Mastervolt AC Master 12V Pure Sine Wave Inverter

A range of affordable sine wave inverters that convert 12V Battery voltage into reliable 230V 50Hz mains power. Mastervolt sine wave inverters have proven themselves under the most extreme conditions for over 25 years.

The AC Master series is easy to install and delivers full output, even under the most demanding conditions. The pure sine wave technology provides an outstanding power quality, ensuring the correct functioning of sensitive equipment. The usage of high frequency switching technology eliminates any annoying humming and buzzing sounds.

• Features
• Pure sine wave technology protects sensitive equipment.
• Delivers full output at high peak power under the most demanding conditions.
• Automatic power saving system for extended runtime.
• Compact and lightweight design, saving valuable installation time.
• Reliable and safe operation; protected against over-temperature, overload, short circuit, high or low battery voltage.
• Variable speed fan for quiet operation at low power.
• Optional remote control for instant switch off of the inverter and all connected equipment (not available for the 300 and 500 W models).
• Convenient plug connection for all models, 2500/3500 Watt models also hard wired.

In addition, the 2500/3500 Watt models offer:

• Combine 2 up to 15 units to obtain high power or 3-phase systems.
• Integrated transfer system, switches automatically between AC power sources.

Specifications

Force 4 P/No: 130110-300W (Mastervolt P/No: 28010302)  -  300W Model

• Output voltage 230 V - 50 Hz (± 0.1%)
• Recommended battery capacity: ≥ 60 Ah
• Peak load (5 s): 600 W
• Efficiency: 90 %
• Display/read-out: LED display
• Dimensions, hxwxd 210 x 130 x 60 mm
• Weight 1.16 kg
• Approvals CE, E-mark, ABYC A-31
• No-load power consumption (ON mode) 0.58 A – 7 W
• No-load power consumption (energy saving mode) 0.33 A - 4 W
• Protection degree: IP23, vertical wall mounting
• Protections: over temperature, over load, short circuit, high/low battery voltage
• MasterBus compatible: no

Download User Manual here.

Force 4 P/No: 130110-500W (Mastervolt P/No: 28010502)  -  500W Model

• Output voltage 230 V - 50 Hz (± 0.1%)
• Recommended battery capacity: ≥ 100 Ah
• Peak load (5 s): 800 W
• Efficiency: 90 %
• Display/read-out: LED display
• Dimensions, hxwxd 210 x 130 x 60 mm
• Weight 1.22 kg
• Approvals CE, E-mark, ABYC A-31
• No-load power consumption (ON mode) 0.58 A – 7 W
• No-load power consumption (energy saving mode) 0.33 A - 4 W
• Protection degree: IP23, vertical wall mounting
• Protections: over temperature, over load, short circuit, high/low battery voltage
• MasterBus compatible: no

Download User manual here.

Force 4 P/No: 130110-700W (Mastervolt P/No: 28210700)  -  700W model

• Output voltage 200/220/230/240 V – 50/60 Hz (selectable)
• Recommended battery capacity: ≥ 100 Ah
• Peak load (60 s): 810 W
• Efficiency: 91 %
• Display/read-out: LED display
• Dimensions, hxwxd 200 x 330 x 83 mm
• Weight 2.7 kg
• Approvals CE, E-mark, RCM
• No-load current consumption (ON mode) <1.5A
• No-load current consumption (energy saving mode) 0.1 A
• Protection degree: IP21, horizontal wall mounting
• Protections: over temperature, over load, short circuit, high/low battery voltage, reverse polarity
• MasterBus compatible: no

Download User Manual here.

Force 4 P/No: 130110-1KW (Mastervolt P/No: 28211000)  -  1000W model

• Output voltage 200/220/230/240 V – 50/60 Hz (selectable)
• Recommended battery capacity: ≥ 130 Ah
• Peak load (60 s): 1150 W
• Efficiency: 92 %
• Display/read-out: LED display
• Dimensions, hxwxd 200 x 372 x 83 mm
• Weight 3.3 kg
• Approvals CE, E-mark, RCM
• No-load current consumption (ON mode) <1.5A
• No-load current consumption (energy saving mode) 0.1 A
• Protection degree: IP21, horizontal wall mounting
• Protections: over temperature, over load, short circuit, high/low battery voltage, reverse polarity
• MasterBus compatible: no

Download User Manual here.

Force 4 P/No: 130110-1500W (Mastervolt P/No: 28211500)  -  1500W model

• Output voltage 200/220/230/240 V – 50/60 Hz (selectable)
• Recommended battery capacity: ≥ 160 Ah
• Peak load (60 s): 1730 W
• Efficiency: 93 %
• Display/read-out: LED display
• Dimensions, hxwxd 248 x 421 x 83 mm
• Weight 4.2kg
• Approvals CE, E-mark, RCM
• No-load current consumption (ON mode) <1.8A
• No-load current consumption (energy saving mode) 0.1 A
• Protection degree: IP21, horizontal wall mounting
• Protections: over temperature, over load, short circuit, high/low battery voltage, reverse polarity
• MasterBus compatible: no

Download User Manual here.

Royal Mail Service Update: Please be aware when choosing Royal Mail as your preferred delivery method, your delivery time may be impacted by ongoing strikes and may take up to 20 working days. If your order is time critical we suggest choosing a courier or Next Day Service

Our Mail Order team ship chandlery, yacht parts and sailing clothing around the world. We use the best value couriers available, and we will endeavour to get your products to you as quickly and as cost effectively as possible.

International Orders: Due to delays we have had to suspend our international delivery options. 

UK Standard Delivery

• UK Mainland 0 - 2Kg (small jiffy) £3.95 Royal Mail Service. Despatch within 3- 5 working days, delivery in 7-10 working days for orders under £50.00
• UK Mainland up to 25Kg £5.95 Courier service with signature. Despatch within 3- 5 working days, delivery in 7-10 working days
• UK Mainland 25Kg+ Price on request
• UK Mainland Next Day 0 - 25Kg £9.95 Courier service with signature, orders must be placed before midday
• Northern Ireland, Highlands & Islands 0 - 2Kg (small jiffy) £3.95 Royal Mail Service. Despatch within 3- 5 working days, delivery in 5-7 working days for orders under £50.00
• Northern Ireland, Highlands & Islands 1 - 25Kg £10.95 Courier service with signature. Despatch within 3- 5 working days, delivery in 7-10 working days
• Northern Ireland, Highlands & Islands 25Kg+ Price on request
• Channel Islands 0 - 2Kg (small jiffy) £5.95 Royal Mail Service Despatch within 3- 5 working days, delivery in 5-7 working days for orders under £50.00
• Channel Islands 1 - 25Kg £13.50 Courier service with signature. Despatch within 3- 5 working days, delivery in 5-7 working days
• Channel Islands 25Kg+ Price on request

UK Exceptional Delivery

• UK Mainland; Antifoul & paints £5.95
• UK Mainland; Inflatable dinghy £10.00
• UK Mainland; Liferafts £17.50
• UK Mainland; Flares £49.95
• Northern Ireland, Highlands & Islands; Antifoul & paints £9.95
• Northern Ireland, Highlands & Islands; Inflatable dinghy price on request
• Northern Ireland, Highlands & Islands; Liferafts price on request
• Northern Ireland, Highlands & Islands; Flares not available to ship at this time
• Channel Islands; Antifoul & paints £13.50
• Channel Islands; Inflatable dinghy price on request Channel Islands; Flares not available to ship at this time

For further delivery information click here.

Standard Returns

If you are not entirely happy with your purchase, we will exchange or refund your goods in full, provided that the items are returned within 14 days of receipt.*

Please check the condition of goods on arrival - we are unable to accept goods damaged during shipping after 14 days.

Returned goods must be packaged securely, with all original packaging undamaged and in a saleable condition i.e. shoe boxes must be in the same condition as when received.

Goods must be unused and security seals intact.*

If you would like to return goods because they were ordered incorrectly or if clothing does not fit, return postage will be at your expense. If you would like us to replace the goods with another size or colour, we will charge carriage on the replacement.

Please be aware that some navigational and safety products may be dated, and as such a full refund may in some cases not be possible. If you are purchasing dated navigational charts we suggest you contact us for more information.

Faulty Goods

If you receive your goods and believe them to be faulty, please contact us straight away with a brief description of the problem. If we require you to return the product for a replacement, we will send you a pre-paid Royal Mail label for delivery back to us. Unfortuantely we cannot send the courier back to collect the items.

Returning goods to Force 4 is easy!

1. Please contact us by ringing 0345 1300 710 or email on [email protected]. This way we'll be able to determine whether you would like to return the product for a refund or whether you'd like to exchange the product. We are unable to process the return of faulty goods that we're not expecting.
2. We'll then give you a returns number. This returns number will need to be clearly marked on the outside of your parcel so it can be identified on arrival. Please note, failure to mark a returns reference number on the outside of your parcel may result in a delay in processing your return.
3. Don't forget your proof of postage, just in case!
4. Once we receive the item we'll be able to proceed with a refund or an exchange.

*this excludes faulty goods with manufacturers defects. If goods are found to be faulty during use, after the returns period, please just give us a ring on 0345 1300 710 and we'll be happy to help.

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