L2275
Emax
123/132
Doc. N°
Mod.
Apparatus
Scale
Page N°
RH0109002
S51
= Contact for bell alarm of power circuit breaker open due to trip of the trip unit. Power circuit breaker closing can only take place after
having pressed the reset pushbutton
S75E/14
= Contacts for electrical signaling of power circuit breaker in racked-out position (only provided with draw out version power circuit breakers)
S75I/14
= Contacts for electrical signaling of power circuit breaker in racked-in position (only provided with draw out version power circuit breakers)
S75T/14
= Contacts for the electrical signaling of power circuit breaker in test position (only provided with draw out version power circuit breakers)
SC
= Pushbutton or contact for power circuit breaker closing
SO
= Pushbutton or contact for power circuit breaker opening
SO1
= Pushbutton or contact for power circuit breaker opening with delayed trip
SO2
= Pushbutton or contact for power circuit breaker opening with instantaneous trip
TI/L1
= Current transformer located on phase L1
TI/L2
= Current transformer located on phase L2
TI/L3
= Current transformer located on phase L3
TI/N
= Current transformer located on the neutral
TI/O
= Homopolar current transformer located on the conductor which connects the MV/LV transformer star center to ground (see note G)
TU
= Insulation transformer
Uaux.
= Auxiliary power supply voltage (see note F)
UI/L1
= Current sensor (Rogowski coil) located on phase L1
UI/L2
= Current sensor (Rogowski coil) located on phase L2
UI/L3
= Current sensor (Rogowski coil) located on phase L3
UI/N
= Current sensor (Rogowski coil) located on the neutral
W1
= Serial interface with the control system (external bus): EIA RS485 interface (see note E)
W2
= Serial interface with the accessories of the PR112/P-A, PR112/PD-A, PR113/P-A and PR113/PD-A (internal bus) trip units
X
= Delivery connector for draw out version power circuit breaker auxiliary circuits
X1...X7
= Connectors for the power circuit breaker applications
XF
= Delivery terminal box for the draw out version power circuit breaker position contacts (located on the cradle of the power circuit breaker)
XK1
= Connector for the power circuits of the PR111-A, PR112/P-A, PR112/PD-A, PR113/P-A and PR113/PD-A trip units
XK2 - XK3 = Connectors for the auxiliary circuits of the PR112/P-A, PR112/PD-A, PR113/P-A and PR113/PD-A trip units
XO
= Connector for the YO1release
X V
= Delivery terminal box for fixed version power circuit breaker auxiliary circuits
YC
= Closing coil
YO
= Shunt trip
YO1
= Shunt trip for overcurrent
YO2
= Second shunt trip (see note Q)
YU
= Undervoltage release (see notes B and Q)
Description of figures
Fig. 1 = Closing spring charging motor circuit
Fig. 2 = Closing coil circuit
Fig. 3 = Closing coil circuit with control from the dialogue unit of the PR112/PD-A or PR113/PD-A trip unit
Fig. 4 = Shunt trip
Fig. 5 = Shunt trip circuit with control from the dialogue unit of the PR112/PD-A or PR113/PD-A trip unit
Fig. 6 = Instantaneous undervoltage release (see notes B and Q)
Fig. 7 = Undervoltage release with electronic time-delay device, outside the power circuit breaker (see notes B and Q)
Fig. 8 = Second shunt trip (see note Q)
Fig.11 = Contact for electrical signaling of springs charged.
Fig. 12 = Contact for electrical signaling of undervoltage release energized (see notes B, L and S)
Fig. 13 = Contact for bell alarm of power circuit breaker open due to trip of the trip unit. Power circuit breaker closing can only take place after the reset
pushbutton has been pressed.
Fig.21 = First pack of power circuit breaker auxiliary contacts
Fig. 22 = Second pack of power circuit breaker auxiliary contacts (not available with the PR112/P-A, PR112/PD-A, PR113/P-A and PR113/PDA trip
units).
Fig.23 = Third pack of additional power circuit breaker auxiliary contacts outside the power circuit breaker
Fig.31 = First pack of contacts for electrical signaling of power circuit breaker in racked-in, test or racked-out position
Fig.32 = Second pack of contacts for electrical signaling of power circuit breaker in racked-in, test or racked-out position
Fig.41 = Auxiliary circuits of the PR112/P-A trip unit (see note F)
Fig.42 = Auxiliary circuits of the PR112/PD-A trip unit (see note D, F and M)
Fig. 43 = Auxiliary circuits of the PR113/P-A trip unit (see note F)
Fig.44 = Auxiliary circuits of the PR113/PD-A trip unit (see notes F and M)
Fig.51 = Circuit of the current transformer on the neutral conductor outside the power circuit breaker, for draw out version power circuit breaker
Fig.52 = Circuit of the current transformer on the neutral conductor outside the power circuit breaker, for fixed version power circuit breaker
(see note C)
Fig.53 = Circuit valid in the case of three-pole power circuit breaker with PR113/P-A or PR113/PD-A trip unit without current transformer on the neutral
conductor outside the power circuit breaker (see note H)
Fig. 61 = SACE SOR TEST UNIT: control/monitoring unit (see note R)
Fig.62 = PR020/K signaling unit (only provided with PR112/P-A, PR112/PD-A, PR113/P-A or PR113/PD-A trip unit)
Incompatibility
The circuits shown in the following figures cannot be provided on the same power circuit breaker at the same time:
2 - 3
4 - 5
6 - 7 - 8
22 - 41 - 42 - 43 - 44
31 - 51
51 - 52 - 53
Содержание Sace Emax UL Listed
Страница 130: ...L2275 Emax 128 132 Doc N Mod Apparatus Scale Page N RH0109002 Signaling contacts Courtesy of NationalSwitchgear com ...
Страница 133: ...L2275 Emax 131 132 Doc N Mod Apparatus Scale Page N RH0109002 PR020 K signaling unit Courtesy of NationalSwitchgear com ...
Страница 134: ...L2275 Emax 132 132 Doc N Mod Apparatus Scale Page N RH0109002 Courtesy of NationalSwitchgear com ...
