1761792

1761792 PHOENIX | Alldatasheet

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Please be informed that the data shown in this PDF document is generated from our online catalog. Please find the complete data in the user documentation. Our general terms of use for downloads are valid. Pluggable 20 A DC current monitoring unit, with adjustable threshold, with status output for threshold monitoring or Manchester-coded current value transmission, for a CLIPLINE complete- compatible DIN rail base element. Your advantages Identify utilization fast with visual display and remote signaling• Can be used in no time at all through simple operation and adjustment directly on the device More space in the control cabinet with narrow overall width of just 8 mm Can be bridged to the CLIPLINE complete terminal block range, always ensuring fast integration Commercial data Item number 1761792 Packing unit 1 pc Minimum order quantity 1 pc Product key CLA127 GTIN 4067923370180 Weight per piece (including packing) 24.9 g Weight per piece (excluding packing) 18.5 g Customs tariff number 90303370 Country of origin DE CMU-DC-20A-S/UDM - Current monitoring 1761792 https://www.phoenixcontact.com/pc/products/1761792 Jul 13, 2026, 12:23AM Page 1 (11)

Product type Current measuring transducer Insulation characteristics Overvoltage category III Pollution degree 2 Electrical properties General Operating voltage 10 V DC ... 56 V DC

12 V DC

24 V DC

48 V DC

Rated insulation voltage Ui 1.8 kV AC (to earth) Rated current IN 20 A DC (Total current at 60°C) Rated current IN 1 / 2 / 3 / 4 / 5 / 6 / 7 / 8 / 9 / 10 / 11 / 12 / 13 / 14 / 15 / 16 / 17 / 18 / 19 / 20 A DC (adjustable) Rated current (pre-adjusted) 1 A Dielectric strength max. 60 V DC Contact switching type without electrical isolation Polarity Bidirectional Closed circuit current I0 typ. 4 mA (at 24 V) Typically < 0.25 W (No-load operation)Power dissipation ≤ 1 W (Nominal operation) Measuring tolerance I ± 4 % (Depending on the nominal current setting) 17899783.02 h (at 25 °C with 21 % load) 7501302.38 h (at 40°C with 34.25% load) MTBF (IEC 61709, SN 29500) 1284542.81 h (at 60°C with 100% load) Total error <± 4 % (Temperature range) Measuring category CAT I Protective circuit Surge protection; 60 V suppressor diode Clock frequency 10 Hz Limiting continuous current 25 A (at 24 V DC) Max. setting range of the current threshold value 1 A ... 20 A (Rotary coding switch) Status output Output voltage 0 V DC (Error) Output current max. 0.015 A (short-circuit-proof) Signaling Signal LED off off (no input voltage) Green signal LED lit (Current in normal range) CMU-DC-20A-S/UDM - Current monitoring 1761792 https://www.phoenixcontact.com/pc/products/1761792 Jul 13, 2026, 12:23AM Page 2 (11)

Yellow signal LED lit (Current > 80 % of the set threshold value) lit (Current > 100 % of the set threshold value)Red signal LED flashing (Threshold value invalid) Dimensions Dimensional drawing Width 8.15 mm Height 51.5 mm Depth 58.5 mm Horizontal pitch 1 Div. Complete module width 8.15 mm Complete module height 123 mm Complete module depth 80 mm Material specifications Color light gray (RAL 7035) Flammability rating according to UL 94 V-0 Insulating material I Housing material PA Environmental and real-life conditions Ambient conditions Degree of protection IP20 Ambient temperature (operation) -30 °C ... 60 °C Ambient temperature (storage/transport) -40 °C ... 70 °C ≤ 2000 m (amsl) ≤ 3000 m up to 52 °C (amsl) Altitude ≤ 4000 m up to 46 °C (amsl) Permissible humidity (operation) 10 % ... 95 % Humidity test 96 h, 95 % RH, 40 °C Shock (operation) 30g (IEC 60068-2-27, Test Ea) IEC 60068-2-6, Test Fc) Vibration (operation) 59.6 Hz ... 150 Hz (Acceleration 5g; in accordance with IEC 60068-2-6, Test Fc) Standards and regulations Standards/specifications EN 61000-6-2 Note EMC – Immunity for industrial areas CMU-DC-20A-S/UDM - Current monitoring 1761792 https://www.phoenixcontact.com/pc/products/1761792 Jul 13, 2026, 12:23AM Page 3 (11)

Standards/specifications EN 61000-6-3 Note EMC – Emission for residential, business and commercial properties and small operations Standards/specifications EN 60068-2-78 Note Environmental influences – Moisture and heat, constant Standards/specifications EN 50178 Note Equipping power installations with electronic equipment Standards/specifications EN 60068-2-6 Note Environmental influences – Vibrations (sinusoidal) Standards/specifications EN 60068-2-27 Note Environmental influences – Shocks Standards/specifications EN 60068-2-30 Note Environmental influences – Part 2–30: Tests – Test Db: Damp heat, cyclical Mounting Mounting type Plug-in mounting CMU-DC-20A-S/UDM - Current monitoring 1761792 https://www.phoenixcontact.com/pc/products/1761792 Jul 13, 2026, 12:23AM Page 4 (11)

51,5 8,15 58,5 Dimensional drawing 8,15123 CMU-DC-20A-S/UDM - Current monitoring 1761792 https://www.phoenixcontact.com/pc/products/1761792 Jul 13, 2026, 12:23AM Page 5 (11)

L N PE Monitoring of the power supply unit utilization CMU-DC-20A-S/UDM - Current monitoring 1761792 https://www.phoenixcontact.com/pc/products/1761792 Jul 13, 2026, 12:23AM Page 6 (11)

M L N PE Targeted monitoring of individual vulnerable loads CMU-DC-20A-S/UDM - Current monitoring 1761792 https://www.phoenixcontact.com/pc/products/1761792 Jul 13, 2026, 12:23AM Page 7 (11)

N L System and energy monitoring Connection diagram 2.1 1 2 3.1 34.1 4 1.1 1.2

1 Signal GND 2

A CMU-DC-20A-S/UDM - Current monitoring 1761792 https://www.phoenixcontact.com/pc/products/1761792 Jul 13, 2026, 12:23AM Page 8 (11)

2.11 PTCB BE PT6 CMU 3.1 4.1 1.1 1.2 A µC CMU-DC-20A-S/UDM - Current monitoring 1761792 https://www.phoenixcontact.com/pc/products/1761792 Jul 13, 2026, 12:23AM Page 9 (11)

ECLASS-13.0 27210123 ECLASS-15.0 27210123 ETIM ETIM 10.0 EC002475 CMU-DC-20A-S/UDM - Current monitoring 1761792 https://www.phoenixcontact.com/pc/products/1761792 Jul 13, 2026, 12:23AM Page 10 (11)

Environmental product compliance EU RoHS Fulfills EU RoHS substance requirements Yes Exemption 7(a), 7(c)-I China RoHS EFUP-50Environment friendly use period (EFUP) An article-related China RoHS declaration table can be found in the download area for the respective article under "Manufacturer declaration". For all articles with EFUP-E, no China RoHS declaration table issued and required. EU REACH SVHC REACH candidate substance (CAS No.) Lead(CAS: 7439-92-1) Phoenix Contact 2026 © - all rights reserved https://www.phoenixcontact.com PHOENIX CONTACT GmbH & Co. KG Flachsmarktstraße 8 D-32825 Blomberg +49 (0) 5235-3 00 info@phoenixcontact.com CMU-DC-20A-S/UDM - Current monitoring 1761792 https://www.phoenixcontact.com/pc/products/1761792 Jul 13, 2026, 12:23AM Page 11 (11)