ATEX Limit switch box, position control / remote control, 3 positions

DESCRIPTION

- Limit switchbox with 4 Ex d certified mechanical switches. Rotary position indicator for valves and actuators.

It permits to execute the following functions :

- closing of the valve
- partial opening of the valve, on a pre-determined position by the adjustement of the cams
- maintaining this position even in case of air leak (regulation)
- total opening of the valve
- valve position control

CERTIFICATION

- Directive 94/9/CE : INERIS 03 ATEX 0183 X
- Marking : II 2 GD Ex ed IIC T6 Ex tD A21 IP65 T85°C

BOX

- Materials : Aluminium or polyester
- Size : 220 x 120 x 90mm
- Weight : -- kg with bracket
- Ingress Protection : IP 66
- Temperature of service : -20°C < T amb < +40°C
- Position indicator : At the bottom
- Mounting : ISO F05
- Bracket : NAMUR shaft and bracket stainless steel, compliant VDI/VDE 3845

SWITCHES

- Mechanical : CROUZET, ...
- Voltage : Depends on microswitch
- Function: SPDT, DPDT
- Switching : By adjustable cams

ELECTRICAL CONNECTION

- Terminal block
- 2 Conduit entries : M20x1,5
- Cable gland polyamide input for 8 to 12 mm cable

OPTIONS

- Air breather GORTEX ® (IP65)
- Cable gland in other material
- Additional cable gland