Page 60 - Current & voltage sensors catalog

CS300 ... CS2000 railway current sensors
For rolling stock and infrastructure

Technical data

Utilisation
Sensors to measure DC, AC or pulsating currents with
a galvanic insulation between primary and secondary
circuits.

3

Horizontal mounting CS300BR CS503BR CS500BR
Vertical mounting CS300-9877 CS300BRV – CS500BRV
horizontal + Screen CS300BRE CS503BRE CS500BRE
vertical + Screen CS300BRVE – CS500BRVE
Nominal primary current A r.m.s. 100 300 500 500
Measuring range @ ±15 V (±5%) A peak ±150 ±600 ±460 ±880
Measuring range @ ±24 V (±5%) A peak ±150 ±600 ±750 ±1000
Not measurable overload 10 ms/hour A peak 3000 3000 5000 5000
Max. measuring resistance @ I PMAX & ±15 V (±5%) Ω 60 12 1 1
Max. measuring resistance @ I PMAX & ±24 V (±5%) Ω 120 40 6 37
Min. measuring resistance @ I PN & ±15 V (±5%) Ω 0 0 0 0
Min. measuring resistance @ I PN & ±24 V (±5%) Ω 7 35 0 0
Turn number 1000 2000 3500 5000
mA 100 150 142.86 100
Secondary current at I PN
Accuracy at I PN @ +25 °C % ≤±1 ≤±0.5 ≤±0.5 ≤±0.5
Accuracy at I PN -40 … +85 °C % ≤±1 ≤±1 ≤±1 ≤±1
Offset current @ +25 °C & ±24 V (±5%) mA ≤±1 ≤±0.5 ≤±0.3 ≤±0.25
Linearity % ≤0.1 ≤0.1 ≤0.1 ≤0.1
Thermal drift coefficient -40 … +85 °C μA/°C ≤15 ≤7.5 ≤7 ≤5
Delay time μs ≤1 ≤1 ≤1 ≤1
di/dt correctly followed A / μs ≤100 ≤100 ≤100 ≤100
Bandwidth -1 dB kHz ≤100 ≤100 ≤100 ≤100
Max. no-load consumption current @ ±24 V (±5%) mA ≤15 ≤15 ≤15 ≤15
Secondary resistance @ +85 °C Ω ≤18 ≤27 ≤88 ≤64
Dielectric strength Primary/Secondary 50 Hz, 1 min kV 6.5 6.5 6.5 12
(or Primary/(Secondary+Screen)
if relevant)
Dielectric strength 50 Hz, 1 min kV – 0.5 0.5 0.5
Secondary/Screen (if relevant)
Supply voltage ±5% V DC ±15 … ±24 ±15 … ±24 ±15 … ±24 ±15 … ±24
Voltage drop V ≤2.5 ≤2.5 ≤2.5 ≤2.5
Mass kg 0.36 0.36 0.36 0.78
Mass with side plates kg 0.45 0.45 0.45 0.910
Operating temperature °C -40 … +85 -40 … +85 -40 … +85 -40 … +85
Storage temperature °C -50 … +90 -50 … +90 -50 … +90 -50 … +90

General data screen is connected to the (–) terminal of the sensor.
– Plastic case and insulating resin are self-extinguishing. – Protections:
– Fixing holes in the case moulding for horizontal or vertical - of the measuring circuit against short-circuits.
mounting, with side plates. - of the measuring circuit against opening.
- of the power supply against polarity reversal.
– Direction of the current: A primary current flowing in the direction
of the arrow results in a positive secondary output current from – Burn-in test in accordance with FPTC 404304 cycle.
terminal M.
– Internal electrostatic screen: All CS sensors have an electrostatic Primary connection
screen, this is connected to the screen terminal "E". Depending Hole for primary conductor. The temperature of the primary conductor
on the version, when this screen terminal "E" is not provided, the
in contact with the case must not exceed 100 °C.

58 | ABB