857-303 WAGO, 857-303 Datasheet - Page 7

• Manufacturer Part Number: 857-303
• Description: POWER RELAY, 1CO, 12VDC, 5A, DIN RAIL
• Manufacturer: WAGO

Specifications of 857-303

• Relay Type: Miniature
• Coil Voltage Vdc Nom: 12V
• Contact Current Max: 6A
• Contact Voltage Ac Nom: 250V
• Contact Configuration: SPCO
• Coil Type: DC
• Coil Current: 17mA
• Nom Operating Power: 700mW
• Rohs Compliant: Yes

figurable
t)
10V,
OUT+
GND 2
Us+
GND 3
IN
)
± 5V, 0 (1) … 5V, ± 10V, 0 (2) … 10V
± 5V, 0 (1) … 5V, ± 10V, 0 (2) … 10V
± 10mA, 0 (2) … 10mA, ± 20mA,
± 10mA, 0 (2) … 10mA, ± 20mA,
Item no.
Configuration
Input signal
(switchable in a calibrated way)
Output signal
(switchable in a calibrated way)
Load impedance
Max. operating frequency
Supply voltage U
(switchable via DIP switch)
U+
U–
I+
I–
Isolation Amplifier
≤ 600 Ω (I-output)
≥ 2 kΩ (U-output)
100Hz / > 5kHz
1
2
3
4
JUMPFLEX
0 (4) … 20mA
0 (4) … 20mA
DIP switch
U; I
857-409
IN
Bipolar
24VDC
POWER
OUT
U; I
N
5
6
7
8
OUT+
OUT-
Us+
GND
®
– 8-channel adapter for signal conditioners
100Hz Signal / > 2.5kHz HART
U
Sensor
N.C.
N.C.
GND 1
GND 3
Repeater Power Supply
0 (4) … 20mA (857-411)
0 (4) … 20mA (857-411)
IN
Fixed (Current/Voltage)
0 (2) … 10V (857-412)
0 (2) … 10V (857-412)
+
IN+
Us+
857-411 / 857-412
Isolation Amplifier
600 Ω (857-411)
1
2
3
4
2 kΩ (857-412)
4 … 20mA
4 … 20mA
1
2
3
4
857-421
24VDC
600 Ω
HART
IN
100Hz
24VDC
–
IN
POWER
–
OUT
POWER
OUT
5
6
7
8
OUT +
GND 2
Us+
GND 3
5
6
7
8
OUT+
GND 2
Us+
GND 3
Signal Splitter with 2 Configurable
OUT 2+
GND 1
GND 4
GND 1
(switchable via DIP switch)
IN+
0 (1) … 5V, 0 (2) … 10V,
N.C.
N.C.
IN+
2 x 0 (4) … 20mA
100Hz / > 1kHz
Current Outputs
1
2
3
4
0 (4) … 20mA
Passive Isolator
1
2
3
4
OUT 2
0 (4) … 20mA
0 (4) … 20mA
2 x 300 Ω
DIP switch
857-423
1-Channel
24VDC
IN
857-451
600 Ω
100Hz
IN
–
–
OUT 1
POWER
OUT
5
6
7
8
5
6
7
8
OUT 1+
GND 2
Us+
GND 3
OUT+
GND 2
N.C.
N.C.
GND 1
GND 3
0mV ... 200mV to 0mV ... 1000mV
N.C.
N.C.
IN 1+
IN 2+
IN–
IN+
0 (1) … 5V, 0 (2) … 10V,
configuration software
Item no.
Connection type, signal level
Accessories
Signal Conditioner
≤ 600 Ω (I-output)
≥ 2 kΩ (U-output)
1
2
3
4
-100mV ... +100mV,
0 (2) … 10mA
1
2
3
4
Passive Isolator
(in steps of 100)
DIP switch or
0 (4) … 20mA
0 (4) … 20mA
857-819
Millivolt
IN
mV
2-Channel
24VDC
IN 1
IN 2
857-452
600 Ω
100Hz
–
–
–
OUT
U,I
POWER
OUT 1
OUT 2
5
6
7
8
5
6
7
8
OUT+
GND 1
Us+
GND 2
OUT 1+
GND 2
OUT 2+
GND 4
1 changeover contact (relay max. 6A)
0 … +30V (31.2V U
U
Configurable (Current/Voltage)
GND 1
GND 1
-10 … +10V, -20 … +20mA,
Sensor
DO
12
11
14
WAGO ribbon cable on request
857-980 (analog output)
1 digital switching output
0 (1) … 5V, 0 (2) … 10V,
Repeater Power Supply,
configuration software
IN
+
DIP switch, teach-in,
Limit Value Switch
8-Channel Adapter
16-pin ribbon cable
for System Wiring
1
2
3
4
≤ 600 Ω (I-output)
≥ 2 kΩ (U-output)
1
2
3
4
0 (4) … 20mA,
100Hz / 1kHz
0 (4) … 20mA
DO
857-531
24VDC
DIP switch
857-420
24VDC
IN
–
–
POWER
OUT
POWER
IN
U,I
IN
;100mA I
5
6
7
8
5
6
7
8
IN+
GND 1
Us+
GND 2
OUT+
GND 2
Us+
GND 3
IN
)