AC UPS Solutions

Commercial UPS (Helios Series)

5–200 kVA power ratings

Online double conversion topology

N+1 redundancy

I/O: 1Ø–1Ø, 3Ø–3Ø, 3Ø–1Ø, 1Ø–3Ø

Battery: VRLA, Li-Ion, NiCd

Helios Series – Smarter Power, Continuous Protection
At Chhabi Electricals, we understand that your business success depends on operational continuity and efficiency. Downtime isn’t an option, and energy costs must be controlled. The Helios Series is designed to safeguard sensitive commercial and IT environments with reliable, disturbance-free power. With its online double conversion technology, intelligent monitoring, and compact design, it delivers the stable, adaptable, and efficient AC power your mission-critical applications require.

Uninterrupted Power for Every Application

High Efficiency Operation

>90% efficiency with IGBT-based rectifier & inverter.

Compact Design

Optimized footprint for server rooms and commercial spaces.

Digital Precision

DSP-based regulation ensures stable power and fast response.

Advanced Battery Management

Supports VRLA, Li-Ion, NiCd with intelligent charging.

Comprehensive Protection

Safeguards against overload, short circuit, overtemperature, and disturbances.

Nominal Ratings

SpecificationDetails
Power Range5 kVA – 200 kVA
TopologyOnline double conversion
Parallel RedundancyN+1 configurable
I/O Combinations1Ø–1Ø, 3Ø–3Ø, 3Ø–1Ø, 1Ø–3Ø

Input (Rectifier Section)

SpecificationDetails
Nominal Voltage230V / 415V AC, 3-Phase, 4 Wire
Nominal Frequency50/60Hz
Input Power Factor0.99
Input Harmonics (THDi)<4% at full linear load

Battery

TypeSupported Models
Internal BatteryVRLA, Li-Ion
External BatteryVRLA, Li-Ion

Output (Inverter Section)

SpecificationDetails
Nominal Voltage230V / 415V AC, 3-Phase
Frequency50/60Hz
Voltage Harmonic Distortion<2% (linear), <5% (non-linear)
Overload Capacity100–110%: 60 min
125%: 10 min
150%: 1 min
Crest Factor3:1
Efficiency≥90% (double conversion)

Static Bypass Section

SpecificationDetails
TypeFully static, IGBT-based
Transfer Time≤4 ms (online), ≤0 ms (double conversion)
Bypass Voltage Range±15%
Overload Capability125% (10 min), 150% (1 min), 1000% (1 cycle, fault clearing)
Auto Re-transferSupported

Environmental & Mechanical

SpecificationDetails
Operating Temperature0–50°C (derating above 40°C)
Storage Temperature-20°C to +70°C
Relative Humidity0–95% (non-condensing)
Altitude≤1000m (without derating), up to 3000m (with derating)
CoolingForced air with redundant fans
Enclosure ProtectionIP20 standard, IP31 optional
ComplianceIEC 62040-1/2/3

Communication & Monitoring

CategoryDetails
DisplayLCD panel with real-time monitoring of input, output & battery parameters
PortsRS232, RS485, MODBUS, USB, SNMP (optional)
Remote MonitoringSNMP supported
Alarm IndicationsAudible & visual alarms for warnings and faults

Noise & Dimensions

SpecificationDetails
Noise (at 1m)<70 dB
Dimensions & WeightStandard per rating

Industries We Serve

Power Generation & Utilities

 Reliable DC power for control, protection, and backup across thermal, nuclear, hydro, renewable plants, and utility operations.

Heavy & Resource Industries

Rugged DC systems designed to perform in demanding environments like cement, mining, metal, and steel plants.

Energy & Infrastructure

Mission-critical power solutions for oil & gas, petrochemicals, and pipelines operating in hazardous and remote zones.

Critical Infrastructure & Data

High-availability DC power for data centers, railways, and defense applications where downtime is not an option.

Talk to an Engineer

Share voltage, current, duty cycle, battery type, and environment.

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