6 times
- Verify by performing fault indication procedure with a trip at 5.0 seconds (procedure complete) result.
An automatic reset of fault indication will occur if the circuit breaker has been powered continuously for 27 days.
Released for: Schneider Electric Canada
