Motor Protection Relay REM 610
1MRS 755121
Technical data (cont´d)
8
Table 11: RTD/analogue inputs
Supported RTD sensors 100 Ω platinum TCR0.00385
(DIN 43760)
250 Ω platinum TCR 0.00385
1000 Ω platinum TCR 0.00385
100 Ω nickel TCR 0.00618
(DIN 43760)
120 Ω nickel TCR 0.00618
120 Ω nickel (US) TCR 0.00672
10 Ω copper TCR 0.00427
Supported PTC thermistor range 0...20 kΩ
Maximum lead resistance (three-wire measurement) 200 Ω per lead
Isolation 2 kV (inputs to protective earth)
Sampling frequency 5 Hz
Response time <8 s
RTD/Resistance sensing current Maximum 4.2 mA rms
6.2 mA rms for 10 Ω copper
Table 12: Environmental tests and conditions
Recommended service temperature range (continuous) -10...+55°C
Limit temperature range (short-term) -40...+70°C
Transport and storage temperature range -40...+85°C according to
the IEC 60068-2-48
Dry heat test According to the IEC 60068-2-2
Dry cold test According to the IEC 60068-2-1
Damp heat test, cyclic According to the IEC 60068-2-30
Table 13: Electromagnetic compatibility tests
EMC immunity test level meets the requirements listed below:
1 MHz burst disturbance test, class III: According to the IEC 60255-22-1
- common mode 2.5 kV
- differential mode 1.0 kV
Electrostatic discharge test, class IV: According to the IEC 61000-4-2,
IEC 60255-22-2 and
ANSI C37.90.3-2001
- for contact discharge 8 kV
- for air discharge 15 kV
Radio frequency interference tests:
- conducted, common mode According to the IEC 61000-4-6 and
IEC 60255-22-6 (2000)
10 V (rms), f=150 kHz...80 MHz
- radiated, amplitude-modulated According to the IEC 61000-4-3 and
IEC 60255-22-3 (2000)
10 V/m (rms), f=80...1000 MHz
- radiated, pulse-modulated According to the ENV 50204 and
IEC 60255-22-3 (2000)
10 V/m, f=900 MHz
Fast transient disturbance tests: According to the IEC 60255-22-4 and
IEC 61000-4-4
• power outputs, energizing inputs, power supply 4 kV
• I/O ports 2 kV
Surge immunity test: According to the IEC 61000-4-5
• Power outputs, energizing inputs, power supply 4 kV, line-to-earth
2 kV, line-to-line
• I/O ports 2 kV, line-to-earth
1 kV, line-to-line
Power frequency (50 Hz) magnetic field
IEC 61000-4-8
300 A/m continuous