High Voltage Distribution Box for Marine ESS

Basic Information

CE and IEC compliant

Adopts 304 stainless steel chassis design, with good anti-corrosion performance,and can adapt to the use of Marine energy storage cabinet environment.
It integrates the control and protection functions of 14 clusters of batteries, and the power supply of 14 clusters of batteries can be switched off with one key in an emergency, improving reliability and safety;
Highly integrated design saves a lot of space than the current industry distributed control mode, saves the installation space of the energy storage cabinet equipment compartment, and is easier to layout, installation and daily maintenance;
It integrates 14 air switches +28 vacuum relays +14 fuses +14 current sensors +480W×2 DC-DC+ Siemens IO module+ DC current transformer 2000A×1 etc.
The use of high-speed network communication interfaces significantly reduces the number of connectors;

Thousand-ton electric ship energy storage containers

No.	Item	Specifications
1	Model	YHKAM-HVB-14C
2	Number of integrated clusters	High-voltage circuit management for 14 battery clusters
3	Installation Method	Wall-mounted installation
4	Voltage range	600～876VDC
5	Dimensions (Length × Width × Height)	1420mm×610mm×155mm
6	Weight	≤125kg
7	Rated current	Each cluster has a continuous current of 200A and a peak current of 250A (lasting for 10 seconds)
8	Contactor type	High-voltage direct current positive/negative contactor (with a withstand voltage of 1500VDC)
9	Breaker specification	DC type shell circuit breaker, with breaking capacity of 20kA
10	High-speed fuse	Breaking time ≤ 1ms, breaking capacity 50kA
11	Communication interface	RS485（Support Modbus RTU protocol）
12	Voltage /current monitoring	Voltage accuracy ±0.2%, current accuracy ±0.5% (Hall sensor)
13	Contactor response time	≤20ms（The BMS command triggers to a complete disconnection）
14	Over-voltage protection threshold	Programmable settings (default 110% rated voltage)
15	Over-current protection	Grade Protection: 200A (continuous) / 250A (instantaneous, 1 second)
16	Operating temperature	-25℃～+60℃
17	Humidity range	5%～95%（without condensation）
18	Material	Stainless steel (outer shell), internal flame-retardant PC
19	Thermal design	Mandatory air cooling + cooling duct

What types of vessels is this high voltage distribution box suitable for?

The high voltage distribution box for marine energy storage is designed for specific types of vessels:

The product has wide applicability:

Suitable for various inland cargo ships and engineering vessels
Can be used in large-capacity energy storage systems for electric container ships
Supports high-voltage circuit management for 14 battery clusters

What are the main features of the high voltage distribution box?

The high voltage distribution box features multiple advanced characteristics:

Adopts 304 stainless steel chassis design with good anti-corrosion performance
Integrates control and protection functions of 14 clusters of batteries
Enables one-key shutdown of 14 clusters battery power supply in emergency situations, improving reliability and safety
Highly integrated design saves significant space compared to current industry distributed control mode

Technical advantages:

Integrates key components such as 14 air switches, 28 vacuum relays, 14 fuses, and 14 current sensors
Uses high-speed network communication interfaces, significantly reducing the number of connectors
Saves installation space of the energy storage cabinet equipment compartment, easier to layout, installation and daily maintenance
Uses Siemens IO module and 480W×2 DC-DC high-quality components

What are the voltage and current parameters of the high voltage distribution box?

The high voltage distribution box features excellent voltage and current parameters:

Voltage range is 600～876VDC
Each cluster has a continuous current of 200A and a peak current of 250A (lasting for 10 seconds)
Contactor type: High-voltage direct current positive/negative contactor (withstand voltage of 1500VDC)
Breaker specification: DC type shell circuit breaker, with breaking capacity of 20kA

Performance characteristics:

High-speed fuse: Breaking time ≤ 1ms, breaking capacity 50kA
Voltage/current monitoring: Voltage accuracy ±0.2%, current accuracy ±0.5% (Hall sensor)
Contactor response time: ≤20ms (BMS command triggers to complete disconnection)
Over-current protection: Grade Protection: 200A (continuous) / 250A (instantaneous, 1 second)

Why choose the High Voltage Distribution Box for Marine ESS?

There are several important reasons to choose our high voltage distribution box for marine energy storage:

High Reliability Design Adopts 304 stainless steel chassis design with good anti-corrosion performance, adapting to marine environments
Safety Assurance Enables one-key shutdown of 14 clusters battery power supply in emergency situations, enhancing safety
High Integration Highly integrated design saves significant installation space
Advanced Components Integrates key components such as air switches, vacuum relays, fuses, etc.
Efficient Communication Uses high-speed network communication interfaces, significantly reducing the number of connectors
International Certification Compliant with CE and IEC certification, ensuring product quality

These advantages make our high voltage distribution box the ideal choice for marine energy storage systems.

How does the high voltage distribution box perform in harsh environments?

Our high voltage distribution box features excellent environmental adaptability:

Operating temperature range: -25℃～+60℃, adapting to various climate conditions
Humidity range: 5%～95% (without condensation), adapting to high humidity environments
Adopts 304 stainless steel chassis design with good anti-corrosion performance
Internal flame-retardant PC material, improving safety

The product also features:

Thermal design: Mandatory air cooling + cooling duct, ensuring stable operation
Communication interface: RS485 (Support Modbus RTU protocol), facilitating system integration
Over-voltage protection: Programmable settings (default 110% rated voltage)
Compact dimensions: 1420mm×610mm×155mm, weight ≤125kg

These characteristics ensure the high voltage distribution box can operate stably and reliably in various complex environments.