WAGO 787-881 Power Supply Unit

2235996 MFG #: 787-881
$429.37 / EA
Usually Ships within 5-8 Days
  • Buffer time: 0.17 … 16.5 s (depends on load current and switch-on threshold)
  • Charging time (typ.): 5 min
  • Conformity marking: CE
  • Connection technology: CAGE CLAMP®
  • Connection technology 2: CAGE CLAMP®
  • Connection type (1): Input/output
  • Connection type 2: Relay
  • Country of origin: DE
  • Current limitation: 1.1 x Io nom (typ.)
  • Customs tariff number: 85049019000
  • Depth from upper edge of DIN-rail: 179 mm / 7.047 inch
  • Fine-stranded conductor: 0.5 … 10 mm² / 20 … 8 AWG
  • Fine-stranded conductor 2: 0.08 … 2.5 mm² / 28 … 12 AWG
  • Fire load: 0.000 MJ
  • GTIN: 4045454909826
  • Height: 181 mm / 7.126 inch
  • Input current Ii: ≤ 0.06 A (No load); ≤ 1 A (Charging); ≤ 22 A
  • Input voltage range: DC 20 … 30 V
  • Isolation voltage (connectors – housing): DC 0.5 kV
  • Mounting type: DIN-35 rail
  • MTBF: Typ. 87,600 h (at 25 °C); typ. 30,500 h (at 40 °C)
  • Nominal input voltage Ui nom: DC 24 V
  • Nominal mains frequency range: 0 Hz
  • Nominal output current Io nom: 20 A
  • Nominal output voltage Uo nom: DC 24 V
  • Note (dimensions): Height with connector
  • Operation status indicator: Green LED (Uo > 20 V) || Yellow LED (charging) || Red LED (Uo < 20 V)
  • Output voltage range: Ui – 1 VDC (rated operation); 20.4 … 24 VDC (buffer mode)
  • Packaging type: BOX
  • Parallel operation: Yes
  • Pollution degree: 2
  • Power loss Pl: ≤ 1.5 W (No load); ≤ 15 W (Nominal load)
  • Protection class: III
  • Protection type: IP20 (per EN 60529)
  • Relative humidity: 5 … 96 % (no condensation permissible)
  • Resistance to reverse feed: ≤ DC 35 V
  • Reverse voltage protection: Yes
  • Series operation: No
  • Signaling: 1 x LED DC OK (green) || 1 x Charge LED (yellow) || 1 x DC not OK LED (red) || 1 x Isolated relay contact (max. 30 VDC; 1 A)
  • Solid conductor: 0.5 … 10 mm² / 20 … 8 AWG
  • Solid conductor 2: 0.08 … 2.5 mm² / 28 … 12 AWG
  • Standards/Specifications: EN 60950; UL 508; EN 61000-6-2; EN 61000-6-3
  • Strip length: 13 … 15 mm / 0.51 … 0.59 inch
  • Strip length 2: 8 … 9 mm / 0.31 … 0.35 inch
  • Surrounding air temperature (operation): -10 … 50 °C
  • Surrounding air temperature (storage): -10 … 60 °C
  • Switch-on threshold (adjustable): DC 20 … 24 V
  • WAGO Connector: WAGO 231 Series
  • WAGO Connector 2: WAGO 231 Series
  • Weight: 1000.000 g
  • Width: 57 mm / 2.244 inch

Capacitve buffer module; 24 VDC; 20 A