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The QUINT-DC-UPS/24DC/20 is a DC uninterruptible power supply (UPS) module designed for DIN-rail installation. It provides 24 V DC output with a maximum current of 20 A, enabling reliable backup of DC loads in case of power interruptions. The module integrates smart battery management, load monitoring, and diagnostics features for improved system uptime and maintainability.
| Parameter | Value |
|---|---|
| Nominal Input Voltage | 24 V DC |
| Input Voltage Range | 18 V … 30 V DC |
| Reverse Polarity Protection | Yes |
| Inrush Current | ≤ 8 A (≤ 4 ms) |
| Fixed Backup Threshold | 22 V DC |
| Switch‑on Time (normal) | ≤ 3 s |
| Switch‑on Time (battery mode) | ≤ 8 s |
| Voltage Drop (Input → Output) | ~ 0.4 V DC |
| Output Mode | Parameters |
|---|---|
| Nominal Output Voltage | 24 V DC |
| Output Voltage (mains) | Uout ≈ Vin – 0.4 V |
| Output Voltage (battery / buffer mode) | Range ~ 19.2 V … 27.6 V (depending on battery) |
| Nominal Output Current (Iₙ) | 20 A (for ambient conditions −25 °C to +60 °C) |
| Power Boost (I_BOOST) | ~ 26–27 A (for limited time) |
| Selective Fuse Breaking (SFB) | ~ 120 A for short pulses |
| Output Power | 480 W (at 24 V × 20 A) |
| Efficiency | > 98 % (when mains + charged energy storage) |
| Parameter | Value / Range |
|---|---|
| Supported Battery Types | VRLA, VRLA‑WTR, Li‑Ion |
| Charging Current (configurable) | Up to ~ 5 A |
| End-of-Charge Voltage | Typically around 27.6 V (configurable, temperature compensated) |
| Deep Discharge Protection | ~ 19.2 V |
| Temperature Compensation | ~ 42 mV / K (configurable) |
| Nominal Capacity Range | 3 Ah to 135 Ah (depending on module) |
| Buffer / Backup Time | Depends on battery capacity (e.g. 22 min @ 12 Ah) |
| Feature | Description |
|---|---|
| LED Indications | DC OK (green), Alarm (red), Battery mode, Battery charge & SOC |
| Relay Outputs / Status Contacts | Alarm, Battery charge, Power OK |
| Communication Interface | IFS interface for remote monitoring/configuration (depending on variant) |
| Interface Technology | IQ‑Technology (intelligent battery & status management) |
| Parameter | Value |
|---|---|
| Operating Temperature | –25 °C … +70 °C (derating above 60 °C) |
| Storage / Transport Temperature | –40 °C … +85 °C |
| Humidity | ≤ 95 % RH (non‑condensing) |
| Vibration / Shock | Specified to IEC standards (e.g. 30 g shock, 10‑500 Hz vibration) |
| Protection Class | III |
| Degree of Protection | IP20 |
| Operating Altitude | Up to 4,000 m |
| Measurements (W × H × D) | 40 mm × 130 mm × 125 mm |
| Weight | ~ 0.6 kg |
| Mounting | DIN rail, NS 35 (EN 60715) |
| Material / Housing | Metal / sheet‑steel / aluminum parts |
Overvoltage & overcurrent protection built in
Safety / Insulation Ratings: Input / Output isolation, appropriate dielectric withstand (e.g. several hundred volts)
EMC / Emissions & Immunity: conforms to relevant EN / IEC standards (e.g. EN 61000 series)
Selective Fuse Breaking (SFB) for fast tripping of upstream circuit breakers
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