Description
Projecta PW500 500W Pure Sine Wave Inverter - 12V to 240V Power Inverter with USB-A, USB-C, Remote LCD Display and Australian AS4763 Certification
Power sensitive electronics on the road with Projecta 500W Pure Sine Wave Inverter—featuring true pure sine wave output delivering clean noise-free AC power identical to household mains electricity enabling safe operation of laptops, CPAP machines, phone chargers, cameras, and sensitive electronics, 500W continuous power capacity (1000W surge) suitable for moderate loads including small appliances and power tools, dual AS/NZ approved 240V AC sockets providing standard Australian power outlets for simultaneous device operation, 2.1A USB-A charging port for smartphones and tablets, 18W USB-C port for modern USB-C devices, remote control digital LCD display showing real-time battery voltage, power consumption, and load capacity enabling monitoring from convenient location, complete wiring kit including battery lugs with 1100mm 8mm² battery cable for direct auxiliary battery connection, Australian AS4763 certification ensuring compliance with local electrical safety standards, protection features including overload shutdown, over-temperature protection, low voltage alarm, and reverse polarity protection, compact design suitable for permanent installation in caravans, motorhomes, 4WD vehicles, boats, or portable applications, silent operation producing zero electrical noise or interference unlike modified sine wave inverters, designed and engineered in Australia by Projecta's experienced team for harsh Australian conditions, and ideal for powering creature comforts including laptops, TVs, coffee makers, phone chargers, and sensitive medical equipment during camping, touring, or off-grid living.
Product Overview
Projecta PW500 Pure Sine Wave Inverter delivers reliable 240V AC power from 12V DC auxiliary battery enabling operation of household appliances and sensitive electronics in mobile applications. Pure sine wave output produces clean AC power identical to household mains electricity—critical for sensitive electronics including laptops with switch-mode power supplies, CPAP machines for medical compliance, modern phone chargers with microprocessor control, digital cameras, and audio equipment requiring clean power without interference. Modified sine wave inverters produce stepped approximation of sine wave causing buzzing in audio equipment, overheating in transformers, interference with electronic controls, and potential damage to sensitive devices—pure sine wave eliminates these issues. 500W continuous capacity suitable for moderate loads—charges multiple laptops simultaneously, powers small TVs, runs coffee makers, operates power tool battery chargers, or runs combination of smaller devices. 1000W surge capacity handles brief startup current spikes from motors and compressors. Dual AS/NZ approved 240V sockets provide standard Australian three-pin outlets accepting any household plug—enables simultaneous operation of multiple devices without adapters. USB charging ports eliminate need for separate USB adapters—2.1A USB-A charges smartphones and tablets, 18W USB-C charges modern USB-C phones and devices. Remote LCD display mounts separately from inverter showing battery voltage (monitoring battery state), power consumption (tracking energy use), and load capacity (displaying available power)—enables monitoring from convenient dash or console location versus checking inverter installation location. Complete wiring kit includes battery lugs and 1100mm 8mm² cable suitable for direct auxiliary battery connection—proper cable gauge prevents voltage drop and overheating. Australian AS4763 certification demonstrates compliance with electrical safety standards required for legal installation and insurance compliance. Protection features prevent damage—overload shutdown protects inverter and devices when load exceeds capacity, over-temperature protection prevents overheating during extended use, low voltage alarm warns of excessive battery discharge, reverse polarity protection prevents damage from incorrect wiring. Compact dimensions suit permanent installation in limited spaces or portable use. Silent operation produces zero audible noise or electrical interference. Projecta 50-year Australian heritage designing battery maintenance and power products for harsh conditions. Applications include caravan and motorhome AC power, 4WD touring electrical systems, boat house power, camping portable power, work vehicle tool charging, emergency backup power, and medical device operation (CPAP machines) during travel.
Key Features
Pure Sine Wave Output: True pure sine wave AC power identical to household mains electricity enabling safe operation of sensitive electronics. Eliminates buzzing in audio equipment, prevents transformer overheating, avoids interference with electronic controls, and protects sensitive devices from damage. Critical for laptops, CPAP machines, modern phone chargers, cameras, and electronics requiring clean power.
500W Continuous / 1000W Surge Capacity: Reliable 500W continuous power suitable for moderate loads including laptops, small TVs, coffee makers, phone chargers, and power tool chargers. 1000W surge capacity handles brief startup current spikes from motors, compressors, and inductive loads. Adequate for typical camping and touring power requirements without excessive size, cost, or battery drain.
Dual AS/NZ Approved 240V Sockets: Standard Australian three-pin power outlets accepting any household plug. AS/NZ approval ensures compliance with Australian electrical safety standards. Dual sockets enable simultaneous operation of multiple devices—charge laptop while running TV or power multiple phone chargers. No adapters required for Australian appliances.
USB Charging Ports: Integrated 2.1A USB-A and 18W USB-C ports for direct device charging without separate adapters. USB-A charges smartphones, tablets, cameras, and USB-powered devices. USB-C charges modern phones and devices using USB-C standard. Eliminates need for USB wall adapters reducing clutter and occupied AC outlets.
Remote LCD Display with Monitoring: Separate remote display showing real-time battery voltage, power consumption (watts), and load capacity. Mounts in convenient dash or console location enabling monitoring without accessing inverter installation location. Battery voltage display tracks auxiliary battery state, power consumption shows energy usage enabling load management, load capacity indicates available power preventing overload.
Complete Wiring Kit Included: Wiring kit with battery lugs and 1100mm 8mm² battery cable for direct auxiliary battery connection. Proper gauge cable prevents voltage drop and overheating during maximum load operation. Battery lugs ensure secure connection preventing loosening from vibration. 1100mm length suits typical auxiliary battery installations in caravans, 4WDs, and boats.
Australian AS4763 Certification: Designed and certified to Australian standard AS4763 for inverters ensuring electrical safety compliance. Certification required for legal installation in caravans and RVs, insurance compliance, and electrical safety inspections. Demonstrates commitment to Australian market requirements versus generic international-spec inverters lacking local certification.
Comprehensive Protection Features: Overload shutdown protects inverter and devices when load exceeds 500W capacity preventing damage. Over-temperature protection monitors internal temperature shutting down inverter if overheating preventing fire risk. Low voltage alarm warns of excessive battery discharge protecting auxiliary battery from damage. Reverse polarity protection prevents damage from incorrect battery wiring. Protections ensure safe reliable operation in demanding conditions.
Compact Silent Operation: Compact dimensions suitable for permanent installation in limited spaces or portable use. Silent operation produces zero audible noise or electrical interference—no cooling fans, transformers hum, or electromagnetic interference affecting radios or electronics. Suitable for bedroom installations (CPAP machines) or noise-sensitive applications unlike loud modified sine wave inverters.
Projecta 50-Year Australian Heritage: Designed and engineered in Australia by Projecta's experienced team for harsh Australian conditions. 50-year history supplying battery chargers, inverters, and power products to Australian market. State-of-the-art development facilities researching global technology and designing products from ground up. Quality construction and Australian support ensuring long-term reliability.
Technical Specifications
|
|
| SKU |
PW500 |
| Product Type |
Pure Sine Wave Inverter |
| Brand |
Projecta |
| RRP |
$520.00 AUD Inc GST |
| Input Voltage |
12V DC |
| Output Voltage |
240V AC (50Hz) |
| Output Waveform |
Pure Sine Wave |
| Continuous Power |
500W |
| Surge Power |
1000W (peak) |
| AC Outlets |
2x AS/NZ approved 240V sockets |
| USB-A Output |
2.1A |
| USB-C Output |
18W |
| Remote Display |
Digital LCD (voltage, power, load) |
| Battery Cable |
1100mm 8mm² with battery lugs |
| Certification |
AS4763 (Australian standard) |
| Protection |
Overload, over-temperature, low voltage, reverse polarity |
| Operating Voltage |
10-15V DC (12V nominal) |
| Low Voltage Alarm |
Included |
| Cooling |
Silent (no fan) |
| Installation |
Permanent or portable |
| Warranty |
Manufacturer warranty (check with retailer) |
| Applications |
Caravans, Motorhomes, 4WD, Boats, Camping, Emergency Power |
Frequently Asked Questions
Q: What's the difference between pure sine wave and modified sine wave inverters?
A: Pure sine wave produces smooth sinusoidal AC power identical to household mains electricity—clean waveform suitable for all electronics including sensitive devices. Modified sine wave produces stepped approximation of sine wave—cheaper but causes buzzing in audio equipment, overheating in transformers, interference with electronic controls, reduced efficiency in motors, and potential damage to sensitive electronics. Pure sine wave essential for laptops with switch-mode power supplies, CPAP machines, modern phone chargers, audio equipment, microwave ovens, and any device with electronic controls. Modified sine wave acceptable only for basic resistive loads (incandescent lights, simple heaters) without electronics.
Q: How long can I run a 100W laptop from a 100Ah battery?
A: Approximately 9-10 hours from fully charged 100Ah battery. Calculation: 100Ah battery × 12V = 1200Wh capacity. Inverter efficiency approximately 90% = 1080Wh usable. 100W laptop load = 1080Wh ÷ 100W = 10.8 hours theoretical. Real-world runtime 9-10 hours accounting for battery discharge limits (shouldn't fully discharge AGM battery below 50% = 540Wh usable = 5.4 hours for battery health). Lithium batteries allow deeper discharge (80-90%) providing longer runtime. Monitor battery voltage on LCD display—stop use when voltage drops to 11.5-12V preventing battery damage.
Q: Can I use this to run my caravan air conditioner?
A: No, 500W insufficient for air conditioner operation. Typical caravan rooftop air conditioners require 1000-2000W continuous (2000-3000W startup surge)—exceeds this inverter's 500W capacity. Air conditioners require 2000W+ pure sine wave inverters minimum. 500W suitable for laptops, TVs, coffee makers, phone chargers, small appliances, and power tool battery chargers. Calculate appliance wattage before purchasing—sum of all simultaneous loads must not exceed 500W.
Q: Do I connect this to my starter battery or auxiliary battery?
A: Connect to auxiliary battery only—never directly to starter battery. Inverter draws significant current (500W load = 50A at 12V accounting for losses) rapidly draining starter battery risking inability to start vehicle. Auxiliary battery systems with proper isolator (VSR or DC-DC charger) protect starter battery. Install as close to auxiliary battery as practical minimizing cable length and voltage drop. Use proper cable gauge (8mm² minimum for 500W) preventing overheating and voltage drop degrading performance.
Q: Will this produce any noise or interference?
A: No audible noise—silent operation without cooling fans or transformer hum. Pure sine wave produces clean AC power without electromagnetic interference affecting radios, GPS, mobile phones, or other electronics. Suitable for bedroom installations (CPAP machines) or noise-sensitive applications. Modified sine wave inverters produce electrical noise interfering with AM/FM radios and electronics—pure sine wave eliminates this issue. Only audible sound may be very faint transformer hum under heavy load barely perceptible.
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