
The ITS series from Susin are position monitoring switch boxes for rotary valves and NAMUR actuators, with a 0°–90° dome indicator. Three models: the weatherproof ITS 200 for small actuators, the explosion-proof ITS 400 (Ex d IIC T6, Zone 1 and 2) and the ITS 500 in 316L or Duplex stainless for offshore and corrosive sites.
IP67 / IP68
Ex d IIC T6 (ITS 400 / 500)
2-SPDT or Proximity
-20°C to +80°C
IP67 (standard) / IP68 (optional)
Ex d IIC T6, EN 50014 & 50018, Zone 1 & 2 (ITS 400 / 500)
8 terminals (6 for switches, 2 for solenoid valve power)
2 × SPDT Mechanical or Proximity Sensors
Dome indicator — 0° to 90° position travel
NAMUR standard shaft for actuator mounting
Aluminium die-cast (ITS 200 / 400); 316L or Duplex stainless (ITS 500)
Corrosion-resistant epoxy-polyester coating
-20°C to +80°C
NPT1/2 (ITS 200); 2 × PF3/4 (ITS 400 / 500); M20, BSP, PT, PG13.5, PF options
ITS 200, ITS 400, ITS 500
Susin Group (ISO 9001:2015 Certified)
| Model | Type | Enclosure | Housing | Cable entries | Temperature | Switch options |
|---|---|---|---|---|---|---|
| ITS 200 | Weatherproof | IP67, O-ring sealed | Aluminium die-cast, epoxy-polyester inside and outside | NPT1/2 (M20, BSP, PT, PG13.5, PF options) | -20°C to +80°C | 2-SPDT mechanical (Form C); P&F proximity option |
| ITS 400 | Explosion proof | Ex d IIC T6, IP67 (IP68 option), EN 50014 / 50018, Zone 1 & 2 | Aluminium die-cast, epoxy-polyester outside | 2 × PF3/4 (other threads optional) | -20°C to +80°C (~100°C and -40°C options) | 2-SPDT; DPDT, P&F / Autonics proximity, magnetic sensors, 0–1 kΩ / 4–20 mA transmitter |
| ITS 500 | Special material | As ITS 400 | 316L or Duplex stainless steel, unpainted | 2 × PF3/4 (other threads optional) | As ITS 400 | As ITS 400 |
Explosion Proof (ITS 400 / 500)
Ex d IIC T6 enclosure built to EN 50014 and 50018, suitable for Zone 1 and Zone 2 hazardous areas.
Stainless for Offshore (ITS 500)
316L or Duplex stainless steel housing for extremely corrosive environments and offshore service; same internals as the ITS 400.
IP67 / IP68 Protection
Standard IP67 with IP68 optional for installations requiring submersion protection in wet or wash-down environments.
0°–90° Dome Indicator
Clear visual dome indicator covering the full 0° to 90° valve travel range for instant on-site position confirmation.
NAMUR Shaft Mounting
NAMUR standard shaft ensures direct, tool-free mounting compatibility with all major pneumatic and electric actuator brands.
Mechanical or Proximity
2 × SPDT mechanical switches (Form C) as standard; options for DPDT switches, P&F or Autonics proximity sensors, magnetic sensors and a 0–1 kΩ / 4–20 mA position transmitter.
Aluminium or SS Housing
Aluminium die-cast housing with epoxy-polyester coating (nylon or special colour coating optional); 316L or Duplex stainless on the ITS 500.
Wide Temperature Range
-20°C to +80°C as standard, with higher (~100°C) and lower (-40°C) temperature options on the ITS 400 / 500.
Multiple Cable Entries
NPT1/2 on the ITS 200 and 2 × PF3/4 on the ITS 400 / 500, with M20, BSP, PT, PG13.5 and PF threads as options.
Three Models
ITS 200 weatherproof for small actuators, ITS 400 explosion proof for hazardous areas, and ITS 500 stainless for corrosive and offshore sites.
IP67 / IP68
Ingress Protection
Ex d IIC T6
Explosion Proof
3 Models
ITS 200 · 400 · 500
-20°C to +80°C
Temperature Range
UK Based
Technical Support