English  |
Product Description
RA-4 Rudder Angle Junction Box
Product Introduction
The Marine Rudder Angle Junction Box serves as the critical interconnection and distribution center within a vessel's rudder angle indication system. Engineered for reliability and systematic organization, this robust enclosure facilitates the secure and efficient routing of electrical signals between the rudder angle transmitter(s), multiple indicator units, autopilot systems, and other bridge navigation equipment.
Installed in key locations such as the steering gear room or behind bridge consoles, this junction box consolidates wiring connections into a single, accessible, and protected point. It ensures signal integrity, simplifies troubleshooting, and provides a centralized interface for system calibration and testing. By organizing and protecting terminal blocks, surge protectors, and signal conditioning modules, it significantly enhances the overall reliability and maintainability of the steering feedback network.
Constructed from corrosion-resistant marine-grade materials (such as powder-coated steel or marine-grade aluminum) with a high IP (Ingress Protection) rating, the enclosure is designed to withstand humidity, vibration, and harsh environmental conditions. Its internal layout is optimized for clear labeling, logical wiring segregation, and easy access for authorized personnel.
An indispensable component for any professional vessel, the Marine Rudder Angle Junction Box is the backbone of a well-integrated and fault-resistant steering indication system, ensuring consistent and accurate rudder data flow across all critical navigation points.
Drawing
Technical Data
| Rudder transmitter | |
| Power | DC24V（+30%~-25%） |
| Indication Range | -40°~+40° |
| Sample resolution | 0.1° |
| Data transmitting rate | ≥5 times/s |
| Data output interface | RS485/CANBUS/ETHER |
| System Resolution | ≤0.1° |
| Environment Temperature | -15℃~+55℃ |
| Humidity | ≤93%(temperature range25℃~40℃) |
| Flush type and Wall type rudder angle indicator | |
| Power | DC24V（+30%~-25%） |
| Data input interface | Lsolated RS485/CANBUS |
| Digital display range | -40°~40°,3digit 0.56 inchred and green LED display |
| Digital display divsion value | 0.1° |
| Simulated Optical Column Display Range | -40°~+40° |
| Simulated Optical Column Display Division Value | 1° |
| Light Adjustment | panel buttons and external buttons.Digital display and simulated diaplay dimmer at thesame time. |
| Light Adjustment Range | 4 levels cycled/auto adjustment |
| Environment Temperature | -15℃~+55°℃(for indoors),-25℃~+70℃(foroutdoors) |
| Humidity | ≤93%(Temperature 25℃~40℃) |
| Three-sided rudder angle Indicator | |
| Power | DC24V(+30%~-25%) |
| Data input interface | Lsolated RS485/CANBUS |
| Digital display range | -40°~+40°,3 digital 1.2inch red(green)LED display |
| Digital display division value | 0.1° |
| Simulated Optical Column Display Range | -40°~+40° |
| Simulated Optical Column Display Division Value | 1° |
| Light Adjustment | panel buttonsand external buttons. |
| Light Adjustment Range | 4 levels adjustment/auto adjustment |
| Environment Temperature | 5℃~55℃(Installed indoors) |
| Humidity | ≤93%(Temperature:25℃~40℃) |
Rudder Angle Indicator
Rudder Angle Indicator Connection Diagram
