WAGO 787-854

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SKU:
787-854
MPN:
787-854
Condition:
New
communication:
RS-232 serial interface
conformity marking:
CE
connection technology:
CAGE CLAMP
connection technology 2:
Push-in CAGE CLAMP
connection technology 3:
CAGE CLAMP
connection type 1:
Input
connection type 2:
Output
connection type 3:
Signaling
control deviation:
¤ 1 %
country of origin sales organisation germany:
DE
current limitation:
1.1 x Io nom (typ.)
default setting:
DC 24 V
depth from upper edge of din rail:
205 mm / 8.071 inch
derating:
-5 %/K (> 45 C)
discharge current:
¤ 1 mA
efficiency typ:
0.936
fine stranded conductor:
0.08 2.5 mm / 28 12 AWG
fine stranded conductor 2:
0.5 10 mm / 20 8 AWG
fine stranded conductor 3:
0.08 0.5 mm / 28 20 AWG
fire load:
0.000 MJ
height:
171 mm / 6.732 inch
input current ii:
¤ 3 x 2 A (340 VAC)
input voltage range:
(2 / 3) x AC 340 550 V: DC 480 780 V
inrush current:
¤ 30 A
internal fuse:
3 x T 3.2 A / 440 VAC
isolation voltage pri gnd:
DC 2.2 kV
isolation voltage pri sec:
DC 4.242 kV
isolation voltage sec gnd:
DC 0.7 kV
mains failure hold up time:
15 ms (3 x 400 VAC)
mounting type:
DIN-35 rail
mtbf:
> 500,000 h (per IEC 61709)
nominal input voltage ui nom:
(2 / 3) x AC 400 500 V
nominal mains frequency range:
50 60 Hz: 0 Hz
nominal output current io nom:
40 A (24 VDC)
nominal output power:
960 W
nominal output voltage uo nom:
DC 24 V (SELV)
note dimensions:
Height with connector
open circuit proof:
Yes
operation status indicator:
Green LED (DC OK) || Yellow LED (warning) || Red LED (error)
output voltage range:
DC 22.8 28.8 V (adjustable)
overload behavior:
Adjustable (constant current/fuse mode)
overvoltage category:
II
packaging type:
Box
parallel operation:
Yes
phases:
2 || 3
pollution degree:
2
power factor correction pfc:
Passive (adjustable via software/display)
power loss pl:
¤ 7 W (No load): ¤ 61.5 W (Nominal load)
powerboost:
DC 60 A (4 s): DC 50 A (16 s)
protection class:
I
protection type:
IP20 (per EN 60529)
recommended backup fusing:
3 x circuit breaker: 6 A, 10 A, 16 A: Tripping characteristic: B or C || Alternative: motor circuit breaker: Setpoint: 3.2 A: Setting range: 2.5 4 A
relative humidity:
5 96 % (no condensation permissible)
required backup fusing:
An external DC fuse is required for the DC input voltage.
residual ripple:
¤ 70 mV (Peak-to-peak)
resistance to reverse feed:
¤ DC 35 V
series operation:
Yes
short circuit protected:
Yes
signaling:
1 x LED DC OK (green) || 1 x Warning LED (yellow) || 1 x Error LED (red) || LCD || 4 x Signal output (24 VDC: max. 25 mA) || 1 x RS-232 interface
solid conductor:
0.08 2.5 mm / 28 12 AWG
solid conductor 2:
0.5 10 mm / 20 8 AWG
solid conductor 3:
0.08 0.5 mm / 28 20 AWG
standards specifications:
EN 61010-1 || EN 61010-2-201 || EN 61204-3 || EN 61558-2-16 || UL 60950 || UL 508
strip length:
8 9 mm / 0.31 0.35 inch
strip length 2:
13 15 mm / 0.51 0.59 inch
strip length 3:
5 6 mm / 0.2 0.24 inch
surrounding air temperature operation:
-25 55 C (Device starts at 40 C (type-tested))
surrounding air temperature storage:
-25 85 C
topboost:
DC 100 A (50 ms)
transient suppression primary:
Varistor
wago connector:
WAGO 231 Series
wago connector 2:
WAGO 831 Series
wago connector 3:
WAGO 733 Series
weight:
2300.000 g
width:
128 mm / 5.039 inch
  • Wago 787-854
  • Wago 787-854
  • Wago 787-854
$1,121.00

Description

Description Primary switch mode PRO Power supplies; Output voltage DC 24 V; 40 A; adjustable output voltage; LED status indication; PowerBoost; LineMonitor 
Remarks Item description:
  • Switched-mode power supply with PowerBoost and TopBoost
  • LineMonitor for parameter setting and monitoring
  • RS-232 serial interface
  • Four signal outputs
  • Suitable for both parallel and series operation
  • Natural convection cooling when horizontally mounted
  • Enclosed for use in control cabinets
  • Electrically isolated output voltage (SELV) per EN 60950-1/UL 60950



External fuse: 3 x circuit breakers 6 A, 10 A, 16 A, characteristic: B or C; or motor circuit breakers, setpoint: 3.2 A, setting range: 2.5 ... 4.0 A; An external DC fuse is required for the DC input voltage

 
 
Item properties

Miscellaneous

Name Value Unit
Communication  RS-232 serial interface   
Switching capacity  30 A   
Overvoltage protection  via varistor at primary circuit   
Power loss PV  7.0 W (stand-by) / 61.5 W (rated load)   
Protection class   
Factory preset  24 VDC   
Overload behavior  adjustable (constant current / fuse mode)   
Degree of pollution (5)  2 (per EN 50178)   
Signaling  LED, LCD, 4 x signal output 24 V DC, 25 mA   
MTBF  > 500000 h (per IEC 61709)   
Input voltage range  340 ... 550 VAC; 480 ... 780 VDC   
Output voltage range  22.8 28.8 VDC variable   
Nominal input voltage Vi nom  3 x (2 x) 400 ... 500 VAC   
Input current Ii  3 x 2.0 A at 340 VAC   
Note Discharge current  1 mA typ.   
Mains failure hold-up time  15 ms typ. at 3 x 400 VAC   
Internal fuse  3 x T 3.2 A / 440 V   
Nominal output voltage Vo nom  24 VDC, SELV   
Output current Io  40 A at 24 VDC   
PowerBoost  60 ADC (for 4 s); 50 ADC (for 16 s)   
TopBoost  100 ADC (for 50 ms)   
Residual ripple  < 70 mV (peak-to-peak)   
Derating  -5 % / K (> +45 )   
Adjustment accuracy [%]  < 1 
Current limitation  1.1 x Io typ.   
Parallel operation  yes   
Feedback voltage  max. 35 VDC   
Efficiency  93.6 % typ.   
Test voltage pri. - gr. [kV]  2.2 kV (DC)  kV 
Test voltage PRI SEC [kV]  4.2 kV (DC)  kV 
Test voltage sec. - gr. [kV]  0.7 kV (DC)  kV 
Degree of protection  IP20 per EN 60529   
Operational indication  Green LED (DC OK), yellow LED (warning), red LED (error)   
LineMonitor, parameter setting  via LCD and RS-232 serial interface   
Short circuit protection  yes   
Overvoltage category  II   
No-load proof  Yes   
Connection technology  CAGE CLAMP    
Solid conductor  0.08 2.5 mm / 28 12 AWG   
Strip length  8 9 mm / 0.31 0.35 Inch   
Connection technology 2  CAGE CLAMP    
Solid conductor 2  0.5 10 mm / 20 8 AWG   
Strip length 2  13 15 mm / 0.51 0.59 Inch   
Connection technology 3  CAGE CLAMP    
Solid conductor 3  0.08 0.5 mm / 28 20 AWG   
Strip length 3  5 ... 6 mm / 0.2 ... 0.24 Inch   
Weight [g]  2300 
Width  128 mm / 5.039 Inch   
Height  171 mm / 6.732 Inch   
Depth  205 mm / 8.071 Inch   
Storage temperature  -25 +85    
Type of mounting  DIN-35 x 15 carrier rail   
Ambient operating temperature  -25 +55 ; Device start at -40 type-tested   
Mounting type  Tragschienenmontage (EN 60715) in 2 Lagen   
Climatic category  3K3 (per EN 60721)   
Relative humidity  5 96 % (no condensation permissible)   

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