3UG4622-1AW30 Datasheet, PDF (62/114 Pages) List of Unclassifed Manufacturers – Monitoring and Control Devices

3RP, 7PV Timing Relays
3RT19 timing relays for mounting to contactors
■ Schematics
3RT19 circuit diagrams
Control circuits (example circuits)
with delayed 3RT19 .6-2G wye-delta auxiliary switch block
For pushbutton operation
Size S00
L1(L+) AC 50Hz (DC) ...V
F0
95
F1
96
S0
Sizes S0 to S3
L1(L+) ^{AC 50Hz ...V}
F0
95
F1
96
S0
S1
K4
N(L )
13
K1
14
27
37
K4
28
38
22
22
K3 K2
21
21
K1 K2 K3
NSB00946a
S1
K4
N(L )
(.3)
K1
(.4)
27
K4
28
(.2)
K3
(.1)
K2
(.3) (.3)
38 K1 K2
(.4) (.4)
37
(.2)
K2
(.1)
K3
K1
NSB00947
For maintained-contact operation
Size S00
L1(L+) ^{AC 50Hz (DC) ...V}
F0
F1
95
96
Sizes S0 to S3
L1(L+) ^{AC 50Hz ...V}
F0
95
F1
96
S
13
K1
14
27
37
K4
28
38
22
22
K3 K2
21
21
K4
K1 K2 K3
S
27
K4
(.3) (.3) 13
38 K1 K2 K3
(.4) (.4) 14
28
37
(.2)
(.2)
K3
K2
(.1)
(.1)
K4
K2
K3
K1
N(L )
NSB00948a
N(L )
NSB0_00949a
The 27/28 contact element for the solid-state time-delay auxiliary switch block with wye-delta function is
only closed on the delta level; the contact element is open in the delta stage as well as in the de-energized
state.
Solid-state timing relay blocks
for size S00 to S3 3RT10 contactors and 3RH11 contactor relays
3RT19 16-2C...
L1/L+
3RT19 26-2C...
L1/L+
A1
1
A1 A2
2
A1 A2
N/L
ON-delay
A1 A2
1
A1 A2
2
A1 A2
N/L
ON-delay
3RT19 16-2D.../3RT19 26-2D...
L1/L+
S1
A1 B1 A2
1
A1 A2
2
A1 A2
N/L
OFF-delay
(with auxiliary voltage)
Legend:
S0 "OFF" button
S1 "ON" button
S Maintained-contact switch
K1 Line contactor
K2 Star contactor
K3 Delta contactor
K4 Timer or timing relay
F0 Fuse
F1 Overload relay
$ Timing relay block
% Contactor
--- Can be connected
✖ Do not connect!
7/62
Siemens LV 1 T · 2006