Product Model

787-2742

In Stock
Last updated: 2025/4/17
wago 787-2742

Selling Points

  • 1Efficient Power Supply: The WAGO 787-2742 offers a high efficiency of 0.92, minimizing power losses.
  • 2Durable Design: With an MTBF of over 1,800,000 hours, this PSU ensures long-lasting operation.
  • 3Versatile Connectivity: Features push-in CAGE CLAMP technology for easy and secure connections.
  • 4Compact Design: Measures 130mm x 80mm x 170mm, ideal for DIN rail mounting in control cabinets.
  • 5Advanced Protection: Includes overvoltage category II and transient suppression via varistor for enhanced safety.
Product Details
787-2742
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
2 devices (max.)
MTBF
> 1,800,000 h (per IEC 61709)
Connection type 1
Input/Output
Connection technology
Push-in CAGE CLAMP?
WAGO connector
WAGO 2606 Series
Solid conductor
0.5 … 6?mm2?/ 20 … 10?AWG
Fine-stranded conductor
0.5 … 6?mm2?/ 20 … 10?AWG
Strip length
11 … 13?mm?/ 0.43 … 0.51?inches
Connection type 2
Signaling
Connection technology 2
Push-in CAGE CLAMP?
WAGO connector 2
picoMAX?3.5 (WAGO 2091 Series)
Solid conductor 2
0.2 … 1.5?mm2?/ 24 … 14?AWG
Fine-stranded conductor 2
0.2 … 1.5?mm2?/ 24 … 14?AWG
Strip length 2
8 … 9?mm?/ 0.31 … 0.35?inches
Width
80?mm?/ 3.15?inches
Height
130?mm?/ 5.118?inches
Depth from upper-edge of DIN-rail
170?mm?/ 6.693?inches
Mounting type
DIN-35 rail
Fire load
0.197MJ
Weight
1710g
Ambient temperature (operation)
-20 … +70 °C
Ambient temperature (storage)
-40 … +85 °C
Relative humidity
10 … 95?% (no condensation permissible)
Derating
?2 %/K (> 45 °C)
Climatic category
3K3 (per EN 60721)
Resistance to shock and vibration
Shock: 15g (per EN 60068-2-27)
Conformity marking
1; EAC
Standards/specifications
EN 61204-3
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
CN
GTIN
4055143588973
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?325 … 575?V;?DC?560 … 700?V
Nominal mains frequency range
47 … 63 Hz;0 Hz
Input current I<sub>i</sub>
≤?3 x 1.2?A (400?VAC)
Inrush current
≤?30?A (400?VAC)
Power factor
≥?0.7? (400?VAC)
Power factor correction (PFC)
Passive
Mains failure hold-up time
≥?10?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
≤?150?mV (peak-to-peak)
Overload behavior
Constant power (in overload range: 1.05 … 1.4 x Io nom); Shutdown and automatic restart in the event of a short circuit
Signaling
1 x LED DC OK (green)
Operation status indicator
Green LED (Uo)
Power loss P<sub>l</sub>
≤?2.15?W (400 VAC; no load);?≤?42.5?W (400 VAC; Nominal load)
Efficiency (typ.)
92?%
Internal fuse
3 x T 3.15 A / 500?VAC
Backup fusing (required)
An external DC fuse is required for the DC input voltage.
Backup fusing (recommended)
3 x circuit breaker ≥ 10 A; Tripping characteristic: B or C

Specifications may be subject to change without notice