Comprehensive Procedure

Maintenance request from TC 96

Some proposals of Secretary for the title are in red colour, confirmed by TC 96 are in blue (still under work), together with improvement from the original graphics (View with full screen.)
IEC 60417-5221
Isotating transformer



Pr01-001
Fail-safe separating trasformer
Separating transformer, fail-safe


Pr01-018
Non-short-circuit proof isolating transformer for the supply of medical locations
Isolating transformer for the supply of medical locations, non-short-circuit proof
Pr01-009
Fail-safe isolating transformer
Isolating transformer, fail-safe


Pr01-010
Non short-circuit proof isolating transformer
Isolating transformer, non-short-circuit proof (inherently or non-inherently)

Pr01-011
Short-circuit proof isolating transformer (inherently or non-inherently)
Isolating transformer, short-circuit proof
Pr01-002
Fail-safe control trasformer
Control transformer, fail-safe



Triangle should be used for caution/warning.
Pr01-003
Non short-circuit proof control transformer (inherently or non-inherently)
Control transformer, non-short-circuit proof

Triangle should be used for caution/warning.
Pr01-004
Short-circuit proof control transformer (inherently or non-inherently)
Control transformer, short-circuit proof

Triangle should be used for caution/warning.
Pr01-012
Fail-safe safety isolating transformer
Safety isolating transformer, fail-safe


Pr01-013
Non-short-circuit proof safely isolating transformer
Safety isolating transformer, non-short-circuit proof
Pr01-014
Short-circuit proof safety isolating transformer
Safety isolating transformer, short-circuit proof


Pr01-019
Fail-safe isolating perturbation attenuation transformer
Isolating transformer, perterbation attenuation, fail safe
Pr01-020
Fail-safe safety isolation perturbation attenuation transformer
Isolating transformer, perterbation attenuation, fail safe, safety
Pr01-021
Short-circuit proof isolating perturbation attenuation transformer (inherently or non-inherently)
Isolating transformer, short-circuit proof, perterbation attenuation
Pr01-022
Short-circuit proof safety isolating perturbation attenuation transformer (inherently or non-inherently)
Safety isolating transformer, short-circuit proof, perterbation attenuation
Pr01-023
Fail-safe reactor
Reactor, fail-safe
Pr01-024
Non-overload proof reactor
Reactor, non-loverload proof
Pr01-025
Overload proof reactor
Reactor, overload proof
Pr01-015
Fail-safe auto-transformer
Auto-transformer, fail-safe
Pr01-016
Non-short-circuit proof auto-transformer
Auto-transformer, non-short-circuit proof
Pr01-017
Short-circuit proof auto-transformer
Auto-transformer, short-circuit proof
Pr01-027
Fail-safe isolating transformer for construction sites
Isolating transformer for construction sites, fail-safe
Pr01-028
Fail-safe safefy isolating transformer for construction sites
Isolating transformer for construction sites, fail-safe, safety
Pr01-026
Fail-safe isolating transformer for construction sites with mid-point or star-point earthed
Isolating transformer for construction sites, fail-safe, mid-point or star-point earthed
Pr01-029
Non-short-circuit proof isolating transformer for construction sites
Isolating transformer for construction sites, non-short-circuit proof


Pr01-030
Non-short-circuit proof safety isolating transformer for construction sites
Isolating transformer for construction sites, non-short-circuit proof, safety


Pr01-031
Non-short-circuit proof isolating transformer for construction sites with mid-point or star-point earthed
Isolating transformer for construction sites, non-short-circuit proof, mid-point or star-point earthed
Pr01-032
Short-circuit proof isolating transformer for construction sites (inherently or non-inherently) Isolating transformer for construction sites, Short-circuit proof (inherently or non-inherently)


Pr01-033
Short-circuit proof safety isolating transformer for construction sites
Isolating transformer for construction sites, short-circuit proof, safety


Pr01-034
Short-circuit proof isolating transformer for construction sites with mid-point or star-point earthed (inherently or non-inherently)
Isolating transformer for construction sites, Short-circuit proof (inherently or non-inherently), mid-point or star-point earthed
Pr01-005
Fail-safe ignition transformer with one end of the output winding connected to the earth
Ignition transformer, one end of the output winding connected to the earth, fail-safe
Pr01-006
Fail-safe ignition transformer with the mid-point of the output winding connected to the earth
Ignition transformer, the mid-point of the output winding connected to the earth, fail-safe
Pr01-007
Inherently short-circuit proof ignition transformer with one end of the output winding connected to the earth
Ignition transformer, inherently short-circuit proof, one end of the output winding connected to the earth
Pr01-008
Inherently short-circuit proof ignition transformer with the mid-point of the output winding connected to the earth
Ignition transformer, inherently short-circuit proof, the mid-point of the output winding connected to the earth