RE7YA12BU TELEMECANIQUE, RE7YA12BU Datasheet - Page 22
![TIMER, STAR-DELTA](/photos/19/29/192905/42266532_sml.jpg)
RE7YA12BU
Manufacturer Part Number
RE7YA12BU
Description
TIMER, STAR-DELTA
Manufacturer
TELEMECANIQUE
Datasheet
1.RE7TL11BU.pdf
(22 pages)
Specifications of RE7YA12BU
Contact Configuration
DPCO
Nom Input Voltage
240V
Delay Time Range
0.05s To 300h
Relay Mounting
DIN Rail
Coil Voltage Vac Nom
250V
Contact Current Ac Max
8A
Contact Current Dc Max
8A
Characteristics :
pages 2/18 and 2/19
References :
pages 2/20 to 2/32
Dimensions :
page 2/34
Schemes :
pages 2/21 to 2/34
Schemes
Control of several relays with a single external control contact
It is advisable to follow the recommended wiring schemes detailed above and on previous pages. However, the connections below are possible if the restrictions
given are taken into account.
Connection of an external control contact without using terminal Z2:
- possible on all RE7 relays with external control option except RE7-RA11BU
- d.c. supply only
Connection of a Telemecanique 3-wire NPN or PNP sensor without using terminal Z2:
- only possible on relay RE7-iiiiBU
- d.c. supply only
+
–
48 V
+
–
24
or
A1, B1 or B2
A2
A1, B1 or B2
Y1 or X1
B1B2
A2
A2
Y1 or X1
Z2
Y1
Z2
Z2
A1, B1 or B2
BN
BK
BU
A2
Y1 or X1
NPN
Z2
Zelio Time - timing relays
Relay output, width 22.5 mm, universal
Schemes
A1, B1 or B2
A2
Y1 or X1
Z2
Connection of Telemecanique 3-wire NPN or PNP sensor
+
48 V
–
+
–
48 V
+
–
24
24
or
or
A1, B1 or B2
A2
A1, B1 or B2
Y1 or X1
B1B2
A2
A2
Z2
Y1
Z2
Y1
Z2
BN
BK
BU
BN
BK
BU
PNP
NPN
PNP
Te
2/35
2