Beijing Ding Ding Future Technology Co.Ltd
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NOVA is a compact and scalable modular inverter providing a pure sine wave AC supply. In conjunction with a DC Power system, it provides an excellent AC backup solution. It uses
the latest inverter technology, providing superior energy efficiency in a compact size.
The “Twin Sine Innovation” (TSI) technology eliminates all single points of failure with full scalability; up to 32 modules in parallel and high efficiency of up to 93 % reducing operating costs.
All business critical applications and all types of AC loads. The design is modular and scalable with hot- swappable inverter modules which ensures low Mean Time to Repair (MTTR), reduction in service costs and meets the changing needs for future expansion.
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| GENERAL | |
| EMC (immunity) | EN 61000-4-2 / EN 61000-4-3 / EN 61000-4-4 / EN 61000-4-5 / EN 61000-4-6 / EN 61000-4-8 |
| EMC (emission) (class) | EN 55022 (A) |
| Safety | EN62040-1 |
| Cooling / Isolation | Forced / Doubled |
| MTBF | 200 000 hrs (MIL-217IF) |
| Efficiency (Typical): Enhanced power conversion / on line | 93% / 89% |
| Dielectric strength DC/AC | 4300 Vdc |
| True Redundant Systems – compliant | 3 disconnection levels on AC out and DC in power ports |
| RoHS | Compliant |
| Vibration | GR63 office vibration 0 to 100 hz-0.1 g / transport vibration 5-100 Hz 0.5 g 100 to 500 hz-1.5 g / Drop test |
| Operating conditions | Designed for installation in an IP20 or IP21 environment. |
| Altitude above sea without de-rating | < 1500 m / derating > 1500 m – 0.8 % per 100 m |
| Ambient / storage temperature / relative humidity | -20 to 50 ° C / -40 to 70 ° C / 95 %, non-condensing |
| Material (casing) | Coated steel-ALU ZINC |
| Nominal Output power (VA) / (W) | 750 VA / 525 W |
| Short time overload capacity | 135 % (15 seconds) 105 % permanent within T° range |
| Admissible load power factor | Full power rating from 0 inductive to 0 capacitive |
| Internal temperature management and switch off | / |
| DC INPUT SPECIFICATIONS | |
| Nominal voltage (DC) | 48 V |
| Voltage range (DC) | 40 - 60 V |
| Nominal current (at 48 Vdc and 525 W output) | 12.5 A |
| Maximum input current (for 15 second) / voltage ripple | 22 A / < 2 mV |
| Input voltage boundaries | / |
| AC INPUT SPECIFICATIONS | |
| Nominal voltage (AC) | 220/230/240 V 1P or 3P (Min 3 shelves for 3P) |
| Voltage range (AC) | 150 - 265 V |
| Brownout | 150 to 185 V |
| 438 W @ 150 Vac | |
| Power factor | > 99% |
| Frequency range (selectable) / synchronization range | 50 – 60 Hz / range 47 – 53 Hz / 57 – 63 Hz |
| AC OUTPUT SPECIFICATIONS | |
| Nominal voltage (AC*) | 220/230/240 V |
| Frequency / frequency accuracy | 50 - 60 Hz / 0.03 % |
| Total harmonic distortion (resistive load) | < 3 % |
| Load impact recovery time | 0.4 ms |
| Turn on delay | 20 s to 40 s depending on the number of modules installed |
| Nominal current | 3.25 A |
| Crest factor at nominal power | 2.5 : 1 |
| With short circuit management and protection | |
| Short circuit clear up capacity | 9 x In for 20 msec - Available while Mains is available at AC input port With magnitude control and management |
| Short circuit current after clear up capacity | 1.89 In |
| IN TRANSFER PERFORMANCE | |
| Max. voltage interruption / total transient voltage duration (max) | 0 s / 0 s |
| SIGNALING & SUPERVISION | |
| Display | Synoptic LED |
| Alarms output / supervision | Dry contacts on shelf / Use optional devices |
| Remote on / off | On rear terminal of the shelf via T2S ETH |