Pneumatic Actuator Accessories

A250 Series Explosion Proof Limit Switch Boxes

Installation,
VDI/VDE 3845 Direct on Actuators
Switch Type,
Mechanical / Proximity
Position Indication,
3D Continuous Position Indicator
Atex Certificate,
Ex II 2G Ex d IIB T6/T5 Gb
Ex II 2D Ex tb IIIC T95 ºC IP66 Db

 

A250 Series Explosion Proof Limit Switch Boxes

A250 PSXM / PSXP Series PROVAL limit switch boxes are designed to integrate with pneumatically actuated quarter turn valve packages installed in potentially explosive environments and provide both visual and 
electrical indication of valve position.
 
 
• Powder coated,corrosion resistant die-cast alu body
• 3D continuous visiual position indicator
• Easily Adjustable,spring loaded cams
• Standard IP66 enclosure
• 2 Pc mechanical switches or Inductive sensors
• Easily adjustable brackets and suitable for all NAMUR VDI/VDE interface actuators
• Terminal strip with 8 points to allow for easy wiring and direct connection of solenoid valve inside the  switch box.
• Applicable also on manual valves.

Technicial Specifications

ATEX Gas Category
Ex d IIB T6/T5 Gb
ATEX Dust Category
Ex tb IIIC T85°C~100°C Db IP66
Installation
VDI/VDE 3845 Direct on Actuators
Switch Type
2 Pc Mechanical Micro / V3 or Proximity (2-3 Wire V3 Type)
Assembly Bracket
MB1 (80x30 H:20) / MB2 (80x30, 130x30 H:20-30) / MB3 (80x30, 130x30 H:40-50)
Terminal Wiring
8 Strip Terminal Wiring (Including Solenoid Valve Wiring)
Position Indictor
3D Open/Close (Standard), 3D L / T (3 Way Valves)
Conduit Entry
2xM20 (Ex d Cable glands are offered optionally)
Working Temperature
-20° ~ +80°C
Body Material
Powder Epoxy Coated Aluminum Die Casting (Optional PFA Coating)
Ingress Protection
IP67
Sealing Materials
NBR

Documents

Document Name Document Language Document Size Document Link
A250 Series Explosion Proof Limit Switch Boxes CatalogueENG500.66 Kb
A250 Serisi Ex-Proof Limit Switch Kutuları (Sınır Şalter Kutusu) KatalogTR398.67 Kb
A250 ATEX Certificate428.14 Kb