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Analogue Signal Converters
Weidmuller ACT20M

ACT20M-CI-CO-S Weidmuller

Part Number: 1175980000

Availability: 6 in stock

ACT20M, Signal converter/insulator, Screw connection

£111.29 excl. VAT

ACT20M-CI-CO-S Details

The externally supplied ACT20M…, ACT20P… , MAS RPS/RPSH and WAS/WAZ 4/5 signal converters/ supply isolators for transmitting, isolating and converting standardised DC current signals are optionally available in widths of 6 mm (ACT20M…), 12.5 mm (WAS/WAZ4, ACT20P…) or 17.5 mm (WAS/WAZ5…).

The input and output circuits and the voltage supply are completely electrically isolated.

The input signal is converted into a DC current or voltage value.

WAVESERIES signal converters are optionally available with a limiting frequency of 10 Hz (WAS/ WAZ4) or 20 kHz (WAS/WAZ5) for fast signal processing.

The MAS/RPS/RPSH supply isolators can supply external 2-wire sensors (ACT20P 2-/3-wire sensors) and are optionally suitable for transmitting HART protocols (MAS RPSH, ACT20P).

The 24 VDC supply voltage can be cross-connected on the module side via the CH20M BUS PROFILE (ACT20M series) or using the ZQV4N (MAS) or ZQV 2.5N (WAS/ WAZ) pluggable jumpers. International approvals such as ATEX zone 2, UL C1D2 and FM Div2 also enable use in explosive risk zones.

Accuracy< 0.05 % of measuring range
Galvanic isolation3-way isolator
Mounting railTS 35
Power consumption, max.0.8 W
Power consumption, typ.400 mW
Step response time≤ 7 ms
Supply voltage24 V DC ± 30 %
Temperature coefficient≤ 0.01 % / °C
Type of connectionScrew connection
Product TypeCurrent Analogue

Standard signal isolating amplifier1-channel signal isolating amplifier in 6.1 mm width with external power supply,

for transmitting and isolating analogue DC current signals 0/4...20 mA.

Add-on housing for TS35 rail mounting

Dimensions: L/W/H 114.3/ 6.1/ 112.5 mm

Screw connection / Nominal cross-section 2.5 mm2Protection degree: IP 20   

Input                         0/4...20 mA

Output                                             0/4...20 mA 

Load resistance             < 600 Ohm

Transmission error             < 0,05 % v. E. 

Limit frequency 100 Hz

Auxiliary power                                     24 VDC +/- 30 %

Power loss approx. 1.2 W


temperature range -25 °C...+70 °C

Isolation                                 EN 61010-1, 3-way isolation up to 2.5 kV AC/DC of all circuits against each other

Test voltage                               2.5 kV input against output against auxiliary power


voltage                                           300 V AC/DC at overvoltage category II and pollution degree 2

Approvals cULus, FM Div2, ATEX Zone2, DNV, GL

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Analogue Signal Converters