EMM 3- 24DC/500AC-16-IFS - Motor management

2297523

Electronic motor management with integrated current transformers up to 16 A - active power measurement for overload and underload monitoring of motors and systems for optimum protection. Freely parameterizable switching and signaling thresholds.

Utilization restriction
EMC note EMC: class A product, see manufacturer's declaration in the download area

Product type Electronic motor manager
Product family CONTACTRON
Operating mode 100% operating factor

Number of phases 3
Maximum power dissipation for nominal condition 5.5 W
Test voltage input/output 8 kV
Supply
Rated control circuit supply voltage US 24 V DC
Control supply voltage range 19.2 V DC ... 30 V DC
Rated control supply current IS 25 mA
Switching threshold 9.6 V DC (“0” signal)
19.2 V DC (“1” signal)
Insulation characteristics
Rated insulation voltage 500 V
Rated surge voltage 6 kV
Overvoltage category III
Degree of pollution 2
Insulation characteristics between the input and output circuits Safe isolation (IEC 60947-1)
Insulation characteristics between the thermistor input and output Basic insulation (IEC 60947-1)

Digital inputs (IN1 - IN4)
Number of inputs 4 (IN1 - IN4)
Rated actuating voltage UC 24 V DC
Rated actuating current IC 3.3 mA
Voltage measuring input V1, V2, V3
Input voltage range 42 V AC ... 575 V AC
Typical input current at UN < 0.5 mA
Current measuring input L1/T1, L2/T2, L3/T3
Typical input current at UN ≤ 16 A
Power measurement
Basic accuracy typ. 2 %
Power range 14 kW
Voltage measurement/star voltage
Basic accuracy typ. 0.75 %
Voltage range 0 V AC ... 350 V AC (Phase-to-neutral voltage)
Current measurement
Basic accuracy typ. 0.5 %
Current range 400 mA ... 16 A
Measuring via Internal current transformer

Output name Acknowledging contacts O1-O4
Note The meaning of the acknowledgement outputs can be freely parameterized, see user manual
Number of outputs 4
Nominal output voltage 24 V DC (semiconductor output)
Output voltage range 19.2 V DC ... 30 V DC
Continuous load current 500 mA
Residual voltage < 200 mV
Protective circuit Suppressor diode
Surge voltage protection > 33 V DC

Control circuits
Connection method Screw connection
Stripping length 8 mm
Screw thread M3
Conductor cross section rigid 0.2 mm² ... 2.5 mm²
Conductor cross section flexible 0.2 mm² ... 2.5 mm²
Conductor cross section AWG 24 ... 14
Load circuit
Connection method Screw connection
Stripping length 8 mm
Screw thread M3
Conductor cross section rigid 0.2 mm² ... 2.5 mm²
Conductor cross section flexible 0.2 mm² ... 2.5 mm²
Conductor cross section AWG 24 ... 14

Status display Yellow LED
Operating voltage display Green LED
Error indication Red LED
Data communication display green LED