Product Model

787-842

In Stock
Last updated: 2025/4/17
wago 787-842

Selling Points

  • 1High Efficiency: 92.9% efficiency ensures minimal power loss.
  • 2Versatile Operation: Suitable for both parallel and series operation.
  • 3Advanced Protection: Includes PowerBoost, TopBoost, and short-circuit protection.
  • 4Easy Installation: Mounts on 35 mm DIN Rail with CAGE CLAMP technology.
  • 5Long MTBF: Over 500,000 hours of mean time between failures (per IEC 61709).
Product Details
787-842
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
77?mm?/ 3.031?inches
Height
171?mm?/ 6.732?inches
Depth from upper-edge of DIN-rail
179?mm?/ 7.047?inches
Note (dimensions)
Height with connector
Mounting type
DIN-35 rail
Weight
1300g
Ambient temperature (operation)
-25 … +70 °C (Device starts at ?40 °C (type-tested))
Ambient temperature (storage)
-25 … +85 °C
Relative humidity
5 … 96?% (no condensation permissible)
Derating
?3 %/K (> 50 °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
4045454909932
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 1.1?A (340 VAC; 20 ADC)
Inrush current
≤?30?A
Power factor correction (PFC)
Passive
Mains failure hold-up time
≥?13?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>
20?A (24?VDC)
Nominal output power
480W
Deviation
≤?1?%
Residual ripple
≤?70?mV (peak-to-peak)
Current limitation
1.1 x Io nom(typ.)
Overload behavior
TopBoost/PowerBoost/Constant current mode
PowerBoost
DC?40?A (4?s);?DC?30?A (16?s)
TopBoost
DC?80?A (50?ms)
Signaling
1 x LED DC OK (green)
Operation status indicator
Green LED (DC OK)
Power loss P<sub>l</sub>
≤?8.3?W;?≤?34.1?W (nominal load)
Efficiency (typ.)
92.9?%
Internal fuse
3 x T 2.5 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