RYA Race Coaching Handbook - 2nd edition (G101). Coaching is all about helping people to develop and change. This book has been designed to help the coach provide the ideal learning environment which will help support and challenge the sailor. Includes ...

RYA Power Schemes Instructor Handbook (G19). The RYA Power Schemes Instructor Handbook comprehensively covers the entire process of training as an RYA Power Instructor. It includes information on the whole RYA Power Scheme, the instructing qualifications...

RYA Powerboat Handbook (G13). Powerboating is a fun, fast and exhilarating sport. The number of powerboats on the water is increasing and the need for both confidence and competence on the water has never been more important. If you are looking to...

RYA Pocket Guide to Sea Fishing Baits (G91). This handy little pocket guide goes through the different types of sea bait and how and when they should be used to ensure that the right type is being used to catch the right species. The...

RYA Offshore Sailing (G87). Offshore Sailing is exciting and brings adventure, discovery and freedom to those who undertake a long-distanced journey. For anyone who is going or thinking of going on such a passage, RYA Offshore Sailing is the...

RYA An Introduction to Radar (G34) Follows the syllabus of the RYA One-Day Radar Course and is ideal for anyone requiring a working knowledge of radar. To get the best from your set you need to understand what it is and what it can and can't do. ...

RYA An Introduction to Navigation (G77) - the latest in the RYA’s popular Navigation series. The book guides the reader through the basic steps of navigation so that they can learn to navigate successfully. It is therefore an absolute must for...

RYA National Sailing Scheme Instructor Handbook (G14) This new edition of the RYA Dinghy Coaching Handbook and Logbook has been brought fully up to date. An essential purchase for anyone teaching on an RYA Dinghy, Multihull or Keelboat Instructor Course,...

RYA Yachtmaster Scheme Instructor Handbook (G27) This book is aimed at those running shorebased, sail and motor cruising courses within the RYA Yachtmaster Scheme. Principals and instructors alike will benefit from the guidance and information on...

Current limited electronic charge relay with high efficiency and reverse current protection A secondary battery on board requires a dedicated charging solution. The Charge Mate Pro makes it possible to distribute the charger or alternator current...

A secondary battery is becoming increasingly common. As a second battery can prevent the main battery from depleting and being unable to start, this seems like a safe and reliable solution. The second battery, however, also has to be charged regularly...

A secondary battery is becoming increasingly common. As a second battery can prevent the main battery from depleting and being unable to start, this seems like a safe and reliable solution. The second battery, however, also has to be charged regularly...

Onboard systems usually consist of two or more batteries that function independently when powering the 12, 24 or 48 V consumers. These batteries require independent charging with reliable battery isolators or battery combiners. Mastervolt offers several...

Onboard systems usually consist of two or more batteries that function independently when powering the 12 or 24 V consumers. These batteries require independent charging with reliable battery isolators or battery combiners. Mastervolt offers several...

Onboard systems usually consist of two or more batteries that function independently when powering the 12 or 24 V consumers. These batteries require independent charging with reliable battery isolators or battery combiners. Mastervolt offers several...

Onboard systems usually consist of two or more batteries that function independently when powering the 12 or 24 V consumers. These batteries require independent charging with reliable battery isolators or battery combiners. Mastervolt offers several...

Onboard systems usually consist of two or more batteries that function independently when powering the 12 or 24 V consumers. These batteries require independent charging with reliable battery isolators or battery combiners. Mastervolt offers several...

Onboard systems usually consist of two or more batteries that function independently when powering the 12 or 24 V consumers. These batteries require independent charging with reliable battery isolators or battery combiners. Mastervolt offers several...

Onboard systems usually consist of two or more batteries that function independently when powering the 12 or 24 V consumers. These batteries require independent charging with reliable battery isolators or battery combiners. Mastervolt offers several...

Onboard systems usually consist of two or more batteries that function independently when powering the 12 or 24 V consumers. These batteries require independent charging with reliable battery isolators or battery combiners. Mastervolt offers several...

Make the most of your batteries with the ChargeMaster series, plugging in and charging anywhere in the world. Mastervolt's ChargeMaster guarantees fast and complete charging of your batteries no matter where you are. Thanks to Mastervolt's innovative...

Make the most of your batteries with the ChargeMaster series, plugging in and charging anywhere in the world. Mastervolt’s ChargeMaster guarantees fast and complete charging of your batteries no matter where you are. Thanks to Mastervolt’s...

Make the most of your batteries with the ChargeMaster series, plugging in and charging anywhere in the world. Mastervolt's ChargeMaster guarantees fast and complete charging of your batteries no matter where you are. Thanks to Mastervolt's innovative...

The Remote CC remote panel enables you to limit the input current consumption to prevent the AC shore power fuse from tripping. The Remote CC also offers information about the status of the charge process, the charge current and availability of AC power...

Indication of DC consumption, charge phase indication, AC present, failure message, with on/off/'charger only switch' and 6 metre cable. Technical Files User ManualDimension Drawing

Monitoring panel for Mass 24/75, Mass 24/100, Mass 24/100-3ph and Mass 48/50. The status of the charging process is indicated with six LEDs. Technical Files Installation ManualUser Manual

Remote monitoring for Mass battery chargers, with GMDSS system monitoring functions. Battery voltage and current are displayed on the digital panel. GMDSS stands for Global Maritime Distress and Safety System, an internationally agreed-upon set of safety...

Digital Volt and Ampere meter for Mass 24/75, Mass 24/100 and Mass 24/100-3ph, in front panel. Professional users will benefit from a front display with GMDSS alarm functions. GMDSS stands for Global Maritime Distress and Safety System, an...

Digital Volt and Ampere meter for Mass 24/50-2, in front panel. Professional users will benefit from a front display with GMDSS alarm functions. GMDSS stands for Global Maritime Distress and Safety System, an internationally agreed-upon set of safety...

Digital Volt and Ampere meter for Mass 24/25-2 DNV, in front panel. Professional users will benefit from a front display with GMDSS alarm functions. GMDSS stands for Global Maritime Distress and Safety System, an internationally agreed-upon set of safety...

A safe connection between vessel and shore installation is an essential part of your electrical system. A galvanic electrical isolation between shore power and the on board power prevents any electrical corrosion of metal parts while keeping you earthed...

Mass Systemswitch: The complete system solution Automatic switching MasterBus compatible Three or four outlets to AC power groups Three AC inputs, for example inverter, grid power and generator Power transfer from 4.5 kW to 16 kW, input/output from 25...

Mass Systemswitch: The complete system solution Automatic switching MasterBus compatible Three or four outlets to AC power groups Three AC inputs, for example inverter, grid power and generator Power transfer from 4.5 kW to 16 kW, input/output from 25...

Mass Systemswitch: The complete system solution Automatic switching MasterBus compatible Three or four outlets to AC power groups Three AC inputs, for example inverter, grid power and generator Power transfer from 4.5 kW to 16 kW, input/output from 25...

The SCM60 MPPT-MB is Mastervolt's largest MPPT solar charge regulator. With 600 to 3600 Wp in solar panels, connections for 12, 24 and 48-volt battery banks and an integrated MasterBus connection, this Solar ChargeMaster is perfect for large and...

The SCM25 MPPT is Mastervolt's smallest MPPT charge regulator and just as powerful as its big brother. With 200 to 700 Wp in solar panels, switchable output and buzzer, this Solar ChargeMaster is very well suited to small and medium systems. The...

All-in-one solution for faster and safer charging The ChargeMaster Plus family is a complete range of battery chargers that provide both efficient and reliable performance in all conditions. This new generation of battery chargers offers multiple...

The Magic models can regulate the voltage both up and down to ensure an optimal voltage stabilisation, even when the battery voltage fluctuates due to heavy loads. The galvanic isolation between input and output prevents disruptions to, for instance,...

The required voltage for DC current can vary. Some equipment requires 24 V, while onboard equipment usually requires 12 V. For custom DC current, Mastervolt offers a series of compact and made to measure DC-DC converters for both 12 V and 24 V battery...

RYA Day Skipper Handbook Sail (G71) This is the official handbook supporting the RYA Day Skipper Sail Course and is ideal for anyone looking to brush up on their knowledge to this level. It gives great practical and detailed advice on key skills,...