Page 114 - EPR Catalog 2015
P. 114
Three-phase monitoring relays
Technical data
Type CM-MPS.23 CM-MPS.43 CM-MPN.52 CM-MPN.62 CM-MPN.72
Input circuit = Measuring circuit L1, L2, L3, N L1, L2, L3
Rated control supply voltage US = measuring voltage 3x180-280 3x300-500 3x350-580 3x450-720 3x530-820
V AC V AC V AC V AC V AC
2 Rated control supply voltage US tolerance -15...+10 %
Rated frequency 5 mA / 4 VA 50/60 Hz 29 mA / 52 VA 29 mA / 59 VA
Frequency range 50/60/400 Hz (400 V AC) 45-65 Hz (600 V AC) (690 V AC)
Typical current / power consumption 45-440 Hz 29 mA / 41 VA
5 mA / 4 VA (480 V AC)
(230 V AC)
Measuring circuit L1, L2, L3, N L1, L2, L3
Monitoring functions Phase failure ½ ½ ½ ½ ½
Phase sequence can be switched off ½
½
Automatic phase sequence correction configurable -
Over- / undervoltage ½ ½ ½ ½ 3x690-820
Phase unbalance ½ ½ ½ ½ V AC
Interrupted neutral ½ 3x530-660
- - - V AC
Measuring range Overvoltage 3x240-280 3x420-500 3x480-580 3x600-720
V AC V AC V AC V AC
Undervoltage 3x180-220 3x300-380 3x350-460 3x450-570
V AC V AC V AC V AC
Phase unbalance 2-25 % of average of phase voltages
Thresholds Overvoltage adjustable within measuring range
Undervoltage adjustable within measuring range
Phase unbalance (switch-off value) adjustable within measuring range
Hysteresis related to Over- / undervoltage fixed 5 %
the threshold value Phase unbalance fixed 20 %
Rated frequency of the measuring signal 50/60/400 Hz 50/60 Hz
Frequency range of the measuring signal 45-440 Hz 45-65 Hz
Maximum measuring cycle time 100 ms
Accuracy within the rated control supply voltage tolerance ͬU ͨ 0.5 %
Accuracy within the temperature range ͬU ͨ 0.06 % / °C
Measuring method True RMS
Timing circuit
Start-up delay tS and tS2 fixed 200 ms
Start-up delay tS1 fixed 250 ms
Tripping delay tV ON- or OFF-delay 0; 0.1-30 s adjustable
Accuracy within the rated control supply voltage tolerance ͬt ͨ 0.5 %
Accuracy within the temperature range ͬt ͨ 0.06 % / °C
Indication of operational states Details see function description / -diagrams
Output circuits 15-16/18, 25-26/28
Kind of output relay, 2 x 1 or 1 x 2 c/o contacts configurable
Operating principle closed-circuit principle 1)
Contact material AgNi alloy, Cd free
Rated operational voltage Ue IEC/EN 60947-1 250 V
Minimum switching power 24 V / 10 mA
Maximum switching voltage see „Load limit curves“ on page 127
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 B 300
(Control Circuit Rating Code)
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) 0,1 x 106 switching cycles
Max. fuse rating to achieve short- n/c contact 6 A fast-acting 10 A fast-acting
circuit protection n/o contact 10 A fast-acting
1) Closed-circuit principle: Output relay(s) de-energize(s) if measured value exceeds or falls below the adjusted threshold value
2/47 ABB | Catalog Electronic Products and Relays 2015 | 2CDC 110 004 C0210
