
Phase Difference Monitoring Device for Rail Circuits PKRF - Ensuring Correct Polarity
Manufacturer:
ZHAIS LLC
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FOB, CIF & EXW terms available
Description
Designed for checking rail circuits for correct polarity alternation on railway in rail circuits
Specifications
The device provides phase difference control at AC voltage at inputs "A" and "B" within the range of
0,3 - 9,0 ?
The device has two independent inputs and provides
visual indication of correct (green or yellow coloured indicator lights up) or incorrect (red coloured indicator lights up) alternation of voltage phases at the boundary of adjacent double- or single-line rail circuits and at the boundary of single-line an
Input resistance of the device at inputs "A" and "B" at frequency 50 Hz is as follows
for input "A" 90±10 ohm, for input "B" - not less than 1 kOhm
The device provides galvanic isolation
Between entrances "A" and "B"
Power supply of the electric circuit of the device is carried out
from controlled circuits
Power consumed by the device at maximum input voltage (9 V) does not exceed
3 VA
Harmonic content in the controlled signal
Up to 10 %
Operation at ambient temperature
-30...40 °C
Operation at relative humidity at temperatures up to +25 °C, up to
98 %
Length of connecting rod
1660 mm
Diameter of connecting rod
22 mm
Length of spigots
266 mm
Diameter of sockets
76 mm
Weight of the device (without packing), not more
2 kg
MTBF, not less
2000
Average service life of the device, not less
10 year
Note: All specifications are provided by the manufacturer and may be subject to change. Please contact us to confirm the latest specifications before placing your order.
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Delivery Time
Sea freight: 30-60 days (depending on destination)
Air freight: 14-21 days (for urgent orders)
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