Stecamat 821
Processor-controlled charger for lead batteries
Description
The Stecamat 821 battery charger is available in a lightweight, compact housing. The battery is charged gently and quickly by the processor-controlled charging process. To customise the current, voltage, time and ideal monitoring of the battery, the Stecamat 821 battery charger offers a choice of fixed battery profiles and the possibility to enter new battery profiles. This also allows for pre-damaged or deeply discharged batteries to be treated, making a long service life possible with the Stecamat 821. A backlit display provides quick information about the charging status.
The extensive equipment ensures maximum flexibility in use. This equipment and the easy operation ensure seamless operation.

Features
Product features
- Besides preset battery profiles there is the option of entering new battery profiles
- Half the charging time compared to simple, non-controlled chargers with the same rated current
- Optimal for charging batteries with liquid electrolyte and gel / absorbed electrolyte (AGM)
- Adjustable rated capacity determines the charging current
- Suitable for totally discharged batteries
- Constant battery operational readiness through integrated trickle charge
- Ready for operation in just a few minutes
- Charging below the gassing voltage
- Optimal charging of damaged batteries
Electronic protection functions
- Protection in the case of wrong or damaged batteries
- Battery overcharge protection
- Charger output protected against short circuits, reverse polarity and overvoltage
Displays
- Multifunction graphical LC display with backlighting
- for voltage, current, charged capacity, charging phase, menu
Operation
- Four cursor buttons for menu selection
Interfaces
- Control contact for ventilation control system in accordance with DIN EN 50272
Options
- IO box with mains plug and relay for ventilator control
Downloads
Technical data
821-12 | 821-24 | 821-48 | |
---|---|---|---|
Charging rated voltage | 12 V | 24 V | 48 V |
Charge current | 50 A | 35 A | 18 A |
End-of-charge voltage | 14.4 V | 28.8 V | 57.6 V |
Trickle charge voltage | 13.8 V | 27.6 V | 55.2 V |
Characteristic curve | UoIUoIU | ||
Grid voltage | 230 V AC ±10 % | ||
Frequency range | 50 Hz (45 Hz … 65 Hz) | ||
Mains electricity (230 V) | 3.7 A | 5.5 A | 5.5 A |
Discharge current during grid failure | 1.0 mA | ||
Protection class | I | ||
Casing | plastic | ||
Degree of protection | IP 20 | ||
Ambient temperature | -20 °C … +60 °C | ||
Cooling principle | regulated fan | ||
Dimensions (X x Y x Z) | 248 x 429 x 128 mm | ||
Weight | 6.0 kg | ||