Ship overcurrent relays are used to protect sensitive equipment against over or under current conditions. By using current transformers (CTs), these protective relays monitor large AC curren... Read more
Ship protection and monitoring relays ensure safety and a high level of ship electrical system availability by monitoring electrical power (voltage, current, and frequency).An important func... Read more
The cooling system runs on the following standard layout: The central freshwater cooling system with single-stage scavenges aircooler and a separate HT circuit. As freshwater is the standar... Read more
A simple overview of ship electrical contactor and all contractors accessories. The itemized overview of contactor accessories should help while sending routine ship technical inspections or... Read more
Contactors and relays from certain manufacturers are constructed to work with a separately top-mounted ‘shock absorber’ mechanism. It is attached as an accessory to the basic uni... Read more
Manufacturers supply mechanical latching modules that should be fitted with either control relays or contactors. The resulting devices are called mechanically held relays.Once the closing im... Read more
The mechanical interlock is assembled between two contactors to prevent them from simultaneously closing and is often used as an added safety feature to electrically interlocked contactors.... Read more
These are used as an accessory for large contactors and are connected through control circuits where they are used for monitoring purposes. Side-mounted contact reference numbers, representi... Read more
A contactor is used to switch larger amounts of electrical power through circuit contacts of 10 amps or higher. Contacts, carrying such a load are called ‘Main Contacts’. These a... Read more
When preparing a ship spares order, the reference numbers or letters should not be ignored, particularly If the requested type of relay is not available from the supplier and another vendor... Read more
