CORPORATE BROCHURE

Zector Series (1kVA ~ 3kVA)

Powered by Lento

At Lento Industries Private Limited, we are a leading manufacturer, supplier, trader, and exporter of high-quality power backup systems engineered for precision and reliability. The Lento Zector Series (1kVA–3kVA) Online UPS is specifically designed to deliver uninterrupted power for sensitive electronics, IT equipment, and small-scale industrial setups.

Built with true double-conversion technology and advanced microprocessor control, it provides clean, consistent power even under fluctuating grid conditions. Compact yet powerful, this UPS ensures maximum uptime, superior efficiency, and long-term equipment protection.

Trusted by OEMs, distributors, and channel partners in over 24+ countries, the Lento Invictus Series is a preferred choice for offices, hospitals, telecom setups, and automation systems. As a global UPS manufacturer and exporter, Lento continues to deliver innovation-driven energy solutions that safeguard mission-critical operations while supporting sustainable, future-ready business infrastructure.

Key Features

  • High-frequency online double-conversion technology for true uninterrupted power
  • Advanced DSP control technology for precise and stable performance
  • Built-in Active Power Factor Correction (APFC) with input PF up to 0.99
  • Output power factor up to 0.9 for higher usable power
  • Wide input voltage range (110–300 Vac) and frequency range (40–70 Hz)
  • Auto sensing frequency with 50/60 Hz conversion
  • Cold start capability for direct battery startup
  • Intelligent rear ventilation with variable speed fan cooling
  • Comprehensive software and hardware protection features
  • Fast and stable charging, restoring up to 90% capacity in about 3 hours (model dependent)
  • Linear derating at low input voltage to reduce battery discharge time
  • Programmable delayed restart when mains power returns
  • Advanced battery management (ABM) system
  • Multiple LCD configurable settings — output voltage, EOD, auto-start, bypass mode
  • Multi-platform communication: RS232 (standard), USB / RS485 / SNMP / dry contacts (optional)
  • Optional accessories: SNMP card, USB/RS485 cards, dry contacts, SMS alarms, EPO function

Applications

  • Data centers and server rooms
  • IT and networking infrastructure
  • Banks and financial institutions
  • Hospitals and critical medical equipment
  • Industrial automation and control systems
  • Telecom towers and communication systems
  • Corporate offices and commercial buildings
  • Laboratories and research facilities
  • Security and surveillance systems
  • Manufacturing plants and production lines
  • Airports and transportation systems
  • Mission-critical loads requiring zero transfer time backup

Available Variants

  • Zector 1kVA \ (24 v | 36v)
  • Zector 2kVA \ 42v
  • Zector 3kVA\ (72v|96v)

Technical Specification

MODEL Invictus 901 Invictus 902 Invictus 903
Capacity 1kVA / 1kW 2kVA / 2kW 3kVA / 3kW
INPUT
Rated voltage  230 Vac
Voltage range 110 ~ 176Vac (linear derating between 50% and 100% load ); 176 ~ 280Vac (no derating); 280 ~ 300Vac (derating 50%)
Frequency 40 ~ 70Hz (auto-sensing)
Power factor ≥0.99
Bypass voltage range - 25% ~ +15% (settable)
Total harmonic distortion (THDi) ≤ 6%
OUTPUT
Voltage 208 / 220 / 230 / 240Vac (settable via LCD)
Voltage regulation ±1%
Frequency 45 ~ 55Hz or 55 ~ 65Hz (synchronized range); 50 / 60Hz ± 0.1Hz (battery mode)
Waveform Sinusoidal
Power factor 0.9/1.0
Total harmonic distortion (THDv) ≤2% (linear load), ≤5% (non-linear load)
Crest factor 3:1
Overload 105% ~ 125% for 1min, 125% ~ 150% for 30s, >150% for 300ms
BATTERIES
DC voltage 24V(S) 24V(H) 36V(S) 36V(H) 48V(S) 48V(H) 72V(S) 72V(H) 72V(S) 72V(H) 96V(S) 96V(H)
Inbuilt battery  2×9Ah / 3×7Ah / 4×9Ah / 6×7Ah / 6×9Ah / 8×7Ah /
Charging current (max.) Standard model: 1A, long time model: 6A
Recharge time Standard model: 90% capacity restored in 3 hours; Long time model: depend on the capacity of battery
   
SYSTEM
Efficiency ≥90% (Mains mode) ≥91% (Mains mode)   ≥92% (Mains mode)
≥85% (Battery mode) ≥86% (Battery mode) ≥87% (Battery mode)
≥95% (ECO mode) ≥96% (ECO mode) ≥97% (ECO mode)
Transfer time Mains mode to battery mode: 0 ms
    Inverter mode to bypass mode: 4 ms (typical)   
Protections Short-circuit, overload, overtemperature, battery discharge protection and fan testing protection
Communications RS232 (standard), USB / RS485 / dry contacts / SNMP (optional)
Display LCD + LED
Standards EN 62040-1, EN 62040-2, EN 61000-3-2, EN 61000-3-3, IEC 61000-4-2, IEC 61000-4-3, IEC 61000-4-4, IEC 61000-4-5, IEC 61000-4-6, IEC 61000-4-8, IEC 61000-4-11, IEC 61000-2-2, IEC 62040-2, IEC 62040-1, IEC 62040-3
OTHERS
Operating temperature 0℃ ~ 40℃
Storage temperature -25°C ~ 55°C (without batteries)
Relative humidity 0 ~ 95% (non-condensing)
Altitude ≤ 1000m, derating 1% for each additional 100 m
Phase  3:1
IP rating IP 20
Noise level at 1m ≤ 50dB 

Dimensions

(W×D×H) (mm)

 144×312×216 144×336×214 144×371×216 144×336×216 144×417×216 191×418×335 191×419×335 191×418×335 191×419×335 191×418×335 191×419×335 191×418×335

Packaged dimensions (W×D×H) (mm)

 230×402×315 232×417×318 230×460×315 232×417×318 230×506×315 277×500×435
Net weight (kg) 11 6 12.8 6 16.4 10.5 23.1 10.5 24.3 11 29.4 11
Gross weight (kg) 11.3 6.9 14 7 17.8 11.6 24.7 12 25.9 12.5 31.1 12.5

 

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