Rockwell Automation 193-EC1_2_3_5, 193-ECPM,592-EC1_2_3_5 E3 and E3 Plus Solid-State Overload Relay User Manual - Manual (Page 227)

Rockwell Automation Publication 193-UM002I-EN-P - December 2011 227
Specifications Appendix A
Environmental
Specifications
➊ Current ratings must be derated at altitudes greater than 2000 m
Electromagnetic
Compatibility
Specifications
Table 19: Thermistor/PTC Input Ratings (E3 Plus models EC2 and EC3)
Terminals 1T1, 1T2
Type of Control Unit Mark A
Maximum Number of Sensors 6
Maximum Cold Resistance of PTC Sensor Chain 1500 Ω
Trip Resistance 3400 Ω ± 150 Ω
Reset Resistance 1600 Ω ± 100 Ω
Short-circuit Trip Resistance 25 Ω ± 10 Ω
Maximum Voltage @ PTC Terminals (R
PTC
= 4 k Ω) 7.5V DC
Maximum Voltage @ PTC Terminals (R
PTC
=open) 30V DC
Response Time 800 ms
Table 20: Environmental Specifications
Ambient Temperature
Storage
Operating
(Open)
(Enclosed) –40 °…+85°C (–40…+185°F)
–20 °…+55°C (–4°…+131°F)
–20 °…+40°C (–4°…+104°F)
Humidity
Operating
Damp Heat – Steady State (per IEC 68-2-3)
Damp Heat – Cyclic (per IEC 68-2-30) 5…95% Non-condensing
92% r.h., 40 °C (104°F), 56 days
93% r.h., 25 °C/40°C (77°F/104°F), 21 Cycles
Cooling Method Natural Convection
Vibration (per IEC 68-2-6) 3 G
Shock (per IEC 68-2-27) 30 G
Maximum Altitude 2000 m ➊
Pollution Environment Pollution Degree 3
Terminal Marking EN 50012
Degree of Protection
193-ECxxx
592-ECxxx IP20
Table A.1 Electromagnetic Compatibility Specifications
Electrostatic Discharge Immunity
Test Level:
Performance Criteria:
8kV Air Discharge
6kV Contact Discharge
1 ➊➋
RF Immunity
Test Level:
Performance Criteria: 10V/m
1 ➊➋
Electrical Fast Transient/Burst Immunity
Test Level:
Performance Criteria:
4kV (Power)
2kV (Control & Comm)
1 ➊➋