Page 189 - EPR Catalog 2015
P. 189
Liquid level monitors and controls
Technical data
Type CM-ENE MIN CM-ENE MAX
Supply circuit
Rated control supply voltage US - A1-A2 24 V AC approx. 1.5 VA
power consumption A1-A2 110-130 V AC approx. 1.2 VA
approx. 1.4 VA
A1-A2 220-240 V AC 2
MIN-C, MAX-C
Rated control supply voltage US tolerance -15...+15 % overflow protection
Rated frequency 50-60 Hz 13-14
closed-circuit principle
Duty time 100 %
Measuring circuit
Monitoring function dry-running protection
Response sensitivity 0-100 k⏲, not adjustable
Maximum electrode voltage 30 V AC
Maximum electrode current 1.5 mA
Electrode supply line max. cable capacity 3 nF
max. cable length 30 m
Timing circuit
Time delay -
Tripping delay fixed approx. 200 ms
Indication of operational states
Output relay energized R: yellow LED
Output circuits
Kind of output 1 n/o contact
Operational principle 1) open-circuit principle
Contact material AgCdO
Rated operational voltage Ue (IEC/EN 60947-1) 250 V
Mininimum switching voltage / minimum switching current -/-
Maximum switching voltage 250 V
Rated operational current Ie AC-12 (resistive) 230 V 4 A
(IEC/EN 60947-5-1) AC-15 (inductive) 230 V 3 A
DC-12 (resistive) 24 V 4 A
DC-13 (inductive) 24 V 2 A
AC rating (UL 508) Utilization category (Control Circuit Rating Code) B 300
max. rated operational voltage 300 V AC
max. continuous thermal current at B 300 5 A
max. making/breaking apparent power at B 300 3600/360 VA
Mechanical lifetime 30 x 106 switching cycles
Electrical lifetime (AC-12, 230 V, 4 A) 0.3 x 106 switching cycles
Max. fuse rating to achieve short-circuit n/c contact -
protection n/o contact 10 A fast-acting
General data
Dimensions (W x H x D) 22.5 x 78 x 78.5 mm (0.89 x 3.07 x 3.09 in)
Mounting position any
Degree of protection enclosure / terminals IP50 / IP20
Ambient temperature range operation / storage -20...+60 °C / -40...+85 °C
Mounting DIN rail (IEC/EN 60715)
Electrical connection
Wire size fine-strand with wire-end ferrule 2 x 0.75-1.5 mm2 (2 x 18-16 AWG)
fine-strand without wire-end ferrule 2 x 1-1.5 mm2 (2 x 18-16 AWG)
Stripping length
Tightening torque rigid 2 x 0.75-1.5 mm2 (2 x 18-16 AWG)
10 mm (0.39 inch)
0.6-0.8 Nm
Standards
Product standard IEC 255-6, EN 60255-6
Low Voltage Directive 2006/95/EC
EMC Directive 2004/108/EC
Electromagnetic compatibility EN 61000-6-2, EN 61000-6-4
electrostatic discharge IEC/EN 61000-4-2 Level 3 (6 kV / 8 kV)
radiated, radio-frequency, electromagnetic field IEC/EN 61000-4-3 Level 3 (10 V/m)
electrical fast transient / burst IEC/EN 61000-4-4 Level 3 (2 kV / 5 kHz)
surge IEC/EN 61000-4-5 Level 4 (2 kV L-L)
conducted disturbances, induced by radio- IEC/EN 61000-4-6 Level 3 (10 V)
frequency fields
Resistance to vibration (IEC 68-2-6) 6g
Mechanical resistance (IEC 68-2-6) 10 g
Isolation data
Rat. insulation volt. betw. supply, meas. & output circuit (VDE 0110, IEC 60947) 250 V
Rated impulse withstand voltage between all isolated circuits 4 kV / 1.2-50 μs
(VDE 0110, IEC 664)
Test voltage between all isolated circuits 2.5 kV, 50 Hz, 1 min.
Pollution category (VDE 0110, IEC 664, IEC 255-5) 3/C
Overvoltage category (VDE 0110, IEC 664, IEC 255-5) III / C
Environmental testing (IEC 68-2-30) 24 h cycle time, 55 °C, 93 % rel., 96 h
1) Open-circuit principle: Output relay energizes if the measured value exceeds/drops below the adjusted threshold.
Closed-circuit principle: Output relay de-energizes if the measured value exceeds/drops below the adjusted threshold.
2CDC 110 004 C0210 | Catalog Electronic Products and Relays 2015 | ABB 2/122
