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ES-22 configure
EE-2X configure
NP-25X configure
BK-390 configure
ES-22
electronic safety pressure limiter with 2 safety functions
TÜV-certified, type-tested electronic safety switching device (SIL2)
Properties
- Operating voltage : 16...32 V DC (max. 5,9 W)
- Dimensions : 150 x 60 x 42 mm (L x B x H)
- Housing : Aluminium (eloxiert)
- Protection class : IP65
Approvals
- DGRL 2014/68/EU Kat:IV : Baumustergeprüft gemäß Druckgeräterichtlinie
- DIN EN12263:1998 : Kälteanlagen und Wärmepumpen Sicherheitsschalteinrichtungen zur Druckbegrenzung -Anforderungen und Prüfungen; Kategorie IV
- DIN EN378:2020 : Kälteanlagen und Wärmepumpen - Sicherheitstechnische und umweltrelevante Anforderungen
- DIN EN61508:2011 : SIL2
Measuring ranges
- Measuring range relative pressure (nominal pressure) : -1…500 bar
- Measuring range differential pressure (nominal pressure) : 0…1 mbar - 0…1.000 mbar
- Setting accuracy (from nominal pressure) : 0,1 %
Operating conditions
- Pressure type : Relativdruck, Differenzdruck
- Temperature of the fluid : -40…+125 °C
- Ambient temperature : -20…+65 °C
- Parts in contact with media : Edelstahl
process connection
- Version relative pressure : G ¼“ Innengewinde
- Version differential pressure : G ⅛“ Innengewinde
- Adapter for process connection : 6mm; 8mm oder 10mm
electrical connection
- Analogue current output : 1x 4…20 mA
- Digital inputs/outputs : 2x Alarm oder 1x Alarm & 1x Fernentriegelung
Load capacity of the switching contacts DC (24V)
- DC1 : 16 A
- DC13 : 1,5A
Load capacity of the switching contacts AC (230V)
- AC1 : 16 A
- AC3 : 10 A
- AC15 : 7 A
EE-2X
electrode, multiple for Ex-Zone 0 (Cat. 1)
The conductive electrodes of the EE-21/EE-22 series enable the monitoring of conductive liquids within the Ex area Zone 0 (Cat. 1).
Variants
- cable connection on side : EE-21
- cable connection on top : EE-22
Properties
- connection : Edelstahl (1.4571)
- Protection class EN60529 : IP65
- Ex-protection : TÜV 02 ATEX 1796 X
- Ex protection type : II 1 G Ex ia IIC T6 bzw. Ex ia IIB T6 / II ½ G Ex ia IIC T6 bzw. Ex ia IIB T6
- connection thread : G1" | G1¼"
- Cable entry EE-21 : Edelstahl (1.4571)
- Cable entry EE-22 : Kunststoff
- Rod diameter : 4 mm | 6 mm
- rod length : max. 6.000 mm
- Operating pressure media side : max. 40 bar
- Spacer : ab Länge > 1000 mm je 1 pro 1000 mm
Material
- electrode body : Edelstahl (1.4571)
- Seal (head) : Viton
- Seal (media side) : Viton | PTFE
- Potential equalisation conductor connection : Edelstahl (1.4571)
- electrode rods : Edelstahl (1.4571) | Hastelloy C | Tantal
- Coating : PTFE
Operating temperature
- Category 1 Class T6...T1 : 60 °C
- Category 2 Class T6 : 80 °C
- Category 2 Class T5 : 95 °C
- Category 2 Class T4 : 130 °C (100°C)
- Category 2 Class T3...T1 : 150 °C (100°C)
NP-25X
Pneumatic level switch
Reliable & simple probe for sensing aggressive, sticky or heavily contaminated liquids, especially suitable as overflow protection.
Properties NP-250 | NP-252
- Connection head : PA
- Protection class EN60529 Connection head : IP 54
- connection thread : ab G½”
- Container connection flange : ab DN 25
- Pitot tube material : PVC
- Material Screw connection : PVC
- Material flange : PVC
- Hose Ø : 16 mm / 25 mm
- Operating temperature : max. +60 °C
- medium temperatur : max. +60 °C
- Contact : Wechsler
- Switching voltage silver : 250 V AC
- Switching voltage gold : 24 V AC
- Switching current silver : 6 A
- Switching current gold : 100 mA
Properties NP-251 | NP-253
- Connection head : PS
- Protection class EN60529 Connection head : IP 54
- connection thread : ab G½”
- Container connection flange : ab DN 25
- Pitot tube material : 1.4571
- Material Screw connection : 1.4571
- Material flange : 1.4571
- Hose Ø : 15 mm / 28 mm
- Operating temperature : max. +60 °C
- medium temperatur : max. +90 °C
- Contact : Wechsler
- Switching voltage silver : 250 VAC
- Switching voltage gold : 24 V AC
- Switching current silver : 6 A
- Switching current gold : 100 mA
BK-390
Bistable change-over contact
Magnetically actuated changeover switch,
which permanently changes its electrical switching state as a result of a magnetic system passing by, depending on the direction of movement.
Properties
- Protection class EN60529 : IP 65
- Operating temperature : –25...+70 °C
- Wire cross-section max. : 1,5mm²
- Switching point distance between two contacts : min. 40 mm
- Switching hysteresis : ca. 10-15 mm
Material
- Housing : Polycarbonat
- Mounting clip : V2A, Kabelbinder (PP)
- Rivet : V2A
- Screw connection : M 20 x 1.5, Polyamid
Weight
- BK-390-50 : 137 g
- BK-390-63 / BK-380 : 140 g
Switching contact
- Switching voltage : 5...250 V AC/DC
- Switching current : 1mA...6 A AC/DC
- Switching capacity(min.) : 300 VA, 60 W
- Switching capacity(max.) : 5 mW
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