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

Approvals

• Underwriters Laboratories Inc., UL, E255815, UL 60950-1
• Underwriters Laboratories Inc., UL, E255817, UL 508

Specifications

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
• Pollution degree: 2
• 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

• Fire load: 0.497 MJ
• Weight: 1200.000 g

Environmental Requirements

• Surrounding air temperature (operation): -10 … 60 °C
• Surrounding air temperature (storage): -25 … 85 °C
• Relative humidity: 5 … 96 % (no condensation permissible)

Standards And Specifications

• Conformity marking: CE
• Standards/Specifications: EN 60950 || UL 60950 || UL 508 || EN 61000-6-2 || EN 61000-6-3

Commercial Data

• Packaging type: Box
• Country of origin Sales Organisation Germany: DE
• GTIN: 4045454993917
• Customs tariff number Sales Organisation Germany: 85049017000