Data Sheet

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
6
switching operations 30 x 10
6
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
®
SCAGE 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 2 5 10 20
Current (A)
resistive load
Voltage (V)