788-304 WAGO, 788-304 Datasheet
788-304
Manufacturer Part Number
788-304
Description
DIN Mount Relay
Manufacturer
WAGO
Datasheet
1.788-304.pdf
(2 pages)
Specifications of 788-304
Relay Type
General Purpose
Coil Voltage Vdc Nom
24V
Contact Current Max
16A
Contact Voltage Ac Nom
250V
Contact Configuration
SPDT
Coil Type
DC
Coil Current
19mA
Nom Operating Power
400mW
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Relay Socket with Small Switching Relay
Socket with relay (1 changeover contact) and status indication
WAGO Kontakttechnik GmbH & Co. KG
Subject to design changes
16.11.2009 / dj30400e.doc
Description
•
•
•
•
•
•
DC-Load limiting value graph
Note: Inductive loads have to be attenuated by
Socket with relay, DC 24 V, 1 changeover contact
300
200
100
Relay socket for DIN 35 carrier rails.
Status indication through pluggable LED module (red).
Insulated, pluggable jumper system suitable for both coil
and load side.
CAGE CLAMP
Solid wires, fine-stranded wires with crimped ferrules or
ultrasonically bonded wire ends can be inserted directly.
Quick exchange of the relay and the status indication
during maintenance, without having to detach the wiring.
Safe electrical isolation in accordance with DIN VDE 0140
Part 1.
50
40
30
20
10
0,1 0,2
an appropriate protective circuit in order to
protect relay coils and contacts !
0,5
®
1
S connection.
2
resistive load
5
Current (A)
10
Postfach 2880 • D-32385 Minden
Hansastr. 27 • D-32423 Minden
20
Technical Data
Contact material
Input nominal voltage U
Input voltage range
Current input at U
Max. switching voltage
Max. making current (resistive)
at 10 % continuous duty
Max. continuous current
Max. switching power
(resistive)
(resistive)
Max. number of switching
operations with/without load
Operating power
Pull-in/dropout/bounce time
Operation at normal rating
Dielectric strength
contact/coil
open contact
Nominal voltage acc. to
VDE 0110 Part1 / 4.97
IEC 60664-1
Mechanical life
Degree of protection
Relay type
Ambient operating temperature -25 °C ... +50 °C
Storage temperature
Dimensions (WxHxD)
The terminals 11-11, 12-12 and 14-14 are bridged only when the
Relay is inserted into the socket.
Tel.:
Fax.:
A1
A2
-
+
05 71 / 8 87-0
05 71 / 8 87-169 Web:
N
(20 °C)
N
typ.
Item-No.
788-304
AgNi 90/10
DC 24 V
U
19 mA
AC 250 V
4 s (AC) 30 A
16 A
AC 4000 VA
DC see load limiting value graph
6 min
400 mW
7 ms / 3 ms / 3 ms
100 % continuous duty
5 kV
1 kV
250 V / 4 kV / 3
30 x 10
IP 20
RT 1
-40 °C ... +70 °C
(15x53**x86) mm / (0.59x2.09x3.39) in
** from upper edge of DIN 35 rail
E-Mail:
N
± 10 %
-1
/ 1200 min
6
typ.
switching operations
info@wago.com
http://www.wago.com
-1
Pack.-unit
pcs
14 *
11
12
D a t a s h e e t
1
1/2
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788-304 Summary of contents
Page 1
... Mechanical life Degree of protection Relay type Ambient operating temperature -25 °C ... +50 °C Storage temperature Dimensions (WxHxD) 20 The terminals 11-11, 12-12 and 14-14 are bridged only when the Relay is inserted into the socket Item-No. 788-304 AgNi 90/ ± (20 ° 250 (AC 4000 VA DC see load limiting value graph ...
Page 2
... Standards / prescriptions DIN VDE 0140 Part1, DIN EN 61140 DIN VDE 0160, EN 50178 Class of protection II Approvals UL508 / CSA22.2 E175199 Only use replacement relay 788-154 for UL applications (see accessories) Accessories: Comb type jumper bar 18 A, 2-way 788-113 18 A, 3-way 788-114 18 A, 4-way 788-115 ...