We offer digital inverter, which are designed to provide stable A.C. during power failure. These are fully automatic and completely noiseless. The models available with us are 250 VA to 5 KVA. The salient features of our range include: • Easy installation on A.C. mains after separating power line, there by automatically disconnecting the unwanted during power failure. • Auto Start/Stop- Our inverter starts on automatically during power failure and goes off when the mains is restored. • Auto Search Facility- Our product shuts off, if the load is greater then it's rated output and keeps searching for its correctness after every 5 secs. As soon as the load is decreased, it gets on. • Short Circuit Protection- This inverter automatically shut off during short circuit. • Mosfet Technology is used to achieve longer backup time from same size of batteries. • Stable Output , which gives fixed voltage and frequency even when the load is less, on battery mode. This protects the valuable appliances from burnout due to high voltage. • Controlled Battery Charging Circuits With circuit built in, the batteries are protected against overcharge and deep discharged it charges the batteries at constant optimum rate over input voltage range from 160 V to 300 V it thus increase the battery life. • Status Display The front panel of the inverter has various indication to display the unit status.

Input & Output	230 V, Single phase, 50Hz
Output Voltage	230 V ± 8%
Wave Shape	Quasi Square Wave
Load Power Factor	0.7 to 1.0 Lagging
Battery Charger type	Constant Current Charging
Battery Charging Current	Appx. 10% of Battery Capacity
Efficiency Mains/ Inverter	92% / 85%

Home UPS

We offer home UPS, which are widely used to save power and protect the home electrical appliances from short circuit. These are offered at competitive price and can be customized in specifications and as per the requirements of our clients.

HOME UPS-800 VA/ 12 V
OPTION	A	B	C
COMPUTER	1	-	1
TELEVISION	-	1	-
TUBE LIGHTS	-	2	2
FANS	3	-	2
ROOM COOLER	-	1	-
CFL	6	-	-

For Technical Specifications of Home UPS click on ENLARGE VIEW

Our range of sine wave inverters are made using qualitative raw materials, which ensures the durability and reliability of our range. These are used in various components to protect them from short circuit. Further, our products can be customized in specifications and requirements as per the clients requirement.

For Technical Specifications of Sine Wave Inverter click on ENLARGE VIEW

We offer a range of solar inverters, which work like a regular inverter and have automatic change over from mains to battery and from battery to mains at the time of power cut. The inverter is made by using superior quality equipments and raw materials that provides a longer life. Some of the parts of our inverters include :

• Inverter circuitry
• Two level battery charging from mains
• Solar charge controllers

Salient Features

• Pure Sine Wave Output with no Total Harmonic Distortion (TDH)
• High End Micro controller based design.
• High Efficiency & High reliability
• Auto-reset resulting in efficient overload and short circuit protection.
• Battery pole reversal protection & battery deep discharge protection.
• High surge capability (upto 300%) for starting heavy load.
• Noiseless in operation
• User-friendly display

Applications

Our solar inverter finds application in the following areas.

• Fans, TV and Tube lights
• Computer , printer and Fax Machines
• IT/ITES
• Deep Freezer, Air Conditioners, Microwave
• Industrial Drive & Motors
• Telecom

Our range of interactive uninterrupted power system is incorporated with AVR and built in SMF battery with low battery cutoff facility. This is a compact portable device, which gives complete power protection and at an affordable price. Further, our range comprises of:

• Three battery saving features like buck and boost voltage correction, automatic overload protection and deep discharge protection with audio, visual alarms and indications.
• Short circuit protection
• Inbuilt constant current constant voltage charger for fast and safe charging of batteries and generates low heat so that the internal components and battery remain cool:

AC Mode
Input Voltage	220V A.C. (Nominal)
Input Voltage Variation	145V to 280V A.C.
Output Voltage	220V± 6%
Battery Mode
Input Voltage	12V D.C.(Nominal) for 500VA & 625 VA 24V D.C. (Nominal) for 625VA 24 V D.C. (Nominal) for 1 KVA & 1.5 KVA
Output Voltage	230 V A.C. (Nominal)
Output Regulation	± 5%
Frequency	50 Hz (Nominal)
Load Power Factor	0.8 lag to unity
Output Wave Form	Quasi Sine Wave
Unit Protection
Inverter Overload	Electronic Overload Shutdown
Low Battery	Automatic low battery shut down
Input Overload	A.C. Fuse
Efficiency	Appx. 85%
Operating Temperature	0° to 50° C

We offer online UPS to our customers, which works either on rectified mains voltage if the main power is available or on battery in the case of mains failure. The UPS we offer is a true non break power supply. The product prevents the equipment connected to it from fluctuation, brownouts, spikes, frequency drifts, noise and many more things. The products are tested on various aspects before they are finally send at the client end. For Technical Specifications of On-line UPS click on ENLARGE VIEW

We offer digital voltage stabilizer, which are made of qualitative raw materials to ensure reliability and long lasting operation. These can give reliable operation under adverse climatic condition.

The components incorporated in our product are:

• I.C. controlled digital circuit
• Voltmeter with input and output selector switch to monitor input & output voltage

The specifications of our products are:

Output Voltage	220±10% single phase 50 Hz
Output Regulation	±10%
Correction Rate	± 40V per second
Voltmeter	With selector switch to read input and output voltage
Output Voltage Cutout	Stabilizer will cutout when output is below 200 V ora bove 250 V
Reset	Standard-auto optional-manual
Time Delay	The stabilizer will start after time delay of 10-15sec. So as to permit input voltage to be fully stabilized before outputs made available.
Input Frequency range	47 Hz to 53 Hz
Output Frequency	Same as input
Output Wave Form	True reproduction of I/P No distortion introduced by stabilizer
Operating Temperature	Up to 50°C
Efficiency	Above 95%
Nature of cooling	Natural air cooled

We offer superior quality, high performing servo stabilizers to customers, which have a high speed to meet several kinds of voltage control problems. These are efficient power controllers with no wave form distortion and are available in wide frequency range with low internal impedance. The best feature of our servo stabilizers is that they are insensitive to the magnitude and power factor of the load and this on the other hand do not effect the system power factor. The product is offered to clients at the most reasonable prices and timely deliveries.

Special Features of servo voltage stabilizers
1) Fully automatic solid-state glass epoxy plug in control card.
2) Very low internal impedance.
3) High reliability servomotor.
4) Wide frequency range from 45/55 Hz.
5) No effect by any transient over voltage surges.
6) Voltage limit indicators.
7) Output Voltage adjustable.
8) Input/Output voltage monitoring.
9) Accuracy ±0.5% to ±1% from no load to full load.
10)Fast correction speed (20/40 volts per sec.)


Efficiency : Batter Than 95% (Single Phase), Batter Than 95% (Three Phase)

Our range of constant voltage transformers are made, using advanced technology for voltage regulation, electrical isolation and reliability. These can protect computer, micro processor based systems and industrial applications.

The features of our range include:

• Fully inbuilt electrical load to line isolation
• 100 times noise attenuation capacity
• 33% to 60% higher voltage fluctuation handling capacity
• Precise ± 1% voltage regulation
• No electronic or electro-mechanical components
• Continuous high speed and step less voltage regulation
• Fully protected against overload, over voltage and short circuits
• Full protection to equipments brownouts, spikes and surges
• Highest reliability expectations.

Electricals
Voltage	170 to 280 Volts (Wide range also available)
Frequency	50 Hz
Phase	Single

Output
Voltage	220/230/240 Volts (Adjustable)
Regulation	± 1%
Total Harmonic Distortion	<6%
Voltage Correction Speed	100 V/Sec
Response Time	20-25 m Sec
Protections	Over voltage, over loading short circuit.

Environmental
Operating Temperature range	-20° C to 50° C
Insulation	Class B
Temperature rise	As per IS 2026 Part-II
Operating Humidity	95%

Transformer Technical Specification of Mechanical click on Enlarge View

ALTEK Solar Lantern comprises of solar module, battery, Electronics (PCB), CFL lamp, covered with high transparent chimney and fitted in ABS housing. The Solar Lantern is a portable light unit suitable for either indoor or outdoor covering 360° of omni light for daily use.

ALTEK Solar Lantern is a highly efficient portable light source, which gives an Omni directional bright light. The Solar Photo Voltaic (SPV) module provided with each lantern, it charges the Sealed Maintenance Free (SMF) battery which is fitted inside the lantern when the SPV module exposed to sunlight. The battery will supply power to the Compact Fluorescent Lamp (CFL) whenever required.

Model	SPV Module	Battery	Lamp + PCB (electronics)	Charging Cable
SR Electronics Deep II A	12V 10WP	12V 7AH SMF	7W 4Pin CFL With Electronics	5meters 2core cable
SR Electronics Mini Deep	6V 3Wp/5Wp	6V 4Ah	3Watt/5Watt 4Pin CFL With Electronics	5meters 2core cable

LED light-out efficiency has largely risen from 35 lm/W (2006) to 100 lm/W (Q1'2009). From the viewpoint of LED efficiency increasing, LED products that replace traditional lighting have been deeply anticipated, especially in high power consumption products. Due to the lighting market business being very large, there are many new companies joining in recent years. However, LED product quality has become a very big issue, especially in new companies' products since these new companies are not experts in the lighting field.

Technical Specifications
Input Voltage	AC 170-250
Frequency Range	50-60Hz
PF Power Factor	>0.95
Total Harmonic Distortion	<15%
Power Factor	95%
LED LED Consumption	117W
System Consumption	138W
LED LED Luminous Efficiency	>85LM
LEDLED Initial Flux	9945LM
(%) Lamp's Effciency	>96%
Color Temperature	warm white:2600-4000K;pure white:4000-6300cool white:6300K
(CRI) Color Rendering Index (CRI) Color Rendering Index	Ra>75
/ Light Distribution Curve/Beam Pattern	/ Asym-metric(Batwing)/Rectangular Beam
Tj) Junction Temperature	<75
Working Environment	>50000
IP Rating	Aluminum Alloy
Working Life	0° to 50° C
Light Body & Lampshade Material	Aluminum Alloy
Net Weight	8kg
Trim size	79cm×33cm
Packaging Size

SRElectronics manufacturing a wide range of solar PV charge controllers for solar home lighting systems, street lighting systems and for various solar PV applications.

Charge controllers, which protects battery from over charging and/or excessive discharge are the essential components of Solar PV systems. SR Electronicsintroduces professional Solar Charge Controllers using the most innovative and state of the art Charge controllers,

which protects battery from over charging and/or excessive discharge.

The solar charge controller uses PWM charging technology, so that as the battery reaches full charge, the PWM pulses slower, gradually tapering off the charge. Pulsing is good for the batteries since it gently mixes the electrolyte, preventing stratification and sulphation. Low voltage disconnect protects the batteries from severe discharge by shutting off loads before the battery voltage drops to damaging levels.

General
Application	Solar electrification
Use	Battery Charge controller
Operating temperature	-10°C to 65ºC
Storage temperature	-10°C to 85ºC
Charge controller type	Micro controller based
Charging type	Two step series PWM charging algorithm
Battery temperature compensation	-3mV to -4mV/°C/cell
Solar Module size (Max.)	90Wp
Indications	Charging, Low Battery , Full Charge
Electrical
Nominal system voltage	12V DC
Charging current	6A
Load current	6A
Charge controller efficiency	>95%
Idle consumption	<5mA
Protections	Against module reverse current flow, reverse battery and overload, short circuit, under and over voltage, under and over temperature
Mechanical
Fixing	Wall mounting with screws
Case	Injection Moulded Engineering Plastic
Connectors	Heavy duty terminal connectors
Size (Shipping)(mm)	115 X 100 X 40
Weight (Shipping)	180gms