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ATEX Explosion Proof Electric Vehicles

ATEX  - Explosion Proof Electric Vehicles

Some of our Alke electric vehicles have explosion-proof capabilities and are ideal for use in areas with potentially hazardous environments like chemical and petrochemical industries, production sites of mineral oil and natural gas, mining, tunnel construction and maintenance and many other sectors.

Our range of Alke electric vehicles with explosion-proof conversion are designed according to ATEX 94/9/EC for category 2 (zone 1) and 3 (zone 2), gas/ dust group IIA/IIB, temperature class T3 and for category M2 T450°C for underground activity inside not coal mines tunnels and M2 T150°C for underground activity inside coal mines tunnels.

Explosion-proof according to ATEX 94/9/EC
Coverage for category 2 and 3 (surface activity)
Coverage for category M2 (underground activity)

The conversion regards the general electric circuit, battery and battery connectors and all parts which might cause high temperatures or sparks for various reasons.

All original electronic components are treated in compliance with requirements for category 2, 3 and M2, specifically guaranteeing that none of them will be able to cause an ignition or explosion in the surrounding environment. These interventions specifically refer to:

Part of the vehicle Type of Protection (2G/2D/M2) Type of Protection (3G/3D)
Electric Motors Ex “e” for AC motors Ex “e” for AC motors
Solenoid valves Ex “m” Ex “n”
Sensors, transducers, micro switches Ex “i” / Ex “e” Ex “i” / Ex “n”
Control functions Ex “i” Ex “i” / Ex “n”

ATEX  - Explosion Proof Electric Vehicles

The surface temperature is checked by specific temperature sensors, according to the temperature class / temperature limit requested, to avoid the risk of overheating. If this occurs the vehicle will automatically shut down, lighting the indicator.

An earth leakage check system (only on 2G/2D/M2 versions) automatically shuts the truck down in case the max value should be exceeded, lighting the indicator on the dashboard panel.
An appropriate “Reset” pushbutton allows the truck to be moved out of the dangerous area in case of temperature and (only on 2G/2D/M2 versions) earth leakage sensor’s alarms intervention.
The electric wiring is done by using both armoured and unarmoured cables, blue cables for connection of components protected with intrinsic safety mode and with certified cable glands for proper category. Bipolar battery cut-off switch is provided.

On 2G/2D/M2 versions the vehicle battery is Ex-e type with refilling system. Battery connectors are Ex-d type certified. On 3G/3D versions battery and battery connectors comply with the standard EN 60079-15.

The disc or brake drums are provided with wear and temperature sensors to guarantee any possible wearing out of the braking material which might cause sparks due to the metal rubbing together and that a high friction temperature might exceed the value of the temperature class / limit.

On 2G/2D/M2 versions seats are covered with antistatic material and external surface of plastic components, when necessary, is treated with electro conductive coating.
All tyres are electroconductive. Accessories, such as flashing beacon, reversing beeper, headlights are explosion-proof.

First class performance and an extremely solid construction

Alkè models available with ATEX explosion-proof conversion are ATX210E and ATX240E, main differences between them are:

ATX210E ATEX ATX240E ATEX
Load capacity up to 500kg up to 1.000kg
Towing capacity up to 2.000kg up to 3.000kg
Batteries 8 kWh (std./gel cat. 2)
8.7 kWh (std./gel cat. 3)
14.4 kWh (std. cat. 2/3)
11.5 kWh (gel cat. 2/3)

These units have chassis treated with Cataphoresis anti-corrosion process and it is built using tubular steel sections dimensioned to support heavy duty operations.

The front bodywork of the vehicle, the control panel and coverings and the back of the cab are built in reinforced fibreglass and finished with car paint (fibreglass is flexible, resistant to blows and can be easily repaired in the case of accidents).

These models have AC motors with very high torque and smooth distribution which prevents skidding and loss of grip also on high risk land-types (sand, snow or ice) and guarantee start-up in ascent with hesitation.

Thanks to their special motors and CURTIS controllers, the ATXs raise the power, if necessary, by 8 kW nominal to a peak of 14 kW to allow operations even in the presence of uneven land and slopes.

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