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China Starwin Science&technology Co.Ltd
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| Payment Terms: | T/T |
| Place of Origin: | Shaanxi, China (Mainland) |
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KNF2D MODEL SPD
KNF2D MODEL SPD is generally used to prevent the inference to the low voltage.It has Fault detection and
remote alarm functions.
The indicator switches from red to green when this system malfunctions.
With Monitor and the tripping device
Remote telesignalling connection (normally closed contact) as the fault indicator
KNF2D220-5
Shell size chart
Technical Parameters
KNF1D | 220-10 | 220-5 | |
nominal voltage | Un | 220V | |
Max continuous working voltage | Uc | 255V | |
Nominal Current | In | 16A | |
nominal discharge current(8/20μs ) | In | 10KA | 5KA |
MAX discharge current(8/20μs ) | LMAX | 20KA | 10KA |
Limit voltage IN | UP | ≤1.0KV | ≤800V |
response time | TA | ≤25 ns | |
poles | 2P,1P+N | ||
environmental temperature | -40℃~+80℃ | ||
Protection level | IP20 | ||
Install wire section | Min:10mm2 (single line) MAX:16mm2(single line) 25mm2(double line) | ||
Installing support | 35MM standard lead rail | ||
Remote signal contact type | normally closed contact | ||
Terminal type | AC:250V/0.5A DC:250V/0.1A | ||
Remote communication terminal conductor cross section | MAX:1.5mm2(single line/Multi line)
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Installation and Maintenance
1.DIN 35MM standard rail installation
2.The product adopt the flame - retardant ABS housing ,fix the products,connect the power lines and ground
lines,examine and power up.
3.Grounding is very important to the normal work of SPD.the ground contact area is no less than 25 mm2 and
as short as possible.
4.The products don't need special maintenance while it is on position for a long time.So we should assign some
people to examine regularly.Especially in The thunderstorm season.Once stuck,check it Immediately.
5.The product is equipped with a fault indicator.when working correctly,the indicator shows green,When this
system malfunctions,it shows red.
6.The internal components is with alternating current,be careful when the system is working.
China Starwin Science&technology Co.Ltd [China (Mainland)]
Business Type:Manufacturer
City: Xi'an
Province/State: Shaanxi
Country/Region: China (Mainland)
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