Grounding Control Device EKX-4

Description

Monitored grounding during loading and unloading inflammable liquids or solids in tank trucks, silo trucks and railway wagons
For use in gas and dust hazardous areas of zone 1 (equipment category II 2 G) and 21 (II 2 D)
Prevents manipulation due to object recognition
Controlled derivation of the static electricity
Immediate interruption of the loading operation when unsafe grounding connection occurs
According to all currently relevant EMC and ATEX directives
High functional safety according to EN 61508 / SIL 2 (Hardware-Assessment)

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Dr. Alexander Zelck
Sales & Product Lead Gas-Ex

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

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 tb [ib] 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 “intrinsic safety“ Ex ib 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