Eaton’s Crouse-Hinds series MEDC DB7 range of ruggedized, intrinsically safe and weatherproof sounders features high ingress protection and is designed for use in potentially explosive atmospheres. Suitable for marine and both onshore and offshore environments in the oil, gas and petrochemical industries.
The unit is available in 12V and 24V versions and for gas groups IIB or IIC.
A weatherproof, uncertified version is available for use in non-explosive atmospheres.
Design features
- IP66 & IP67
- Certified temperature: –67°F to 158°F, –55°C to +70°C
- Corrosion resistant red painted GRP
- 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
- 27 tones, user selectable
- Tones comply with UKOOA/PFEER guidelines
- Any two tones may be switched by the external voltage supply
- Voltage: 2V or 24V via suitable barrier
- Current Consumption: 24V models 34mA – 68mA; 12V models 25mA – 55mA
- Retained stainless steel cover screws
- Entries: Up to 3 x M20 via knockouts
- Terminals: 8 x 2.5mm2
- Labels: Duty and tag labels available
- Weight: 1.0 kg
Standard materials
- UV stable glass reinforced polyester (GRP)
- Retained stainless steel cover screws
- Painted red as standard or to customer specification