Atex applications
from pi safety

pi safety: Your specialist for explosion protection made in Germany.

We offer our customers innovative electric actuators, transmitters and sensors for ATEX applications in potentially explosive atmospheres. Our EASY-SAFE-SMART concept guarantees simple installation, maximum safety and intelligent functionality.

Discover our reliable products for your demanding process and building automation tasks.

Actuators Transducers & Sensors Switching Relais & Sensors Volume Flow Controller

Actuators for applications in potentially explosive areas

QT.Ex-M, Electric Actuators,
explosion protected

ATEX / IECEx / UKEx / KC / INMETRO / EAC certified
Integrated terminal box
Ambient temperature -40…+70 °C
Optional control / feedback 0…10 V; 4…20 mA
IP66
For use in Zone 1, 2, 21, 22
Stainless steel / polymer compound material for highest
Corrosion resistance
Optional safety setting / spring return

Technical data

Specification	II2(1)G Ex db eb ib mb [ia Ga] IIC T4 Gb II2(1)D Ex tb [ia Da] IIIC T130°C Db II2 G Ex h IIC T4 Gb II2 D Ex h IIIC T130 °C Db
Manufacturer	pi safety components
Auxiliary Switch	5° / 80° switching points max 250 V / 0.1 A min. 5 V / 5 mA
Rotation Angle	95° (5° pre-tension)
Axis Mount	12 x 12 mm (double square)
Power Consumption	5 W / 7 VA Holding position 20 W / 30 VA Motor 30 VA / 2 A Dimensioning
Humidity Range	0...95% r.H. without condensation
Temperature Range	-40...+70°C
Housing Material	High-tech polymer Halogen- and silicone-free
Housing Protection	IP66
Dimensions	Approx. 320 x 120 x 85 mm

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TR.Ex & IY.Ex Sensors with analog output for applications in potentially explosive areas

TR.Ex Transducer,
explosion protected

Specifications:

II2(1)G Ex eb mb ib [ia Ga] IIC T4 Gb
II2(1)D Ex tb ib [ia Da] IIIC T130°C Db
Universal transmitter for installation in Zone 1 / 2 / 21 / 22
Ambient temperature -40…+70°C
IP66
Temperature class T4 for all gases and dusts
Locally configurable; Display
Stainless steel / polymer compound material
For highest corrosion resistance
Feedback: 0...10 V or 4...20 mA
No additional barrier required in control cabinet
LED status indicator
Easy installation
24 VAC / DC
For IY.Ex sensors

IY.Ex Sensors

Specifications:

II 1/2G Ex ia IIC T6/T5/T4 Ga/Gb
II 2D Ex ia IIIC T75°C-T145°C Db
Intelligent sensor concept for connection
(M12 connector) to TR.Ex universal Ex-transducer
Stainless steel / polymer compound material
for maximum corrosion resistance
Fast sampling rate up to 125 ms
for pressure sensors
Room sensor for dircect connection
For measuring in zone 0, 1, 2, 21, 22
Other sensors with M12 sensor cable
(1 Meter included, other lengths available)
For use with Tr.Ex Transducer

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SW.Ex Sensors with binay output for applications in potentially explosive areas

SW.Ex Switching Relais,
explosion protected

Specifications:

II2(1)G Ex eb mb ib [ia Ga] IIC T4 Gb
II2(1)D Ex tb ib [ia Da] IIIC T130°C Db
Universal Ex switch amplifier for installation in Zone 1 / 2 / 21 / 22
Two configurable switching points / relay outputs
Ambient temperature -40…+70 °C
IP66
Temperature class T4 for all gases and dusts
Adjustable hysteresis
Locally configurable, display
Stainless steel / polymer compound material for highest corrosion resistance
No additional barrier required in control cabinet
LED status indicator
Easy installation
24 VAC / DC
For IR.Ex sensors

IR.Ex Sensors

Specifications:

II 1/2G Ex ia IIC T6/T5/T4 Ga/Gb
II 2D Ex ia IIIC T75°C-T145°C Db
Intelligent sensor concept for connection
(M12 connector) to SW.Ex universal Ex-transducer
Stainless steel / polymer compound material
for maximum corrosion resistance
Room sensor for dircect connection
For measuring in zone 0, 1, 2, 21, 22
Other sensors with M12 sensor cable
(1 Meter included, other lengths available)
For use with SW.Ex Transducer