Evaluation unit NLSW45-3 Ex, flow monitoring for ATEX areas

✅ Air flow monitor for monitoring air flow in ATEX zones 1 and 2 (optionally also with SIL1 or SIL2 certification)

✅ With switching output (1 NO/ 1 NC) for switch cabinet installation

✅ Type-tested by TÜV NORD in accordance with DIN EN 61010-1: 2011-07

✅ Large measuring range (0.1 ... 30 m/s), quick and easy commissioning

✅ Example areas of application: Monitoring of heating registers, air curtain systems, control dampers, fans, DDC, industrial ovens, granulate dryers

Detail

Parameters

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使用说明书

Medium
Gases
Device type
Flow evaluation unit for switch cabinet installation
Flow range
0.1 ... 20 m/s
Medium temperature
0 ... 60°C
Display
LED (voltage & switching point)
Switching point
Stepless adjustment (potentiometer)
Protection class evaluation unit
IP40
Special features
2 Zener barriers included in the scope of delivery , Start-up override 5-60 sec, Additional external start-up override
Output signal
Switching output
Switching output specification
1 changer
Sensor break output signal
Relay drops out
Sensor short-circuit output signal
Relay drops out
Relay output specification
1 changer
Housing material
Polycarbonate glass fiber reinforced (UL94V-0)
Housing dimensions
120 mm x 45 mm x 73 mm
Mounting
DIN rail, to be mounted outside the ATEX zone
Power supply
24 V DC ±5%, 24 V AC ±5%, 230 V AC ±5%
Electrical connection
Terminal strip
Max. power consumption
3 VA
Recommended cable cross-section
2.5 mm²
Current and contact rating
250 VAC, 8 A, 2 kVA
Minimum switching capacity
10 mA, 5 V DC
Ambient temperature
-20 ... 50°C
Certificates
CE, Type-tested by TÜV Nord in accordance with DIN EN 61010-1 2011-07
ATEX certification
II 3G Ex ic IIC T4 Gc, simple electrical equipment; Zone 1
SIL level
none
Country of origin
Germany
Customs tariff number
90 26 80 20
HS code
90 26 80