DELCON

SLI input relays for mA loads AC control

The relays are used as an interface between AC sensors and control systems. The integrated interference protection provides reliable operation even in very demanding electrical environments. Thanks to interference protection, signal cables can be run alongside power cables on, for example, cable racks for more than 1.5 km without capacitive cross-talk affecting relays. The relays have no mechanical parts, which provides very reliable application. The CRP models are especially designed for connecting to 2-wire sensors that generate leakage current. The CRP relays are blind to leakage currents up to 3.5 mA. 

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  • AC control / DC load
  • Galvanic isloation 4kV, 8mm creep distance
  • Effective interference elimination
  • Compatible with both NPN and PNP logic
  • LED indication

Selected variant

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Technical data

Input data

Input current max 15 mA
Response time 20 ms
Release time 60 ms
Switching voltage 16 V
Turn-off voltage 14 V
Input impedance, typ 4 kΩ
Input voltage nom 24

Output data

Number of poles 1
Load current 50 mA
Load voltage dc max 60 V

*Invisible Heading*

Voltage drop over semiconductor at max 0,4 V
Voltage drop 0,2 V

General data

Width 12,5 mm
Temperature operational min -40 °C
Temperature operational max 70 °C
Storage temperature min -40 °C
Storage temperature max 70 °C
Weight 40 g
Approvals CE, UL

Measurements and connections

Product description

The relays are used as an interface between AC sensors and control systems. The integrated interference protection provides reliable operation even in very demanding electrical environments. Thanks to interference protection, signal cables can be run alongside power cables on, for example, cable racks for more than 1.5 km without capacitive cross-talk affecting relays. The relays have no mechanical parts, which provides very reliable application. The CRP models are especially designed for connecting to 2-wire sensors that generate leakage current. The CRP relays are blind to leakage currents up to 3.5 mA. 

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Parts Input current at nominal voltage, typ Input current max Input current at nominal voltage, max Power consumption Response time Release time Input voltage ac min Input voltage ac max Input voltage max Switching voltage Turn-off voltage Input impedance, typ Input voltage nom Leakage current Temperature operational min Material Price
15 mA
20 ms
60 ms
16 V
14 V
4 kΩ
24
-40 °C
6 mA
50 ms
50 ms
80 V
60 V
21 kΩ
120
1 µA
-40 °C
5 mA
50 ms
50 ms
160 V
120 V
50 kΩ
230
1 µA
-40 °C
8 mA
7 mA
20 ms
40 ms
140
80 V
60 V
17 kΩ
120
1 µA
-25 °C
PBT
6,5 mA
7,5 mA
40 ms
40 ms
190 V AC
265 V AC
140 V
120 V
35 kΩ
230
1 µA
-40 °C

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