Circuit diagrams Reading information - circuit-breakers
Description of figures Fig. Fig. Fig. Fig. Fig.
1 2 4 6 7
Fig. 8 Fig. 11 Fig. 12 Fig. 13 Fig. 14
Fig. 21 Fig. 22 Fig. 23 Fig. 31 Fig. 32 Fig. 41 Fig. 42 Fig. 43 Fig. 44 Fig. 45 Fig. 46 Fig. 47 Fig. 61 Fig. 62
= Motor circuit to charge the closing springs. = Circuit of shunt closing release. = Shunt opening release. = Instantaneous undervoltage release (see notes B and Q). = Undervoltage trip unit with electronic time-delay device, outside the circuit-breaker (see notes B and Q) = Second shunt opening release (see note Q). = Contact for electrical signalling of springs charged. = Contact for electrical signalling of undervoltage release energized (see notes B and S). = Contact for electrical signalling of circuit-breaker open due to tripping of the overcurrent release. The circuit-breaker may be closed only after pressing the reset pushbutton. = Contact for electrical signalling of circuit-breaker open due to tripping of the overcurrent release and electrical reset coil. The circuit-breaker may be closed only after pressing the reset pushbutton or energizing the coil. = First set of circuit-breaker auxiliary contacts. = Second set of circuit-breaker auxiliary contacts (see note V). = Third set of supplementary auxiliary contacts outside the circuit-breaker. = First set of contacts for electrical signalling of circuit-breaker in racked-in, test isolated, racked-out position. = Second set of contacts for electrical signalling of circuit-breaker in racked-in, test isolated, racked-out position. = Auxiliary circuits of PR121/P trip unit (see note F). = Auxiliary circuits of PR122/P and PR123/P trip units (see notes F, N and V). = Circuits of the measuring module PR120/V of the PR122/P and PR123/P trip units internally connected to the circuit-breaker (optional for the trip unit PR122/P) (see notes T and U). = Circuits of the measuring module PR120/V of the PR122/P and PR123/P trip units externally connected to the circuit-breaker (optional for the trip unit PR122/P) (see notes O and U). = Circuits of the communication module PR120/D-M of the PR122/P and PR123/P trip units (optional) (see note E). = Circuits of the indicator module PR120/K of the PR122/P and PR123/P trip units - connection 1 (optional) (see note V). = Circuits of the indicator module PR120/K of the PR122/P and PR123/P trip units - connection 2 (optional) (see note V). = SOR TEST UNIT Test/monitoring unit (see note R). = Local Device LD030 DO con PR121/P, PR122/P, PR123/P.
Incompatibilities The circuits indicated in the following figures cannot be supplied simultaneously on the same circuit-breaker: 6-7-8 13 - 14 22 - 46 - 47 43 - 44 11A - 45A only if fig. 1A is not present.
8
8/4
ABB SACE