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Ex-QFS-3x configure
EF2...5 configure
Ex-QFS-3x
Mercury-free float switches with Ex approval
These float switches have a mercury-free switching system consisting of a microswitch and a ball which actuates this switch.
Technical Data
- Protection class EN60529 : IP 68
- Material Float : PP
- Cable : TPK (PVC Basis), PVC Basis verstärkt, Polyurethan, Silikon, Teflon, Ethylen-Acrylat-Kautschuk
- Conductor cross-section : 3x 0,75 mm², Polyurethan 3x 0,5 mm²
- Operating temperature TPK(V) : AEM Kabel max.+ 60 °C
- Operating temperature PUR cable : max.+ 70 °C
- Operating temperature SIL, FEP cable : max.+ 85 °C
- Operating pressure : max. 1 bar Zylinder| max. 2 bar Kugel
- Switching system : Mikroschalter
- Contact type : Wechsler, NO, NC
- Electrical connection data, Ex-protection : siehe EG-Prüfbescheinigung TüV 09 ATEX 555342
- Inductive/capacitive loads : Unbedingt Kontaktschutz vorsehen
- CE marking : siehe Konformitätserklärung
- Weight : ca. 200 g
Media density Ex-QFS-30
- TPK(V) cable : ρρ 0,85 g/cm³
- PUR cable : ρρ 0,95 g/cm³
- SIL cable : ρρ 0,90 g/cm³
- FEP cable : ρρ 0,95 g/cm³
- AEM Cable : ρρ 0,90 g/cm³
Media density Ex-QFS-31
- Sphere : ρρ 0,60 g/cm
Mounting position
- Ex-QFS-30 : waagerecht mit G1” Verschraubung, senkrecht mit Beschwerungsgewicht (Ex)
- Ex-QFS-31 : waagerecht mit Flansch ab DN 100 (PP)
EF2...5
Conductive Electrodes with general approval for constructions
Conductive electrodes type EF2...5 are approved by the “DIBt” (German Institute for Structural Engineering) as liquid level limit switches for the overfill protection of containers for storing water-endangering liquids
Properties
- Protection class EN60529 : IP 65
- connection thread : G1" | G1¼" | G1½"
- Union nut : G2¾" | S 100x8
- Operating temperature PE / PVC : atmospheric
- Operating temperature PPH : 90°C
- Operating temperature PTFE : 100°C
- Operating pressure : atmospheric
- Resistance value of line monitoring : 22 kΩ / 100 kΩ
- Spacer form length > 1000 mm : 1 per 1000 mm
- rod length : max. 6.000 mm
- Rod diameter : 4mm | 6 mm
Material
- Screw connection : PPH | PE | PVC | PTFE
- Sensor rods : Edelstahl (1.4571), Hastelloy C, Titan, Tantal
- Coating : PTFE
- ltdata. :
ER-104
1-channel electrode relay
Electrode relays for conductive level detection for all areas in which conductive, liquid media are to be detected, controlled or monitored
Properties
- Protection class EN60529 clamp : IP 20
- Protection class EN60529 front panel housing : IP 40
- Operating temperature : –20...+60 °C
- Storage temperature : –30...+80 °C
- Weight : ca. 150g
- ltdata. :
Power supply
- nominal voltage : siehe Typenschlüssel
- AC nominal frequency : 48...62 Hz
- Power consumption : max. 1 W / VA
Input
- Open circuit voltage : ≤ 10 V AC
- Short-circuit current : ≤ 5 mA
- Switching delay : siehe Typenschlüssel
- Sensitivity range : siehe Typenschlüssel
Output
- Contacts : potentialfreie Wechselkontakte
- Switching voltage(min) : 5 V
- Switching voltage (max) : 250 V AC / 150 V DC
- Overvoltage category : EN 61010-1 Kategorie III
Switching current
- Switching current : min. 5 mA
- Switching current : max. cos φ =1 5 A
- Switching current : max. cos φ = 0,7 3 A/AC
- Switching current : max. cos φ = 1
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