Data Sheet

Data sheet | Item number:787-870
www.wago.com/787-870
06.12.2018Page /2 8
Features:
Charger and controller for uninterruptible power supply (UPS)
Current and voltage monitoring, as well as parameter setting via LCD and RS-232 interface
Active signal outputs for function monitoring
Remote input for deactivating the buffered output
Input for temperature control of connected battery
Battery control (from manufacturing no. 215563 onwards) detects both battery life and battery type
Data
Technical Data
Input
Nominal input voltage U
i nom
24 VDC
Input voltage range 22 … 29 VDC
Nominal mains frequency range 0 Hz
Input current I
i
≤ 0.1 A (no load); ≤ 0.8 A (charging); ≤ 10.8 A
Inrush current ≤ 4 A (no load)
Output
Nominal output voltage U
o nom
24 VDC
Output voltage range U - 1VDC (at nominal operation); 20 … 25.5VDC (at buffer operation)
i
Nominal output current I
o nom
10 A
Current limitation 1.1 … 1.4 x I typ.
o nom
Energy storage
Buffer time 10 … 600 s (or continously; adjustable)
Switch-on threshold (adjustable) 20 … 25.5 VDC
Charging current ≤ 0.6A
End-of-charge voltage 26 … 29.5 VDC (temperature-controlled; optional fixed setting)
Recommended battery module 787-871, 787-872, 787-873, 787-876, 787-1671
Signaling and communication
Signaling 1 x LED DC OK (green)
1 x LED warning (yellow)
1 x LED error (red)
LCD
3 x signal output (24 VDC, max. 25 mA)
1 x potential-free relay contact (max. 30 VDC, 1 A)
1 x RS-232 interface
Battery Control (C+, C-)
Operation status indicator LED green (U )
o