Product Model

787-854

In Stock
Last updated: 2025/4/18
wago 787-854

Selling Points

  • 1High-performance 3-phase power supply with 40A output current.
  • 2Adjustable output voltage range from 22.8 to 28.8 VDC.
  • 3Equipped with PowerBoost and TopBoost for enhanced power delivery.
  • 4Suitable for both parallel and series operation.
  • 5Includes RS-232 serial interface and four signal outputs for advanced monitoring and control.
Product Details
787-854
wago

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Isolation voltage (sec.-PE)
DC 0.7?kV
Protection class
I
Protection type
IP20; per EN 60529
Overvoltage category
II
Pollution degree
2
Transient suppression (primary)
Varistor
Short-circuit-protected
Yes
Open-circuit-proof
Yes
Parallel operation
Yes
Series operation
Yes
MTBF
> 500,000 h (per IEC 61709)
Connection type 1
Input
Connection technology
CAGE CLAMP?
WAGO connector
WAGO 231 Series
Solid conductor
0.08 … 2.5?mm2?/ 28 … 12?AWG
Fine-stranded conductor
0.08 … 2.5?mm2?/ 28 … 12?AWG
Strip length
8 … 9?mm?/ 0.31 … 0.35?inches
Connection type 2
Output
Connection technology 2
Push-in CAGE CLAMP?
WAGO connector 2
WAGO 831 Series
Solid conductor 2
0.5 … 10?mm2?/ 20 … 8?AWG
Fine-stranded conductor 2
0.5 … 10?mm2?/ 20 … 8?AWG
Strip length 2
13 … 15?mm?/ 0.51 … 0.59?inches
Connection type 3
Signaling
Connection technology 3
CAGE CLAMP?
WAGO connector 3
WAGO 733 Series
Solid conductor 3
0.08 … 0.5?mm2?/ 28 … 20?AWG
Fine-stranded conductor 3
0.08 … 0.5?mm2?/ 28 … 20?AWG
Strip length 3
5 … 6?mm?/ 0.2 … 0.24?inches
Width
128?mm?/ 5.039?inches
Height
171?mm?/ 6.732?inches
Depth from upper-edge of DIN-rail
205?mm?/ 8.071?inches
Note (dimensions)
Height with connector
Mounting type
DIN-35 rail
Weight
2300g
Ambient temperature (operation)
-25 … +55 °C (Device starts at ?40 °C (type-tested))
Ambient temperature (storage)
-25 … +85 °C
Relative humidity
5 … 96?% (no condensation permissible)
Derating
?5 %/K (> 45 °C)
Climatic category
3K3 (per EN 60721)
Conformity marking
CE
Standards/specifications
EN 61010-1
Product Group
6 (INTERFACE ELECTRONIC)
eCl@ss 10.0
27-04-07-01
eCl@ss 9.0
27-04-07-01
ETIM 9.0
EC002540
ETIM 8.0
EC002540
ECCN
NO US CLASSIFICATION
PU (SPU)
1?pcs
Packaging type
box
Country of origin
DE
GTIN
4045454909895
Customs tariff number
8504409510
RoHS Compliance Status
Compliant,No Exemption
Phases
2?/?3
Nominal input voltage [V]
(2?/ 3) x AC?400 … 500?V
Input voltage range
(2?/ 3) x AC?340 … 550?V;?DC?480 … 780?V
Nominal mains frequency range
50 … 60 Hz;0 Hz
Input current I<sub>i</sub>
≤?3 x 2?A (340?VAC)
Inrush current
≤?30?A
Power factor correction (PFC)
Passive (adjustable via software/display)
Mains failure hold-up time
≥?15?ms (3 x 400 VAC)
Nominal output voltage [V]
DC?24?V (SELV)
Output voltage range
DC?24?V
Default setting
DC?24?V
Nominal output current I<sub>o nom</sub>
40?A (24?VDC)
Nominal output power
960W
Deviation
≤?1?%
Residual ripple
≤?70?mV (peak-to-peak)
Current limitation
1.1 x Io nom(typ.)
Overload behavior
Adjustable (constant current/fuse mode)
PowerBoost
DC?60?A (4?s);?DC?50?A (16?s)
TopBoost
DC?100?A (50?ms)
Signaling
1 x LED DC OK (green)
Operation status indicator
Green LED (DC OK)
Communications
RS-232 serial interface
Power loss P<sub>l</sub>
≤?7?W;?≤?61.5?W (nominal load)
Efficiency (typ.)
93.6?%
Internal fuse
3 x T 3.2 A / 440?VAC
Backup fusing (required)
An external DC fuse is required for the DC input voltage.
Backup fusing (recommended)
3 x circuit breaker: 6 A, 10 A, 16 A; Tripping characteristic: B or C

Specifications may be subject to change without notice