The LK NEO 8 EX pushbutton transmitter is a remote control unit suitable for environments with the risk of explosion, such as petrochemical, heavy industry, chemicals, pharmaceuticals, mining, marine & offshore. The transmitter, available 8 pushbuttons, complies with both the ATEX directive 2014/34/UE (zone 0/20 or zone 2/22) and the IECEx certification scheme (zone 0/20).

The LK NEO 8 EX can be combined with any of the receiving units in the AIR Series provided that the receiver is placed outside explosion-risk zone. An alternative option is to supply an Autec receiving unit inside an explosion-proof enclosure. Elma Systems has decades of experience when it comes to designing and installing Ex cabinets and enclosures.

Available accessories 

Shoulder strap, suited for use in areas with risk of explosion


Rotative switch
Side button

Applications LK NEO 12 EX

Power supply 3.7 VDC (Li-ion)
Frequency band 433.05-434.79 MHz (64 channels)
Typical working range up to 100 m
Average usage time with fully charged battery (continuous use at 20°C / 68°F) > 8 h with Li-ion battery
Safety performance of the STOP function (EN ISO 13849-1) up to PL d

ATEX marking:
- ATEX II 1G Ex ia IIC T5 Ga Tamb: -20/+50°C
- ATEX II 1D Ex ia IIIC T100°C Da Tamb: -20/+50°C
IEC Ex marking:
- Ex ia IIC T5 Ga Tamb: -20/+50°C
- Ex ia IIIC T100°C Da Tamb: -20/+50°C


- ATEX II 3G Ex ic IIC T5 Gc Tamb: -20/+50°C
- ATEX II 3D Ex ic IIIC T100°C Dc Tamb: -20/+50°C

Dimensions 207.5 x 85 x 49 mm
8.17 x 3.35 x 1.92 in
Weight 380 g
0.837 lb