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| Main Features | ||
| Capacity | 1000 VA | |
| Input Voltage Range | 170–280 VAC | |
| Input Frequency | 50/60 Hz | |
| Input Power Factor | ≥0.6 | |
| Output Voltage | 220 VAC ± 10% | |
| Output Power Factor | 600W | |
| Output Frequency | 50 ~ 60Hz | |
| Backup Time | Up to 20-40 Minute | |
| Battery | Built-in Battery - Yes Battery Type - Lead-acid battery Qty.of Battery - 1 × 9Ah Charging Current - 1 A Limited Charge Voltage - 13.7 V/pcs Charging Time - 4H–6H to 90% | |
| Type of Wave | AC Mode: Pure sine wave, Battery Mode: Simulated sine wave | |
| Physical Specification | ||
| Dimensions | Product Dimensions 298.4 mm × 101.5 mm × 142.2 mm (11.75″ × 4″ × 5.6″) (L × W × H) Packaging Dimensions 342 mm × 142 mm × 223 mm (13.46″ × 5.59″ × 8.78″) (L × W × H) | |
| Weight | Net Weight 4.9 kg (10.80 lb) Gross Weight 5.1 kg (11.24 lb) | |
| Warranty Information | ||
| Warranty | 1 year | |
The Dahua DH-PFM3350-1000 is an offline UPS designed to keep essential home and office electronics running during sudden power cuts and unstable voltage conditions. With a rated capacity of 1000VA and an output power of 600W, this UPS is well-suited for protecting devices such as computers, routers, CCTV systems, and networking equipment—helping reduce the risk of data loss, unexpected shutdowns, and equipment stress caused by irregular power supply.
Built with a built-in lead-acid battery (1 × 9Ah), the DH-PFM3350-1000 supports dependable backup performance when mains power fails. The battery charging system is rated at a 1A charging current, and it reaches 90% charge within 4 to 6 hours. This makes it practical for everyday use where you want the UPS to be ready after normal charging cycles, especially in areas where outages or voltage dips are common.
This offline UPS supports an input voltage range of 170–280 VAC, which helps safeguard connected devices from voltage fluctuations. The default output voltage is 230V AC, providing consistent power for your equipment. It also supports output frequency operation from 50/60Hz, making it compatible with common power standards used in Bangladesh. With an output current up to 4.6A and a power factor of ≥0.6, the UPS is engineered for efficient performance while delivering stable backup power.
The Dahua DH-PFM3350-1000 offers backup time up to 20–40 minutes, depending on the load connected. For users running networking gear and surveillance systems, this runtime can be enough to keep monitoring active and allow safe shutdowns for computers. For home users, it can help maintain internet connectivity and protect workstations from abrupt interruptions—particularly useful during short outages or frequent power instability.
With a plastic body, the UPS is lightweight and easier to place in tight spaces. The product dimensions are 298.4 × 101.5 × 142.2 mm (L × W × H), and the net weight is 4.9 kg, making it convenient for wall-adjacent placement or desk/stand installation. Operating temperature is 0°C to +40°C, and it supports up to 90% humidity (non-condensing), which supports reliable operation in typical indoor environments.
The Dahua DH-PFM3350-1000 comes with a 1-year warranty, giving additional confidence for buyers looking for a dependable offline UPS solution in Bangladesh.
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