• 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 eb 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 eb
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 eb
2 voltage free closing contact, internal monitored
Auxiliary Output:Switching power max. 250 VAC 3 A 100 VA
Type of protection “increased safety“ Ex eb
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

Please get in touch with our sales department for the operating manual and the 3D CAD/.step file.

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

Accessories for Grounding Control Device EKX-4

Get an overview of the various configuration options of Grounding Control Device EKX-4 by clicking on configuration overview.

For more information about the ATEX certified accessories for Grounding Control Device EKX-4, visit our online shop.

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You can also contact us directly at +49 40 248 35 63 – 0 or send an e-mail to info[at] to get further information.

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