UPS Systems,Online UPS Systems,Offline UPS Systems,Power Online UPS,Power Offline UPS

Online UPS Systems

Sterling Online UPS systems are manufactured with latest and proven technology that suits Indian conditions. These power online UPS are IGBT based high frequency systems that use crystal oscillator for frequency stability. The power online UPS systems are generator compatible and can charge batteries from 7.2 Ah to 150 Ah for longer backup.

Some of the features of the range we offer include:

High efficiency
Sine wave output
Soft start output
True on-line system
Static transfer switch (optional)
Very high reliability
Cold start capability
Highly stable output voltage
High frequency PWM technology
Battery and load level bar display
Crystal controlled output frequency


A C Input	Voltage	180-260 V
	Frequency	50 Hz. +/-6%
	Phase	SINGLE
A C Output	Voltage	220/230 V
	Frequency	50 Hz. +/-0.05%
	Wave Form	PURE SINE WAVE
	Harmonics Distortion	THD <3%
	Power	0.8 Lag. To Unity
	Transient Response	Recovery to +/-10% in less than 5 Cycles
	Efficiency at Full Load at 230 V Input	Better than 90%
Battery	Voltage	96 / 180 V (other voltages on request)
Battery	Capacity	According to Back up required



Protections	D C Under Voltage
	D C Over Voltage
	Output Over Voltage
	Output Overload
Indications	Mains ON
	On Battery
	Battery Charging
	D C Low
	D C High
	Over Load
	Output Over Voltage
General Specifications
Acoustic Noise	Below 60 dBs at 1 Meter
Cooling	Forced Air Cooling
Ambient Temperature	0 – 45 Degrees C
Relative Humidity	Max. 95% Non Condensing
Installation	Indoor

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Offline UPS Systems

We offer line interactive Offline UPS Systems as economical power back up solution for computers and associated systems, against power black out, fluctuations, brown out, spikes & surges. These power offline UPS systems are available with high capacity charger for charging batteries of rating up to 150 Ah that are used for achieving backup up to 8 Hrs.

Features:

MOSFET Based PWM Technology
Wide Range in built Automatic Voltage Regulator
Intelligent CVCC Charger for prolonged battery life
Option of heavy-duty charger for high capacity batteries
User friendly indications for mode of operation & fault status
Generator Compatible

Technical Specifications:
Rating	500 VA to 3.0 KVA
Battery Voltage	12 V to 60 V
Input Voltage	170-270V *
Input frequency	50 Hz +/- 6%
Output Voltage	220 V +/- 10%
Automatic Voltage Regulator	Integral
Output waveform	PWM Quasi-square wave
Transfer Time (typical)	4 m sec
* Other ranges on request.

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Our Product Range

UPS Systems	Online UPS Systems \| Offline UPS Systems
Inverters	Sine Wave Inverter / Home UPS \| Digital Inverter \| Solar Powered Inverter Sine wave Inverter Kit
Servo Voltage Stabilizers	Air Cooled Single Phase Servo Stabilizer \| Air & Oil Cooled Three Phase Servo Stabilizers
Battery Chargers	Float Charger \| Boost and Float Charger \| Boost Cum Float Charger
Electroplating Rectifiers