• Prevents manipulation due to object recognition (by measuring the impedance)
  • Opening of the housing during operation in gas hazardous areas is allowed
  • Automatic diagnosis system self-monitors all safety-related functions continuously
  • Due to the cable compensation, it is also possible to connect cables up to 30 m
  • NAMUR-compatible Ex i control output

Timm EKX-4 Grounding Control Device application top loading tank trucks
(To enlarge please click on the picture!)
  • Ensures safe grounding before and during the loading operation
  • For use in gas and dust hazardous areas of zone 1 (equipment category II 2 G) and 21 (II 2 D)
  • Controlled derivation of the static electricity
  • Immediate interruption of the loading operation when unsafe grounding connection consists
  • According to all currently relevant EMC and ATEX directives
  • High functional safety according to EN 61508 / SIL 2 (Hardware-Assessment)
  • Device configuration (e.g. “road tank truck“, “railway tank wagon“) via internal switches
  • Easy adjustment of limit values for object detection to local conditions
  • Continuous self-monitoring of the redundant output signal
  • Additional control output
  • Multicolored LED-display to indicate the operating status, failure diagnosis and object recognition settings
  • Extremely sturdy housing, especially resistant to chemicals and other environmental influences
Type of Protection:According to ATEX-standard 2014/34/EU:
Ex II 2 G – Ex e q [ib] IIC T4 Gb
Ex II 2 D – Ex t [ibD] IIIC T80°C Db
EC Type Examination:TÜV 11 ATEX 080882
Power Supply:230 V AC ± 10 %, 50 Hz, ca. 10 VA
type of protection “increased safety“ Ex e
Measuring Circuit:Max. Uo = 6, 7 V; Io = 68 mA; Po = 114 mW
Max. 50 m (ex related specification, functional limitations must be observed)
Type of protection Ex ib / ibD
Only for connection of the grounding cable
The measuring circuit is grounded
Contact Release Output:Switching power max 250 VAC 3 A 100 VA
Type of protection “increased safety“ Ex e
2 voltage free closing contact, internal monitored
Auxiliary Output:Switching power max. 250 VAC 3 A 100 VA
Type of protection “increased safety“ Ex e
voltage free changeover contact, not monitored
Electronic Release Output:Max. Ui = 20 V Ii = 20 mA Pi = 400 mW
Inner capacitances Ci negligibly small
Inner inductances Li negligibly small
Type of protection “increased safety“ Ex e
1 NAMUR-compatible transistor output
Internal resistance: 1 kΩ or 11 kΩ
Modulation: 10 Hz, duty factor 1:1
Protection of Enclosure:IP65
Operation Temperature:- 30 °C up to + 60°C
Dimensions (W x L x H):170 mm x 306 mm x 110 mm
Weight:approx. 4.5 kg
DocumentLanguageDownloadAs from
Product Flyerdeutsch Germanpdf downloads2017-09-13
Product Flyerenglisch Englishpdf downloads2017-09-13
Product Flyerrussisch Russianpdf downloads2017-09-13
Product Flyerfranzösisch Frenchpdf downloads2017-09-13
Product Flyerchinesisch Chinesepdf downloads2017-09-13
Technical Descriptiondeutsch Germanpdf downloadsVersion 1.33
Technical Descriptionenglisch Englishpdf downloadsVersion 1.33
Technical Descriptionrussisch Russianpdf downloadsVersion 1.0
Technical Descriptionchinesisch Chinesepdf downloadsVersion 1.0
Technical Specificationsdeutsch Germanpdf downloads2017-05-23
Technical Specificationsenglisch Englishpdf downloads2017-05-23
Dimensional Drawingdeutsch Germanpdf downloads2016-06-10
Dimensional Drawingenglisch Englishpdf downloads2016-06-10
Configuration Overviewdeutsch Germanpdf downloads2017-05-17
Configuration Overviewenglisch Englishpdf downloads2017-05-17

Please get in touch with our sales department for the operating manual, the EC-Type-Examination, the EU Declaration of Conformity and the 3D CAD/.step file.

Would you like to contact us regarding offers, orders or technical advice? You can find your personal contact person under Contact.

Answers to frequently asked questions can also be found under FAQ.

Different Lengths
335,00 510,00 
Different Lengths
335,00 510,00 
Different Lengths
215,00 220,00 
Different Lengths
145,00 190,00 
Different Lengths
145,00 190,00 
Different Lengths
900,00 930,00 
Different Lengths
900,00 930,00 

EKX-4 Configuration Overview

For a better overview of all EKX-4 accessories, we provide you with a configuration overview. Click on the image to enlarge it or download the image in original size here:

EKX-4 Konfigurationsübersicht