Wago 788-305 Relay SPDT-CO 48Vdc IP20 788-305 Data Sheet

Product codes
788-305
Page of 1
1
64
Sockets with Miniature Switching Relay
Relay with 1 changeover contact
and status indication
(Relay height: 15 mm) 
Nominal input voltage V
N
 
12 V, 24 V, 48 V, 60 V, 110 V DC
Relay with 2 changeover contact
and status indication
(Relay height: 15 mm) 
Nominal input voltage V
N
 
12 V, 24 V, 48 V, 60 V, 110 V DC
Load limit curve for 788-303 to 788-307, 788-506, 
788-507 and 788-508
Note: Inductive loads have to be attenuated by an 
appropriate protective circuit in order to protect relay 
coils and contacts.
Description
V
N
I
N
Item No.
Pack. 
unit
V
N
I
N
Item No.
Pack. 
unit
Relay sockets with pluggable miniature switching 
relay, for DIN 35 rail
12 V DC
36 mA
788-303
1
12 V DC
36 mA
788-311
1
24 V DC
19.1 mA
788-304
1
24 V DC
19.1 mA
788-312
1
48 V DC
11 mA
788-305
1
48 V DC
11 mA
788-313
1
60 V DC
10.5 mA
788-306
1
60 V DC
10.5 mA
788-314
1
110 V DC
6 mA
788-307
1
110 V DC
6 mA
788-315
1
Technical Data
Accessories see pages 74 ... 77 + 80 ... 81
Accessories see pages 74 ... 77 + 80 ... 81
Contact material
AgNi 90/10
AgNi 90/10
Input voltage range
V
N
 ± 10 %
V
N
 ± 10 %
Max. switching voltage
250 V AC
250 V AC
Max. continuous current
16 A
2 x 8 A
Max. make current (resistive) at a 10 % duty cycle
4 s 30 A (AC) 
4 s 15 A (AC) 
Max. Switching power (resistive)
4 kVA AC, DC see load limit curve
2 x 2 kVA AC, DC see load limit curve
Max. switching rate with / without load
6 min
-1
 / 1200 min
-1
6 min
-1
 / 1200 min
-1
Operating power
400 mW typ.
400 mW typ.
Pull-in/drop-out/bounce time typ.
7 ms / 3 ms / 3 ms
7 ms / 2 ms / 3 ms
Nominal operating mode
continious duty
continious duty
Dielectric strength contact-coil
5 kV
5 kV
Dielectric strength open contact
1 kV
1 kV
Nominal voltage acc. to VDE 0110 Part 1/4.97, 
IEC 60664-1
250 V / 4 kV / 3
250 V / 4 kV / 3
Mechanical life
30 x 10
switching operations
30 x 10
switching operations
Degree of protection
IP20
IP20
Ambient operating temperature
-25 °C ... +50 °C
-25 °C ... +50 °C
Storage temperature
-40 °C ... +70 °C
-40 °C ... +70 °C
Dimensions (mm) W x H x L
15 x 54 x 86
15 x 54 x 86
Height from upper-edge of DIN 35 rail
Height from upper-edge of DIN 35 rail
Wire connection
CAGE CLAMP
®
S
CAGE  CLAMP
®
S
Cross sections
0.34 mm² ... 2.5 mm² / AWG 22 ... 12
0.34 mm² ... 2.5 mm² / AWG 22 ... 12
Stripped lengths
9 ... 10 mm / 0.37 in
9 ... 10 mm / 0.37 in
Approvals
DIN VDE 0140 part 1, DIN EN 61140; DIN VDE 0160, 
EN 50178; degree of protection II; UL 508
DIN VDE 0140 part 1, DIN EN 61140; DIN VDE 0160, 
EN 50178; degree of protection II; UL 508
300 
200 
100 
50 
40 
30 
20 
10 
0.1 0.2 
0.5  1 
5  10  20
Current (A)
resistive load
Voltage (V)