NA505-S railway current transducer

NA505-S railway current transducer

Applications:
For the electronic measurement of currents: AC, DC IMPL.,etc.,with galvanic isolation between the primary (high power) and the secondary (electronic) circuits.

Main technical data:
1. Primary nominal current IPN: 500A r.m.s
2. Primary current, measuring range IP: 0~+/-1000A
3. Measuring resistance:            RMmin       RMmax
         with +/-15V @ +/-600A max: 0 ohm     10 ohm
                           @ +/-650A max: 0 ohm      5 ohm
                           @ +/-680A max: 0 ohm      3 ohm
         with +/-24V @ +/-600A max: 3 ohm      10 ohm
                            @ +/-950A max: 3 ohm       5 ohm
                            @ +/-1000A max: 3 ohm     3 ohm
4. Secondary nominal current: 142.86mA rms
5. Conversion ratio: 1:3500
6. Supply voltage(+/-10%): +/-15V~+/-24V
7. Current consumption: 28mA(@+/-24V)+ Secondary output current
8. Isolation test: Between the primary circuit to the secondary circuit(+.-.M): 6kVrms/50Hz/1min

Accuracy – Dynamic performance data:
1. Accuracy @ IPN, TA=+25 oC, ±15V~±24V: +/-0.8%
2. Non-linearity: better than +/-0.1%
3. Offset current @ IP=0, TA=+25 oC: not more than +/-0.2mA
4. Residual current @ IP=0, TA=+25 oC, after an overload of 3xIP: +/-0.4mA
5. Thermal drift: +/-0.6mA(-40 oC ~+70 oC)
+/-0.8mA(-50 oC ~+85 oC)
6. Reaction time @10% of IP max : less than 500ns
7. Response time @90% of IPN: not more than 1us
8. dI/dt accurately followed: better than 100A/us
9. Frequency Bandwidth (-3dB): DC 0~100kHz

General data:
1. Operating temperature: -40ºC~+85ºC
2. Storage temperature: -50 oC~+90 oC
3. Secondary coil resistance: not more than 73 ohm
4. Weight: 350g
5. Standards: EN 50155

Features:
1. Hall effect measuring principle
2. Galvanic isolation between primary and secondary circuit
3. Insulated plastic case made of black PC recognized according to UL 94-V0
4. The whole current transducer comply with RoHS Directive completely