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| 2 Wire- DC(Namur) Inductive Sensors |
Introduction-2 wire DC(Namur) SW 4052/5052:- The Namur type sensors are Intrinsically Safe Proximity Switches designed to work in the hazardous areas. The working voltage and current levels of these switches are restricted to safe values as per the recommended standards. These sensors are normally used with an external Power Supply Unit (Amplifier Unit) for proper operation.
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Common Specifications |
General Specifications |
Supply Voltage |
8.5 V DC |
| Switch Current |
I mA |
| Indication |
Green LED for NC Logic , Red LED for NC Logic |
| Other specifications are as per Specifications of 3 wire DC Proximity Switches. |
| Target |
Switch Current I mA |
| Absent |
4<I<5 |
| Present |
I<1 mA |
Sensors are Intrinsically Safe as per IS-5780 – 1980 and are CMRI, Dhanbad approved.
Sensors are to be used with Amplifier Unit (Power Supply Unit) type PSU 4052. |
| PSU Specification |
| a) Supply Voltage - 240 /110 V AC. |
b) Output Contacts - 1 NO + 1 NC. |
| c) Contact Rating - 5 A at 240 V AC. |
PSU approved by CMRI, Dhanbad.
Micro-controller based Power Supply Units are available with 2 Wire communication for inputs from multiple sensors. |
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Connection Diagrams |
Connection diagram for NAMUR 2 Wire DC Switch |
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| Range of 2 wire-DC (Namur) Sensors:- Cable Type |
Sr.# |
Model No. |
Dimensions |
Sensing
Range mm
|
O/P
Logic
|
Sensor Head
Mounting |
IDNOO1 |
BEE4052 -310-14- 10121 |
M12x1.0Px65L |
2.5 |
NO |
Flush |
IDNOO2 |
BEE4052 -310-14 10121 |
M12x1.0Px65L |
2.5 |
NC |
Flush |
IDNOO3 |
BEE4052 -310-14- 11121 |
M12x1.0Px65L |
4 |
NO |
Non-Flush |
IDNOO4 |
BEE4052 -310-14- 11121 |
M12x1.0Px65L |
4 |
NC |
Non-Flush |
IDNOO5 |
BEE4052 -310-14- 10181 |
M18x1.0Px65L |
5 |
NO |
Flush |
IDNOO6 |
BEE4052 -301-14- 10181 |
M18x1.0Px65L |
5 |
NC |
Flush |
IDNOO7 |
BEE4052 -310-14- 11181 |
M18x1.0Px65L |
8 |
NO |
Non-Flush |
IDNOO8 |
BEE4052 -301-14- 11181 |
M18x1.0Px65L |
8 |
NC |
Non-Flush |
IDNOO9 |
BEE4052 -301-14- 10301 |
M30x1.0Px65L |
10 |
NO |
Flush |
IDNO10 |
BEE4052 -301-14- 10301 |
M30x1.0Px65L |
10 |
NC |
Flush |
IDNO11 |
BEE4052 -310-14- 11301 |
M30x1.0Px65L |
15 |
NO |
Non-Flush |
IDNO12 |
BEE4052 -301-14- 11301 |
M30x1.0Px65L |
15 |
NC |
Non-Flush |
Sr.# |
Termination |
Load Current
mA |
Operating
Frequency Hz |
Visual Indication (LED) |
IDNOO1 |
Cable-2C, 2m, 0.2mm2, PVC |
200 |
1000 |
Red |
IDNOO2 |
Cable-2C, 2m, 0.2mm2, PVC |
200 |
1000 |
Green |
IDNOO3 |
Cable-2C, 2m, 0.2mm2, PVC |
200 |
1000 |
Red |
IDNOO4 |
Cable-2C, 2m, 0.2mm2, PVC |
200 |
1000 |
Green |
IDNOO5 |
Cable-2C, 2m, 0.2mm2, PVC |
400 |
500 |
Red |
IDNOO6 |
Cable-2C, 2m, 0.2mm2, PVC |
400 |
500 |
Green |
IDNOO7 |
Cable-2C, 2m, 0.2mm2, PVC |
400 |
500 |
Red |
IDNOO8 |
Cable-2C, 2m, 0.2mm2, PVC |
400 |
500 |
Green |
IDNOO9 |
Cable-2C, 4m, 0.2mm2, PVC |
400 |
200 |
Red |
IDNO10 |
Cable-2C, 4m, 0.2mm2, PVC |
400 |
200 |
Green |
IDNO11 |
Cable-2C, 4m, 0.2mm2, PVC |
400 |
200 |
Red |
IDNO12 |
Cable-2C, 4m, 0.2mm2, PVC |
400 |
200 |
Green |
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