Higher quality. Efficient. Environmentally friendly
To provide worldwide
Sustainable energy solutions
Brand update
WELTRUS's years of accumulation have been transformed into a positive attitude towards the new energy industry.
Complete certification
Our products have passed UL, CSA, INTERTEK, CE, CB, CCC and other certifications.
R&D experience
We have many years of R&D experience in electrical equipment for new energy vehicles, photovoltaics, energy storage, and HVAC/R industries.
Photovoltaic System
New Energy Vehicles
Protection Devices
Energy Storage System
About WELTRUS'
Established in 1993, our group has an annual operating income exceeding 5.6 billion yuan. We have invested in multiple representative projects, including Pute Medical, Anren Co., Ltd ., Dongding Electronics, Hancheng Technology, Muxing Intelligence, Huakang Biology, Zhongwei Navi, and Weishide Laser. We are recognized as a professional institution with strong industrial and financial capital in Zhejiang Province. Weltrus is a modern group company with core strengths in photovoltaics, new energy vehicles, and energy storage applications. We are committed to advancing clean energy and green technology. Guided by a market-oriented and customer-centric philosophy, we continuously innovate in technology and products to provide global users with high-quality, efficient, and environmentally friendly clean energy solutions.
Why Choose Us
- Expert assistance with product selection and customization.
- timely and reliable delivery.
- competitive price.
- Excellent customer support.
Tel.
+86-15867574653
+86-15867574653
Add.
Block D, Ocean International Center, 333 Yuanjian Street, Gongshu District, Hangzhou City, Zhejiang Province.
Get in Touch
Product Center
- New energy
FX52-40 DC Series
1.Overload protection
2.Short circuit protectio
3.Controlling
4.Protection for people and long cables in TN and IT systems
5.DC string protection: Protects the PV module from dangerous high DC back current
6.Applications in direct current circuits, such as motors, auxiliary circuits, and photovoltaic systems
7.Used in industry and new energy
FXC7 Series (epoxy)
1. Strong control load capacity: rated working voltage 12-1000VDC, rated current meets 10-500A.
2. Safety: With epoxy resin fully sealed structure, contacts and coils are not oxidized, product performance is not affected by the external environment, no arc external spray, can work in explosive and harmful environment.
3. Reliable: DC high voltage non-polar design, higher breaking capacity and more reliable, convenient installation/wiring.
4. This series of products are mainly used in new energy vehicles，charging piles， energy storage and other fields.
5. Certificate：UL，CE
FXC8 Series(Ceramic)
1. This series of products are mainly used in the main positive/negative relays of new energy vehicles.
2. Ceramic welding sealing technology, to achieve the contact part of the airtight packaging, no arc leakage risk, to ensure that no fire, no burst.
3. In the airtight package structure, the gas mainly hydrogen is filled, which effectively prevents the oxidation and burning of the contact, and the contact resistance is low and stable.
4. Rated operating voltage up to 750VDC, 100-250A 85℃ long-term current carrying capacity.
5. Meet the requirements of abnormal working conditions, can break 10 times the overcurrent. 6. Certificate：UL，CE
FXC9 Series(Ceramic)
1. This series of products are mainly used in new energy vehicle precharge/heating relay, energy storage precharge relay.
2. Maximum rated operating voltage 750VDC, 20-40A 85℃ long-term current carrying capacity.
3. Electrical safety meets IEC 60664-1 requirements.
4. Small in size.
5. Certificate：UL，CE
FXC10 Series(Ceramic)
1. This series of products are mainly used in the main positive/negative relays of new energy vehicles.
2. Ceramic welding sealing technology, to achieve the contact part of the airtight packaging, no arc leakage risk, to ensure that no fire, no burst.
3. In the airtight package structure, the gas mainly hydrogen is filled, which effectively prevents the oxidation and burning of the contact, and the contact resistance is low and stable.
4. Rated operating voltage up to 750VDC, 100-250A 85℃ long-term current carrying capacity.
5. Meet the requirements of abnormal working conditions, can break 10 times the overcurrent.
6. Certificate：CE
FXHigh voltage DC contactor
1. Sealing structure with protective gas filled in the chamber, no risk of arc leakage, low&stable contact resistance;
2. Non-polarity arc extinguishing design that is applicable to a range of scenarios with bidirectional current circuit safely and reliably;
3. Carrying current 800A continuously at 85°C;
4. Rated current meets 800/1000A.
5. Certificate：CE
FX Series AC charging pile
◇Rated power：AC 7KW/11KW/22KW
◇Protection Class：IP55
◇Ambient temperature：-30 ~ +50°C ◇Working altitude：≤2000 m without derated
◇Overcurrent and overvoltage：Overcurrent protection, Short circuit protection, Overvoltage protection
◇Certificate：CE
FX Series DC charging pile
◇Rated power：DC 7KW-360KW，600KW（Liquid cooling）
◇Protection Class：IP55
◇Ambient temperature：-30 ~ +50°C
◇Working altitude：≤2000 m without derated
◇Overcurrent and overvoltage： Overcurrent protection, Short circuit protection, Overvoltage protection, Undervoltage protection
◇Certificate：TUV，CE
FXG4L Series
FXG4L series of DC load disconnector is researched, developed and designed by our company by adopting modular concept.Ratedworking voltage is DC1000V/DC1500V, rated current is 80A~400Ain new energy power system. Switch body uses dedicated module combination and whole new visual appearance design, reducing exposed metal components of the switch body and improving safe operation performance of the switch. The product can be loaded with less frequent connecting and breaking circuit, safety and reliability are high. The series of products adopt modular design, and are characterized by flexible combination of structures and small and appealing appearance. Larger contact breaking distance and arc extinction device and arc escape system under independent patent design are available inside the products, which enable the products to be fully able to render higher electrical performance in DC system.
Certificate：UL，TUV，CE
FXG4 Series
FXG4 series disconnectors are developed and designed . with the modular concept. The switch body adopts special module assembly and new appearance design to reduce the exposed metal parts of the switch body and improve the safe operation performance of the switch; the modular design is convenient for the disassembly and assembly of the switch, which is suitable for different use requirements and occasions; handle operating mechanism and electric energy storage are adopted for reliable operation of the switch. FXG4 series disconnectors are applicable to the low-voltage distribution network with rated working voltage of DC1000V and DC1500V and rated working current of 160A ~ 2500A, which can meet the corresponding rated current of on-load connection and disconnection, and can also.
Certificate：UL，TUV，CE
Energy Cube 50kW-100kWh
Energy Cube 50kW-100kWh C&i ESS integrates photovoltaic inverters and a 100 kWh energy storage system. It includes battery cells, Battery Management System (BMS), photovoltaic inverters, fire protection system, distribution system, thermal management system, and energy management system. This achieves an integrated “PV + Energy Storage” solution. The cabinet system adopts a modular design, allowing flexible configurations for photovoltaic, batteries, and loads, meeting various user-side applications.
EnergyCube N 100kW/200kWh
The EnergyCube N has optimized the internal structure and cabinet design based on the first generation. It further integrates equipment such as the battery system, energy management system, AC/DC bidirectional inverter, and intelligent temperature control system. Compared to the previous generation, it saves nearly half of the volume while significantly improving product safety and application versatility. The Energy Cube can start the system without external power supply, establish an independent grid, and is suitable for various applications, including peak shaving, large-scale power grid expansion, factory backup power, commercial and industrial power support, emergency power supply, and charging station expansion.
Commercial & Industrial ESS Energy Cube Liquid-Cooling 105kW/215kWh
The liquid-cooled Energy Cube utilizes an independent liquid cooling system, achieving higher energy density and cooling capacity within a compact design. It offers high efficiency, low noise, safety, reliability, and easy scalability. When integrated with PCS (Power Conversion Systems), it can regulate grid voltage, correct three-phase imbalance, and manage harmonics, enhancing power quality. With a footprint of only 1.3㎡, its modular design and high protection level make it adaptable to various applications, serving as a backup power source to help businesses reduce energy costs and increase the use of green energy.
Commercial & Industrial ESS 20ft
The liquid-cooled containerized energy storage system, independently developed and designed by WELTRUS, offers functionalities such as smoothing grid output, peak shaving, frequency regulation, and load shifting. The entire system can also connect to WELTRUS’s self-developed energy storage cloud platform, which enhances revenue and optimizes operations through its digital operation and energy management systems.
- Industrial automation
FXB2 Series
◇UL 489 Full range of listed certified micro circuit breakers
◇ Rated current up to 125A
◇ The voltage at 277Vac/480Vac meets the 10kA short-circuit breaking capacity
◇ Hydraulic tripping mechanism, stable working at – 40℃ ~ +70℃
◇ Prompt trip sensitivity circuit
◇ Suitable for protection of main loop devices
◇ Contact position indication (red or green)
◇Certificate：UL，CE
FXB3 Series
◇ UL 489 listed full line of miniature circuit breakers
◇ The voltage is 120/240Vac, which meets the standard 10kA breaking current
◇ Suitable for protection of main circuit devices
◇ Contact position indication (red or green)
◇ Main circuit or branch protection
◇ Special equipment and rail transit
◇Certificate：UL，CE
FXM2 Series
◇ High-breaking capacity and a patented arc extinguishing design
◇ Bearing-type spindle reduces the manual operating force required
◇ High quality compact modular design, energy saving and environmentally friendly
◇Certificate：CE Installation flexibility: Bus Bar Connection Lug Line/ Load Side Connection Plug-In Rear Connection
FX-32S，FX-63S (MPCB)
◇Width 45mm, current up to 63A；
◇There is a adjusting button to adjust the overload current of the motor；
◇High score breaking ability 25-100KA；
◇There are overload protection, overload protection, phase loss protection；
◇Used in light industry, mechanical equipment, automation, sewage plants, buildings and other electronic control systems;
◇Certificate：UL,CE
FX Series AC contactors
◇Current range 6-630A；
◇High stability – auxiliary contacts adopt dual contact design with reliable action;
◇High tightness of overall shape can avoid external foreign bodies affecting contactor action;
◇Comply with IEC60947, UL60947-4-1, CSAC22.2, GB14048;
◇ Certificate：UL,CE
FX SeriesThermal relay
◇Model Names：5 10 80 300；
◇Max.Setting Current：0.16-336A;
◇Protection Functions：Overload+Phase loss; Three-Phase Relay(Overload only); Two-Phase Relay(Overload only);
◇ Certificate：UL,CE
4P-39P Electric Box
◇IP65 Protection Level
◇Reserved space for functional sticker
◇Latch function
◇Circuit baffle structure
◇Captive frame structure
◇Copper terminal assembly
◇ Certificate：UL,CE
FXK6 Series
FXK6 series AC vacuum contactor is suitable for AC 50Hz ~ 60Hz, the rated working voltage of the main loop is 1.5kVOr 3.6kV and below in the power system, used to make and break the circuit. Suitable for AC electric control The machine frequently starts and stops, can also be used to control other types of electrical appliances, widely used in power systems, petrol, chemical, coal, metallurgy and other industries. Certificate：CE
FXPV-12.5
◇Location of Use：String box,Inverter
◇Mode of Protection：(DC+)- PE, (DC-)- PE, (DC+)- (DC-);
◇Surge Ratings：Itotal = 12.5 kA (10/350 µs) Itotal = 40 kA (8/20 µs);
◇Protective Elements：High Energy MOV;
◇Housing：Pluggable Design；
◇IEC/EN/UL Category: Class I+II / Type 1+2
◇ Certificate：CE,TUV
FX-C40
◇Location of Use：Sub-Distribution Boards
◇Network Systems:TN-S,TN-C;
◇Mode of Protection：L-PE, N-PE,L-PEN;
◇Surge Ratings：In = 20 kA (8/20 µs);
◇Protective Elements：High Energy MOV;
◇Housing：Pluggable Design；
◇IEC/EN/UL Category：Class II / Type 2
◇ Certificate：CE,TUV
- Photovoltaic system
FX4-O-800
◇MaximumInputPower：800W
◇MPPT VoltageRange：14-65V
◇Operating voltage range：14-65V
◇Maximuminput Current：17A
◇Over-temperature Protection：160℃
◇Certificate：TUV，CE
◇PeakConversionEfficiency：99.2%
◇PowerConsumption@26V：0.8W
◇PowerConsumption@36V：1.3W
◇PowerConsumption@46V：1.8W
FX-HSPS1
◇Modeofcommunication：PLC
◇Maximum input current：20A
◇Maximum input voltage：80V
◇Maximum power：750W
◇Maximumsystemvoltage：1500V(Optional)
◇Certificate：TUV，CE
◇Ratedpower：600W
◇Rated current：16A
◇Start-upvoltage：12V
◇Degreeofprotection：IP68
FX4-A-O
◇Maximum input power ：800W
◇Maximum input current：15A
◇Maximum input voltage：70A
◇MPPT voltage：10-70V
◇Starting voltage：15V
◇Certificate：TUV，CE
◇Output power：0-800W
◇Output voltage：0-70V
◇Maximum output current ：18A
FX4-A-M
◇Communication Communication protocol Zigbee Wireless distance 100M outdoor/30m indoor
◇Maximum number of connected ：30
◇Communicate with the quick break button ： IO Control mode
◇Extended communication interface： RS485 COMX1 9600bps ModBus-RTU
◇Certificate：CE
◇Communicate with the cloud
Wired Internet access: RJ45X1 100Mbps
Wireless Internet access: Wifi 802.11b/g/n 2.4G
Number of antennas: 2
Sample interval: 1 minute
FX-PT1
◇ Photovoltaic shutdown controller：4 road
◇ Operating voltage range：100V-240V50-60Hz
◇ Waterproofrating：IP67
◇ Connector：MC4orcompatibleMC4compatible
◇ Certificate：CE
FX-T300/400/500W
◇Low DC voltage；
◇ Adapts to any system size and optimizes space;
◇Individual MPPT for each module;
◇Built-in WiFi or additional monitoring device* available；
◇Long 25 years lifetime optional up to 20 years warranty；
◇One input can be single-phase networking into a three-phase system;
◇Certificate：CE,TUV,UL
FX-T600/800/1000W
◇Low DC voltage；
◇ Adapts to any system size and optimizes space;
◇Individual MPPT for each module;
◇Built-in WiFi or additional monitoring device* available；
◇Long 25 years lifetime optional up to 20 years warranty；
◇Two input, can be single-phase networking into a three-phase system;
◇Certificate：CE,TUV,UL
FX-T1600/1800/2000/2400W
◇Low DC voltage；
◇ Adapts to any system size and optimizes space;
◇Individual MPPT for each module;
◇Built-in WiFi or additional monitoring device* available；
◇Long 25 years lifetime optional up to 20 years warranty；
◇Four-way input, can be single-phase networking into a three-phase system;
◇Certificate：CE,TUV,UL
FX-B300
◇Adapts to any system size and optimizes space;
◇Module-level online smart monitoring;
◇Industrial leading warranty for monitoring devices;
◇Certificate：CE
FX Series Hybrid inverter
◇Single-phase and three-phase；
◇Type II surge protection，IP65,C4 salt spray design，Support AFCI and RSD, ultimate peace of mind；
◇30mins quick installation，Easy working mode, set and forget，Automatic ON/OFF-Grid switching time <10ms；
◇160% PV oversizing, 150% backup turbo output，80~490V wide battery voltage range, 35A fast charge/discharge，20A PV current wide adaptation；
◇Smart working logic，Generator&heat pump control，Mobile & PC platform management；
◇Certificate：CE,TUV
FX Series String inverter
◇Single-phase and three-phase；
◇Type II surge protection,200m detection distance of AFCI, shutdown within 0.5 second at fastest,IP66, suitable for harsh installation environment;
◇1Minimalist and stylish product design,Three-step quick installation, Rapid APP configuration, efficient and convenient ；
◇160% DC oversizing, wide MPPT voltage range,98.3% conversion efficiency 40A large current, compatible with major module types;
◇APP intelligent O&M, all-weather power station management,Visual display, energy gain and data updated in real time,Intelligent IV curve diagnosis, fast debugging;
◇Certificate：CE,TUV
HIGH VOLTAGE BATTERY
◇Automotive grade battery,Smog detecting, pressure relief valve,Reliable IP65, C4 design to satisfy multi-scenario applications；
◇Handle portable module, flat modular design, space-saving, Flexible stacking, efficient installation, plug-and-play, Multiple and flexible power options (5-20kWh compatibility);
◇35A max charge/discharge current, LiFePO4 cell configuration, long cycle life (>6000). Optional heating module, wider application scenarios;
◇All in one platform monitoring, Remote control and upgrade;
◇Certificate：CE,TUV
Quality Management and Assurance
Our mission
Fully committed to providing high-quality green energy and services, fully committed to continuously improve human living environment
Our vision
The global pioneer of new photovoltaic energy solutions, is committed to building a zero-emission new energy ecosystem, building a sustainable environmental protection and green future, so that cities and nature can be reconciled and breathe freely.
Our Assurance
We have introduced advanced automated production lines and advanced laboratory testing equipment. The entire production process is strictly carried out in accordance with the IATF16949 production system. The PLM+ERP+MES system ensures the digitalization and intelligence of our factory production. The development, production and sales processes can be traced back to the source.
How We Handle Details Makes Us Different
Complete specifications
Various specifications can be made, including unconventional ones. Customization is also possible.
Quality Assurance
We adopt IATF16949 system, and the entire automatic production line is controlled by MES to ensure quality.
Complete certification
Passed UL CSA TUV CCC CE and other tests.
Fast delivery
We have sufficient inventory and the ability to complete large batch production requirements within 2-4 weeks.
Vanadium battery energy storage project
New energy vehicle solutions
Electric box project
Electric box project
PV system project
Hybrid inverter project
Weltrus is looking forward to your inquiry and wish our cooperation journey to start as soon as possible!
At Weltrus, we are proud to present a comprehensive range of new energy products and one-stop solutions, allowing you to seamlessly embrace the new era of green energy. From advanced solar panels to efficient energy storage devices, and from intelligent new energy control systems to professional installation and maintenance services, we offer it all. We deeply understand your needs and have carefully designed exclusive new energy layouts to ensure optimal electricity usage every hour. Whether for homes, commercial locations, or industrial sectors, we provide tailor-made solutions to help you achieve energy savings and reduce costs. By choosing Weltrus’s one-stop new energy solutions, you choose reliability, efficiency, and sustainability. Let’s work together to embark on a wonderful journey of green energy and contribute to a better tomorrow for the earth! Say goodbye to energy worries and enjoy the cleanliness and convenience brought by new energy. Come and experience this unique one-stop new energy service!