ATEX Sounders Zone 1 & Zone 2 Intrinsically Safe Weatherproof Ex ia – Eaton MEDC DB7 Hazardous Area Sounder
Eaton MEDC DB7 are ruggedised, intrinsically safe and weatherproof ATEX sounders intended for use in potentially explosive atmospheres.
The hazardous area sounders have been designed with high ingress protection to cope with the harsh environmental conditions found offshore and onshore in the oil, gas and petrochemical industries in ATEX & IECEx Zone 1 and Zone 2 hazardous areas.
The ATEX sounder is available in 12V and 24V versions and for gas groups IIB or IIC.
A lower cost, uncertified version is available for use in non-explosive atmospheres.
ATEX Sounders Zone 1 & Zone 2
- Zones 0, 1, 2 and safe area use.
- Exia IIB/IIC T4.
- ATEX approved Ex II 1G.
- Weatherproof uncertified version.
- BASEEFA certified.
- TR CU certified.
- IP66 & IP67.
- Certified temperature: –55°C to +70°C.
- Corrosion resistant red painted GRP.
- Up to 110 dB(A) output.
- 27 tones, user selectable.
- Tones comply with UKOOA/PFEER guidelines.
- Any two tones may be switched by the external voltage supply.
- Retained stainless steel cover screws
MEDC DB7 Hazardous Area sounders
|Hazardous Area Certification|
|ATEX EEx ia||Cert. no. BAS00ATEX1260X. (Apparatus)|
Cert. no. 96D2362. (System)
Certified to: EN50014, EN50020, EN50039.
Ex II 1G, EEx ia IIC T4.
Ex II 1G, EEx ia IIB T4
|CUTR EEx ia||0Ex ia IIC T4.|
0Ex ia IIB T4.
Russian Fire Approved
|Material||UV stable glass reinforced polyester. Retained stainless steel cover|
|Finish||Painted red as standard or to customer specification|
|Voltage||12V or 24V via suitable barrier|
|Current Consumption||24V models 34mA – 68mA.|
12V models 25mA – 55mA
|Sound Output||107± 3dB(A) at 1 metre for 12V and 24V IIB versions.|
103± 3dB(A) at 1 metre for 12V and 24V IIC versions.
Typical value only – variable with tone
|Tone Selection||Switchable between any two of the 27 tones by reversing the|
polarity of the supply
|Certified Temp||–55ºC to +70ºC|
|Ingress Protection||IP66 & IP67|
|Entries||Up to 3 x M20 via knockouts|
|Terminals||8 x 2.5sqmm|
|Labels||Duty and tag labels available|
EATON MEDC db7 – ORDERING REQUIREMENTS
The following code is designed to help in selection of the correct Eaton hazardous area sounders with ATEX approval and certification. Build up the part number by inserting the code for each component into the appropriate box.
Eaton MEDC have developed ATEX products designed for harsh and hazardous area conditions and where there is a risk of explosion due to the presence of flammable atmospheres both onshore and offshore – since 1975 MEDC have been designers and manufacturers of alarm, signal, control and communications equipment. T&D distribute the extensive range of Eaton MEDC ATEX Certified manual call points, visual, audible alarms, loudspeakers and telephones for hazardous area workplaces, including Zone 1 & Zone 2 explosive atmospheres.
Thorne & Derrick, are the Explosive Atmosphere Experts, distributing an extensive range of ATEX Certified Equipment including heat tracing cables and systems, electrical heating products, electrical enclosures and plug/sockets outlets.
Complete range of LV-HV Cable Joints, Terminations, Cleats & Glands are available to support installation of power, control and instrumentation cables up to 33kV – includes Cold Shrink for use in hazardous areas to provide electrical insulation and cable protection.