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Current Location: vtovalve >> Products >> Accessories >> Limit Switch >> ALS400M5 Limit Switch Box, ALS400M5 Series Valve Monitor

ALS400M5 Limit Switch Box, ALS400M5 Series Valve Monitor

ALS400M5 Limit Switch Box, ALS400M5 Series Valve Monitor


Product Name

Limit Switch Box, Valve Monitor

Model No.

ALS400M5

Overview

The ALS400M5 Limit Switch Box (Valve Monitor) is a rotary position indication device suited for HAZARDOUS area (Exd II CT6). Armed with mechanical switch (2-DPDT), this device can doubly sense valve positions (on/off) for remote PLC or PC indication and control. The visual indicator on the top of the device can also clearly display the valve position for local detection.

Approved

Certificate of ALS400M5 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 14
 Mounting Bracket MB - 3.4: 30 x 80, 130 H : 20, 30 (Carbon steel) 
 Temperature Rating -20℃ ~ 85℃
Sensor: 2 DPDT CROUZET Mechanical Switches
 Model No. M4 (2 DPDT)
Operating Voltage Max: 15A 125~250VAC
Operating Temp. -25℃~+85℃

Wiring Diagram (2 DPDT)

Wiring Diagram of ALS400M5 Series Limit Switch Box

Drawing and Dimension

Drawing Dimension of ALS400M5 Series Limit Switch Box