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Photovoltaic System Protection

SUNTREE has workd closely with solar system manufacturers and through coordinated neserch and development,has produced revolutionary new dc circurit breaker,dc isolator swithc,dc fuse which,combined with its range of surge protective devices,offer complete protection for PV systems

Single core PV Cable

Place of Origin: Zhejiang, China (Mainland)
Brand Name: suntree/OEM
Model Number: PV-1*2.5 mm2
Type: Clock
Number of Conductors: one
Application: solar energy system
cross section: 1*2.5 mm2
Colours: black&red

SCB2 Polarity DC Circuit Breaker

Place of Origin: Zhejiang, China (Mainland)
Brand Name: SUNTREE
Model Number: SCB2-63 Manual Transfer Switch MCB
Type: 1P 2P Manual Transfer Switch MCB
Poles Number: 1
Product name: Manual Transfer Switch MCB
Standards: CE CB IEC60898
Poles: 1,2,3,4 for Manual Transfer Switch MCB

SNH2XLg PV 1100V DC 125A-400A Photovoltaic Fuse

Standard:IEC 60269-6,GB/T 13539.6
Interrupting Capacity
30,000 Amperes At 1100V DC(Time ConsIoni: 1-3ms)

SUP2H1-PV Surge Protective Device

These prewired solutions consist of a base and locking modules that feature a combined disconnection
(SPD) (with three step DC switching device) features visual indication and
optional remote contact signaling (floating changeover contact) for use in
PV systems. These complete surge protective devices are suitable for all PV
systems in accordance with IEC 60364-7-712. Includes a five year limited warranty.

SM1-PV DC breaker Non-polarity

Reliable protection at high ambient temperatures
Loadable:string protection up to 125, size:63A,80A,100A,125A; 250. size:160A,200A,220A,250A; 400, size:320A,400A
Tested:ultimate short circuit breaking capacity Icu of 25kA according to IEC60947-2, SM1-PV 3P DC750V 4P DC1000V specialized in Moulded Case Circuit Breaker dc circuit breaker
Fast:Reclosable for mininum standstill times
Safe:reliable disconnector properties, switching under load
Approval:provide on request

SL7N-63H DC Circuit Breaker 1500V

Model Number:SL7N-63H
Rated voltage:DC1500V
Short-circuit breaking capacity:6KA
Poles: 2P/4P
Rated current:10A/25A/25A/32A/40A

SL7N-63 DC Circuit Breaker

Model Number:SL7N-63
Rated voltage:DC1000V
Short-circuit breaking capacity:6KA
Poles: 1P,2P,3P,4P
Rated current:10A、25A、25A、32A、50A、63A

SRD-30 DC Fuse

Model Number:SRD-30
Rated voltage:DC1100V
Short-circuit breaking capacity:33KA
Poles: 1P
Rated current:1,2,3,4,5,6,8,10,12,15,20,25,30A


Model Number:SUP2-PV
Rated voltage:DC1500V
Maximum discharge current:40KA
Poles: 3P
Degree of protection:IP20

SRD-50H DC Fuse 1500V

Model Number:SRD-50H
Rated voltage:DC1500V
Short-circuit breaking capacity:20KA
Degree of protection:IP20
Fitted fuse link size:10mm×85mm、14mm×85mm

SHLX-AC8/1 AC PV combiner box

• High reliability
With AC Surge Protection Device
With DC circuit breaker, rated voltage AC690V
• Flexible configuration
Used for AC output of 1-50kw inverter. Current rating of the photovoltaic fuse, circuit breaker is modified

SHLX-AC6/1 AC PV combiner box

The combiner box greatly simplifies the connection between series inverter and AC power distribution cabinet or boost transformer.
Simple and clear linternal structure make reasonable wiring.
High reliability and simple maintenance. Outdoor wall mounted can adapt to the harsh environment.
In addition to the material and size, it can be customized according to user requirements.

SHLX-AC4/1 AC PV combiner box

• Strong adaptability
IP65 design, waterproof, anti dust and anti ultraviolet
Strict test for high and low temperature, used widely.
The simple installation, the simplified system wiring, the convenient Wiring
The box body is made of cold rolled steel and other metal materials

SHLX-Grid-Connected Box

• Protection rating IP65
• With short-circuit, over-voltage, under-voltage protection
• Automatically closing
• Surge protection
• Disconnect obliviously,Repair directly in box when repair power issue

SHLX-PV16/1 DC combiner box

• Flexible configuration
Used for single crystal silicon solar modules,
polycrystalline silicon solar modules,
thin film solar modules. Current rating of the photovoltaic fuse,
circuit breaker, load isolation switch is modified

SHLX-PV4/2 DC combiner box

• High Reliability
With DC Surge Protection Device
With DC circuit breaker or DC load isolation switch

Fuse-base with blade contects


SISO-40 DC isolator switch

This product passed IEC authorized Lob IP66 waterproof testing.
Also our compony will lake simulation tests irregularly, similar to customer's using environment,
to make sure this product completely conforms to IP66 protection grade