ACT20X-2SAI-2HAO-S
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ACT20X-2SAI-2HAO-S
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ACT20X-2SAI-2HAO-S
Application
ACT20X-2SAI-2HAO-S
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ACT20X-2SAI-2HAO-S
ACT20X-2SAI-2HAO-S
ACT20X-2SAI-2HAO-S
ACT20X-2SAI-2HAO-S
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ACT20X-2SAI-2HAO-S
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Removable terminals with coding

ACT20X-2SAI-2HAO-S

EX signal isolating converter, HART® transparency, 2-channel, Safe-input: 4-20mA, Ex output: 4 - 20 mA

Item No. 8965460000
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Approvals General ordering data Dimensions and weights Temperatures Probability of failure Environmental Product Compliance Assembling Input Output Output (Status) General specifications Insulation coordination Data for Ex applications (ATEX) Safety-related basic specifications Safety-related specifications Low demand mode Connection data Guarantee Part description Classifications Tender specification sheets

Approvals

Approvals
![](https://mdcop.weidmueller.com/mediadelivery/rendition/900_319222/-S800/-T1z1mm-S80) 
![](https://mdcop.weidmueller.com/mediadelivery/rendition/900_319228/-S800/-T1z1mm-S80) 
![](https://mdcop.weidmueller.com/mediadelivery/rendition/900_319213/-S800/-T1z1mm-S80) 
![](https://mdcop.weidmueller.com/mediadelivery/rendition/900_319234/-S800/-T1z1mm-S80) 
![](https://mdcop.weidmueller.com/mediadelivery/rendition/900_319237/-S800/-T1z1mm-S80) 
![](https://mdcop.weidmueller.com/mediadelivery/rendition/900_319238/-S800/-T1z1mm-S80) 
![](https://mdcop.weidmueller.com/mediadelivery/rendition/900_319240/-S800/-T1z1mm-S80) 
Approvals
DNVGL; 
ROHS
Conform 
UL File Number Search
[UL Website](https://database.ul.com/cgi-bin/XYV/cgifind/LISEXT/1FRAME/gfilenbr.html) 
Certificate no. (cULus)
E337701 

General ordering data

Version
EX signal isolating converter, HART® transparency, 2-channel, Safe-input: 4-20mA, Ex output: 4 - 20 mA 
Order No.
8965460000 
Type
ACT20X-2SAI-2HAO-S 
GTIN (EAN)
4032248785070 
Qty.
1 items

Dimensions and weights

Depth
113.6 mm
Depth (inches)
4.472 inch
Height
119.2 mm
Height (inches)
4.693 inch
Width
22.5 mm
Width (inches)
0.886 inch
Net weight
212 g

Temperatures

Storage temperature
-20 °C...85 °C 
Operating temperature
-20 °C...60 °C 
Humidity
0...95 % (no condensation) 

Probability of failure

SIL PAPER
[SIL certificate](PDF/Cert_Weidmueller_070902_P0002_C007_V2R1.pdf) 
SIL in compliance with IEC 61508
2 
MTBF
135 a

Environmental Product Compliance

RoHS Compliance Status
Compliant with exemption 
RoHS Exemption (if applicable/known)
7a, 7cI 
REACH SVHC
Lead 7439-92-1 
SCIP
2f6dd957-421a-46db-a0c2-cf1609156924 

Assembling

Mounting position
horizontal or vertical 
Mounting rail
TS 35 
Type of mounting
Snap mounting support rail 

Input

Input current
4…20mA 
Number inputs
2 
Voltage drop
<2 V 

Output

2-wire supply
> 14.5 V @ 20 mA 
Influence of load resistance
≤ 0.01% of span / 100 Ω 
Load impedance current
≤ 725 Ω 
Number of outputs, Ex
2 
Output current
4…20 mA (max. 23 mA) 
Output signal limit
<28 mA 
Residual ripple (current loop)
<7.5 mVeff 
Type
intrinsically safe circuit 

Output (Status)

Alarm function
Device error 
No supply voltage 
Continuous current
≤ 0.5 A AC / 0.3 A DC (safe zone) 
≤ 0,5 A AC / 1 A DC (zone 2) 
Hysteresis
0.1 mA (switching threshold) 
Nominal switching voltage
≤ 125 V AC / 110 V DC (safe area)
≤ 32 V AC / 32 V DC (zone 2) 
Number of alarm outputs
1 
Power rating
≤ 62.5 VA / 32 W (safe area)
≤ 16 VA / 32 W (Zone 2) 
Type
Status relay 
1 NC (voltage-free) 

General specifications

Accuracy
<0.1% span 
Configuration
With FDT/DTM software 
Requires configuration adapter 8978580000 CBX200 USB 
HART® transparency supported
Yes 
Humidity
0...95 % (no condensation) 
Operating altitude
≤ 2000 m 
Power consumption
≤1.8 W 
Protection degree
IP20 
Step response time
≤ 5 ms 
Supply voltage
19.2…31.2 V DC 
Temperature coefficient
<0.01% of span/°C (TU) 
Type of connection
Screw connection 
Type of signal forwarding according to HART®
unchanged 

Insulation coordination

EMC standards
EN 61326-1 
Insulation voltage
2.6 kV (input / output) 
Rated voltage
300 V 
Standards
EN 61010-1 

Data for Ex applications (ATEX)

Installation location
Device installed in safe area, zone 2 

Safety-related basic specifications

Description of the "safe state"
analogue Output ≤ 3.6 mA or output ≥ 21 mA 
Device type
A 
Tproof
5 a
Total failure rate for safe detected failures (λSD)
0 FIT
Hardware fault tolerance (HFT)
0 
Safety category
SIL 2 
Safe Failure Fraction (SFF)
85 %
Mean Time To Repair (MTTR)
24 h
Total failure rate for safe undetected failures (λSU)
164 FIT
Total failure rate for dangerous detected failures (λDD)
127 FIT
Total failure rate for dangerous undetected failures (λDU)
48 FIT
Probability of outage PFH
4.8 x 10-8 h-1 
Demand mode
High 

Safety-related specifications Low demand mode

Average Probability of Failure on Demand (PFDavg)
2.29 x 10-4 (Tproof = 1 year) 
4.37 x 10-4 (Tproof = 2 years) 
1.06 x 10-4 (Tproof = 5 year) 

Connection data

Type of connection
Screw connection 
Tightening torque, min.
0.4 Nm
Tightening torque, max.
0.6 Nm
Clamping range, rated connection
2.5 mm²
Clamping range, min.
0.25 mm²
Clamping range, max.
2.5 mm²
Wire connection cross section AWG, min.
AWG 26 
AWG 12 

Guarantee

Time interval
3 years 

Part description

Product description
The ACT20X-SAI-HAO-S is a HART-protocol, transparent current output isolator. A DC current input signal from the safe area will be galvanically separated and drives controlled field devices in Ex zone 0. The device is available as single-channel or dual-channel version. 

Classifications

ETIM 6.0
EC002653 
ETIM 7.0
EC002653 
ETIM 8.0
EC002653 
ETIM 9.0
EC002653 
ETIM 10.0
EC002653 
ECLASS 9.0
27-21-01-20 
ECLASS 9.1
27-21-01-20 
ECLASS 10.0
27-21-01-20 
ECLASS 11.0
27-21-01-20 
ECLASS 12.0
27-21-01-20 
ECLASS 13.0
27-21-01-20 
ECLASS 14.0
27-21-01-20 
ECLASS 15.0
27-21-01-20 

Tender specification sheets

Long specification

Ex output isolation amplifier for standard DC current signals, 2-channel, HART transparent
2-channel output isolation amplifier in 22.5 mm width with external power supply,
for transmitting and isolating standard signals 4 to 20 mA from the safe zone to Ex zones 0,1,2. 
Status-/ error messages are available via a relay contact (NO).
The component can be configured using standard FDT/DTM software.

Add-on housing for TS35 rail mounting
Dimensions: L/W/H 119.2/ 22.5/ 113.6
Screw connection/ Nominal cross-section 2.5 mm2
Protection degree: IP 20  

Input                          2 x 4...20 mA 
                                                                          
Output                                              2 x 4...20 mA
Load                             < 600 Ohm Kanal
Accuracy                   < 0,1 % v.E
Temperature coefficient   < 0,01% v.E./°C (Tu) 
Alarm output relay 1 NO contact 
                                      250 V AC / 30 V DC @ 2A safe zone
                                      32 V AC @ 0.5 A/ 32 VDC @ 1 A Zone 2
Auxiliary power                                     19...31.2 V DC
Power loss approx. 3 W
Ambient
temperature range -20 °C...+60 °C

Secure isolation                   EN 61010, 3-way isolation up to 2.6 kV AC/DC of all circuits against each other
Working voltage                     300 V AC/DC at overvoltage category II and pollution degree 2
Approvals cULus, ATEX IECEX, FM

ATEX marking II 3 G ExnA nC IIC T4
ATEX characteristic data U0 = 28 V DC
                                       I0  = 93 mA DC
                                       P0 = 650 mW

Type                                                              ACT20X-2SAI-2HAO-S

 
Short specification
Ex output isolation amplifier for standard DC current signals, 2-channel, HART transparent
2-channel output isolation amplifier in 22.5 mm width with external power supply,
for transmitting and isolating standard signals 4 to 20 mA from the safe zone to Ex zones 0,1,2. 
Status-/ error messages are available via a relay contact (NO).
The component can be configured using standard FDT/DTM software.