Servel UPS Systems/ Inverters
General Details
Servel UPS Systems
Introducing top of the line UPS systems from Servel with optional RS 232 serial port from computer interfacing. It comes to you with latest technology, and design which is crafted for ruggedness, reliability and long trouble free service.
Salient Features
- Micro processor based control
- PWM Based
- MOSFET Technology
- Line Interactive
- Built -in AVR
- Optional RS 232 serial port for computer interfacing
- Transfer time < 3 m secs
- Efficiency > 92%
- Models with internal/external Batteries
- Changes over to inverter mode at voltages higher than 280V & less than 140V
- Compact
- One single PCB with connectors ensures quick replacement and zero down time
- UPS automatically gets disabled if the load is removed or switched off to conserve battery power.
Specifications
OFF-LINE UPS
| Rating | 500VA/625VA/750VA1KVA/1.2KVA/1.5KVA |
| Load Power Factor | 0.7 Lagging to unity |
| Input Voltage mains | 140-280V |
| Battery | 12V/24V DC |
| Output (On mains) | 210-245V AC |
| Voltage (On inverter) | 230 ± 21 |
| Wave shape on inverter | Quasi sine wave |
| Frequency (Inverter mode) | 50Hz + 1 % |
| Transfer time | < 3m secs |
| RS – 232 serial port | Optional |
ON-LINE UPS
| Power Rating | 2KVA, Single phase 3KVA, Single phase 5KVA, Single phase |
| Frequency | 509Hz + 6% |
| Rectifier | Automatic float cum boost charge Constant voltage constant current type |
| Nominal DC Voltage | 120V |
| Back-up Time | 1/2 hours or as desired |
| Output Voltage | 220/230 Volts + 1% Single phase |
| Frequency | 50Hz + 0.5% (as per requirement) |
| Inverter Efficiency | More than 85% |
| Wave Form | Sinusoidal (sine-wave) |
| Distortion | Max. 5% THD with no single hamonic more than 3% for linear loads |
| Transient Voltage Response | +8% under steep load change from 10% to 100% |
| Transient Recovery | Within 3 to 5 cycles |
| Load Power Factor | 0.65 lag to unity |
| Over Load Capacity | 120% for 30 min./150% for 10 sec. |
| Crest Factor | Better than 2.5 |
| Control Method | Sinusoidal PWM with control |
| Switching Frequency | 20KHz PWM with MOSFET |
| Circuit Method | On line PWM UPS, zero transfer time |
| Humidity | 95% RH max. (non condensing) |
| Audible Noise | Less than 40 db at distance of 1.5 meters |
| Cooling | Forced air cooling |
Note : Due to continuous innovation and upgradation of the product, the specifications may undergo change without notice.
Servel Inverters
Fully automatic, noiseless -the state-of-the-art Servel inverter to provide you the instant power back-up.
Salient Features
- MOSFET Technology
- PWM based
- Fully Automatic
- Compact, Noiseless & Fumeless
- Can be installed on mains
- Energy efficient
- Heavy Duty Charge
- Negligible loss of battery water
- Modular construction
- Battery charging at sustained low mains input voltage as low as 140V.
- Protection against
Overload
Short circuit
Deep Discharge
Reverse polarity
Battery over current - Auto recovery on removal of overloading
- Easily cater for high inrush currents of colour TV., Tube lights etc.
- Enhanced battery life due to controlled charging
- Very fast change-over from mains to inverter and vice-versa.
Specifications
| Mains input | 160-270V, 50Hz. Can tolerate 140-300V |
| Output | On Mains : same as AC input On Battery : 220 ± 5 % |
| Wave form | Modified sine-wave |
| Load power factor | 0.8 lagging to unity |
| Protection against | Overload Short circuit Overcharging Deep discharge Reverse polarity Battery over current High Voltage even up to 300V |
| Fuses | AC Mains DC Battery line (internal) |
| Output | 15A, 5 pin socket |
| Input | 60A DC Terminal Block for Battery, 15 AMP. Cord for Mains |
| Switches | Inverter ON/OFF |
| Ratings & Recomended Battery Backup time | 500VA (12V System) 1 x 180 Ah 1000VA (24V System) 2 x 180 Ah 3-4 hrs. with fully charged battery. About 6 hrs. On half load with fully charged battery. |
| Led indications | Mains ON Mains fuse blown Battery Low Charger ON Inverter ON Inverter DC fuse blown |
Environment
| Temperature | 0˚C to 55˚C |
| Humidity | 95% RH (maximum) Natural Air |
(Due to continuous innovation and upgradation of the product, the specifications may undergo without notice)
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