Our commission is to serve our users and purchasers with greatest good quality and aggressive portable digital items for Factory best selling China Single/ Multe Stage 24V Wall Mounting Room Thermostat for Heat Pump System, Living by good quality, improvement by credit score is our eternal pursuit, We firmly feel that soon after your take a look at we will become long-term associates.
Our commission is to serve our users and purchasers with greatest good quality and aggressive portable digital items for China Thermostat for Heat Pump, Digital Thermostat, We’ve got a excellent team supplying experienced service, prompt reply, timely delivery, excellent quality and best price to our customers. Satisfaction and good credit to every customer is our priority. We’ve been sincerely looking forward to cooperate with customers all over the world. We believe we can satisfy with you. We also warmly welcome customers to visit our company and purchase our products.
Outline
FN7-24(DR) indoor HV load break switch applies to electric system with 24kV rated voltage and three-phase AC 50/60Hz, for connecting and breaking load current and short circuit current.
Use Conditions
A. Altitude: ≤1000m.
B. Ambient temperature: -25℃~+40℃.
C. Relative humidity: daily average ≤95%, monthly average ≤90%.
D. No frequent serious vibration.
Main Parameters
|
NO. |
Items |
Unit |
Value |
|
1 |
rated voltage |
kV |
24 |
|
2 |
rated frequency |
Hz |
50 |
|
3 |
rated current |
A |
400, 630, 1250 |
|
4 |
rated active load breaking current |
A |
400, 630, 1250 |
|
5 |
Rated closed loop breaking current |
A |
400, 630, 1250 |
|
6 |
5% rated active load breaking current |
A |
20, 31.5, 62.5 |
|
7 |
rated cable charging breaking current |
A |
10 |
|
8 |
1min power frequency withstand voltage: phase-to-phase, phase to earth/ fracture |
kV |
50/60 |
|
9 |
lightning impulse withstand voltage: phase-to-phase, phase to earth/ disconnecting fracture |
kV |
125/145 |
|
10 |
rated short time withstand current (thermal stability) |
kA |
16, 20, 25 |
|
11 |
rated short circuit duration |
s |
1 |
|
12 |
rated peak withstand current |
kA |
40, 50, 63 |
|
13 |
rated short circuit making current |
kA |
40, 50, 63 |
|
14 |
mechanical life |
times |
2000 |
Overall Drawing
FN7-24D
FN7-24R
Our commission is to serve our users and purchasers with greatest good quality and aggressive portable digital items for Factory best selling China Single/ Multe Stage 24V Wall Mounting Room Thermostat for Heat Pump System, Living by good quality, improvement by credit score is our eternal pursuit, We firmly feel that soon after your take a look at we will become long-term associates.
Factory best selling China Thermostat for Heat Pump, Digital Thermostat, We’ve got a excellent team supplying experienced service, prompt reply, timely delivery, excellent quality and best price to our customers. Satisfaction and good credit to every customer is our priority. We’ve been sincerely looking forward to cooperate with customers all over the world. We believe we can satisfy with you. We also warmly welcome customers to visit our company and purchase our products.
