67

Sensor type

CMS-120xx

CMS-121xx

CMS-122xx

CMS 120PS

Measurement range

[A]

80

40

20

Measuring method

TRMS, AC 50 / 60 Hz, DC

Peak factor, distorted waveform

≤ 1.5

≤ 3

≤ 6

AC accuracy (TA = + 25 °C)*

≤ ± 1 %

AC temperature coefficient*

≤ ± 0.04 %

CMS 120DR

DC accuracy (TA = + 25 °C)*

≤ ± 1.2 %

≤ ± 1.4 %

≤ ± 1.8 %

DC temperature coefficient*

≤ ± 0.14 %

≤ ± 0.24 %

≤ ± 0.44 %

Resolution

[A]

0.01

Sampling rate, internal

[Hz]

5000

Response time (±1 %)

[sec]

typ. 0.34

Conductor penetration

[mm]

9,6

Insulation strength

690 AC /1500 DC

CMS 120DR

Operating/storage temperature

[°C]

− 25 ... +70 / − 40 ... + 85

Dimensions

CMS-120PS Serie

[mm]

17.4 x 41.0 x 26.5

CMS-120CA Serie

[mm]

17.4 x 41.0 x 29.0

CMS-120DR Serie

[mm]

17.4 x 51.5 x 43.2

Standards

IEC 61010-1 | UL508 / CSA C22.2 No 14

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Open-core sensors 18mm

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Circuit Monitoring System - CMS

Technical features

*All accuracy specifications refer to the relevant full scale value and apply to 25 °C. In the case of open-core sensors, the position of the cable influences the precision.

C I R C U I T M O N I TO R I N G S Y S T EM - C M S - T EC H N I C A L FE AT U R E S