ALS400M2F Limit Switch Box, ALS400M2F Valve Position Transmitter Monitor
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Current Location: vtovalve >> Products >> Accessories >> Limit Switch >> ALS400M2F Limit Switch Box, ALS400M2F Valve Position Transmitter Monitor

ALS400M2F Limit Switch Box, ALS400M2F Valve Position Transmitter Monitor

ALS400M2F Limit Switch Box, ALS400M2F Valve Position Transmitter Monitor


Product Name

Limit Switch Box, Valve Monitor

Model No.

ALS400M2F

Overview

The ALS400M2F Limit Switch Box (Valve Position Transmitter Monitor) is a rotary position indication device suited for HAZARDOUS area (Exd II CT6). Armed with mechanical switch and position transmitter, this device can sense mechanical position (on/off) as well as the position change (0°~90°) of valve and output 4~20mA 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 ALS400M2F 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 10
 Mounting Bracket MB - 3.4: 30 x 80, 130 H : 20, 30 (Carbon steel) 
 Temperature Rating -20℃ ~ 85℃
Position Transmitter (F)
Input Type 2 wire Position Transmitter of ALS400M2F Series Limit Switch Box (ALS400M2F Series Valve Monitor)
Input Signals 0°~90°
Output Signals 4~20mA
Adjustable Range Zero:±10%  Span: 30~150%
Linearity ±1%
Sensitivity ±0.2%
Supply Voltage 15~30VDC
Sensor: 2 SPDT CROUZET Mechanical Switches
 Model No. M2 (2 SPDT) Sensor of ALS400M2F Series Limit Switch Box (ALS400M2F Series Valve Monitor)
Operating Voltage Max: 15A 125~250VAC
Operating Temp. -25℃~+85℃

Wiring Diagram

Wiring Diagram of ALS400M2F Series Limit Switch Box

Drawing and Dimension

Drawing Dimension of ALS400M2F Series Limit Switch Box