Solar DC SPD
  • Air ProSolar DC SPD
  • Air ProSolar DC SPD
  • Air ProSolar DC SPD

Solar DC SPD

In an electrical systems, Solar DC SPDs are usually installed in tap-off configuration (in parallel) between the live conductors and the earth. The operating principle of Solar DC SPD can be similar to that of a circuit breaker.
In normal use (no overvoltage): the Solar DC SPD is similar to an open circuit breaker. When there is an overvoltage: the Solar DC SPD becomes active and discharges the lightning current to earth. It can be likened to the closing of a circuit breaker which would short-circuit the electrical network with the earth via the equipotential earthing system and the exposed conductive parts for a very brief instant, limited to the duration of the overvoltage.
For the user, the operation of the Solar DC SPD is totally transparent as it only lasts a tiny fraction of a second.
When the overvoltage has been discharged, the Solar DC SPD automatically returns to its normal state (circuit breaker open).

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Product Description

Factory Directly Supply Quality DC SPD in Solar made in China

1.DC SPD in Solar Product Details of Quality DC SPD in Solar made in China:


DC SPD in Solar Series YL5-C40-PV
UCPV (V DC)

1000V

1200V

1500V

Max System Discharge Current (8/20 μs) [Imax]

40kA

40kA

40kA

Voltage Protection Level [UP]

≤3.8kV

≤4.5kV

≤4.5kV

Voltage Protection Level at 5kA [UP]

≤3.2kV

≤4.0kV

≤5.0kV

Integrated Fuse Breaking Capacity/Interrupting Rating

40kA/1000Vdc

40kA/1200Vdc

40kA/1500Vdc

Technology Short-Circuit Interruption (SCI) Overcurrent Protection
Operating Temperature Range [TU] -40°C to +80°C
Nominal Discharge Current (8/20 μs) [(DC+/DC-) --> PE] [n] 20kA
Response Time [tA] <25ns
Operating State/Fault Indication Green (good)/Red (replace)
Conductor Ratings and Cross-Sectional Area Min 60/75°C 1.5mm2/14AWG Solid/Flexible
Max 60/75°C 35mm/2AWG Stranded/25mm2/4AWG Flexible
Mounting 35mm DIN Rail per EN 60715
Enclosure Material UL 94V0 Thermoplastic
Degree of Protection IP20
Capacity 3 Modules, DIN 43880
Standards Information IEC 61643-31 Type 2, IEC 61643-1 Class II
Product Warranty Five Years**

Solar DC SPD


Solar DC SPD


2.FAQ of Quality DC SPD in Solar made in China

Q:When I can receive quotation and detail information after send the enquiry?
A: Reply will be sent in 24hours.

Q:What's the difference between you and other suppliers?
A: We have our own design box with PC/ABS material.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q:Can I get a sample for test before place order?
A:Of course!

Q:How's the delivery?Because I really need them is urgently?
A: Samples cost 2-3 days. Bulk order cost 12-15 days.

Q: If i want to release order, what's the payment method you accept ?

A: We accept T/T, Western union, Trade Assurance.


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