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Current Location: vtovalve >> Products >> Accessories >> Limit Switch >> ALS400PA23 Limit Switch Box, ALS400PA23 Series Valve Monitor

ALS400PA23 Limit Switch Box, ALS400PA23 Series Valve Monitor

ALS400PA23 Limit Switch Box, ALS400PA23 Series Valve Monitor


Product Name

Limit Switch Box, Valve Monitor

Model No.

ALS400PA23

Overview

The ALS400PA23 Limit Switch Box (Valve Monitor) is a rotary position indication device suited for HAZARDOUS area (Exd II CT6). Armed with inductive sensors, this device can sense valve positions (on/off) for remote PLC or PC indication. The visual indicator on the top of the device can also clearly display the valve position for local detection.

Approved

Certificate of ALS400PA23 Series Limit Switch Box

Specifications And Technical Data

Enclosure Die-casting aluminum: O-ring sealed
Coating Dichromate conversion with polyester powder coating
O-rings Buna N
Environment NEMA 4, 4X, 7, 8, IP66
Area Classification Class I Div 1&2 Groups A,B,C and D, Ex d II CT6, Ex II 2G Ex d II CT6
Fasteners Stainless steel
Shaft Stainless steel Namur
 Conduit Entries Two 1/2" BSPP
Also available with two 1/2" NPT, 3/4" NPT, 3/4" BSPP or M20-1.5
 Terminal Strip Contacts 8
 Mounting Bracket MB - 3.4: 30 x 80, 130 H : 20, 30 (Carbon steel) 
 Temperature Rating -20℃ ~ 85℃
Sensor: 2 ALPS Inductive Sensors (3 wire)
 Model No. PA23 Limit Switch of ALS400PA23 Series Limit Switch Box
Operating Voltage 10~30 VDC, <=150mA
Operating Temp. -25℃~+85℃

Wiring Diagram

Wiring Diagram of ALS400PA23 Series Limit Switch Box

Drawing and Dimension

Drawing Dimension of ALS400PA23 Series Limit Switch Box