Item no. 787-875

UPS charger and controller; 24 VDC input voltage; 24 VDC output voltage; 20 A output current; LineMonitor; communication capability; 10,00 mm²

Stock item

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 buffered output deactivation
  • Input for temperature control of connected battery
  • Battery control (from manufacturing no. 215563) detects both battery life and battery type

Product details

Details
Technical Data
Input
Nominal input voltage Ui nom DC 24 V
Input voltage range DC 22 … 29 V
Nominal mains frequency range 0 Hz
Input current Ii ≤ 0.1 A (No load); ≤ 1.5 A (Charging); ≤ 21.5 A
Inrush current ≤ 4 A (no load)
Output
Nominal output voltage Uo nom DC 24 V
Output voltage range Ui – 1 VDC (rated operation); 20 … 25.5 VDC (buffer mode)
Nominal output current Io nom 20 A
Current limitation 1.1 … 1.3 x Io nom (typ.)
Energy storage system
Buffer time 10 s … 10 min (or constant; adjustable)
Switch-on threshold (adjustable) DC 20 … 25.5 V
Charging current ≤ 1 A
End-of-charge voltage DC 26 … 29.5 V (temperature-controlled; optional fixed setting)
Recommended battery module 787-871, 787-872, 787-873
Signaling and communication
Signaling 1 x LED DC OK (green)
1 x Warning LED (yellow)
1 x Error LED (red)
LCD
3 x Signal output (24 VDC; max. 25 mA)
1 x Isolated relay contact (max. 30 VDC; 1 A)
1 x RS-232 interface
Battery control (C+; C-)
Operation status indicator Green LED (Uo)
Yellow LED (warning)
Red LED (error)
Communication RS-232 serial interface
Remote input Switching buffer mode off
Efficiency/power losses
Power loss Pl ≤ 15 W (no load); ≤ 30 W (nominal load)
Efficiency (typ.) 95 %
Circuit protection
Internal fuse T 25 A
Safety and protection
Isolation voltage (connectors – housing) DC 0.5 kV
Protection class III
Protection type IP20 (per EN 60529)
Reverse voltage protection yes
Resistance to reverse feed ≤ DC 35 V
Parallel operation Yes, max. 3 battery modules for buffer time extension (temperature measurement evaluation is only possible via one battery module)
Series operation No
MTBF > 500,000 h (per IEC 61709)
Connection data
Connection type (1) Input/Output
Connection technology Push-in CAGE CLAMP®
WAGO Connector WAGO 831 Series
Solid conductor 0.5 … 10 mm² / 20 … 8 AWG
Fine-stranded conductor 0.5 … 10 mm² / 20 … 8 AWG
Strip length 13 … 15 mm / 0.51 … 0.59 inch
Connection type 2 Signaling
Connection technology 2 CAGE CLAMP®
WAGO Connector 2 WAGO 733 Series
Solid conductor 2 0.08 … 0.5 mm² / 28 … 20 AWG
Fine-stranded conductor 2 0.08 … 0.5 mm² / 28 … 20 AWG
Strip length 2 5 … 6 mm / 0.2 … 0.24 inch
Line length (max.) 3 m (Input, Output, Battery Control)
Physical data
Width 57 mm / 2.244 inch
Height 171 mm / 6.732 inch
Depth from upper edge of DIN-rail 163 mm / 6.417 inch
Note (dimensions) Height with connector
Mechanical data
Mounting type DIN-35 rail
Material Data
Weight 1200 g
Environmental Requirements
Surrounding air temperature (operation) -10 … 60 °C
Surrounding air temperature (storage) -25 … 85 °C
Relative humidity 5 … 96 % (no condensation permissible)
Pollution degree 2
Standards and specifications
Conformity marking CE
Standards/Specifications EN 60950; UL 60950; UL 508; EN 61000-6-2; EN 61000-6-3
Commercial data
Product Group 6 (Interface Electronics)
Packaging type BOX
Country of origin DE
GTIN 4045454993917
Customs tariff number 85044055900
Approvals / Certificates
UL-Approvals
Approval
Additional Approval Text
Certificate name
Language
Approval: UL
Underwriters Laboratories Inc.
Additional Approval Text UL 508
Certificate name: E255817
Approval: UL
Underwriters Laboratories Inc.
Additional Approval Text UL 60950-1
Certificate name: E255815
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