Ex e ib mb IIC T5 GbEx ib tb III C T100°C Db IP64
This certificate is issued as verification that a sample(s), representative of production, was assessed and tested and found to comply with the IEC Standard list below and that the manufacturer's quality system, relating to the Ex products covered by this certificate, was assessed and found to comply with the IECEx Quality system requirements. This certificate is granted subject to the conditions as set out in IECEx Scheme Rules, IECEx 02 and Operational Documents as amended.
This Unit verification certificate is issued as verification that the Apparatus identified on page 1, was assessed and tested and found to comply with the IEC Standard list below. This certificate is granted subject to the conditions as set out in IECEx Scheme Rules, IECEx 02 and Operational Documents as amended.
The apparatus and any acceptable variations to it specified in the schedule of this certificate and the identified documents, was found to comply with the following standards:
As this is a Unit Verification Certificate, no QAR is applicable as this certificate is specific to the items listed by serial number or other unique identification.
The Telephone Unit type 229A1 or 229A2, is a telephone intended for the transmission of electric signals to a Private Automatic Branch eXchange
The telephone is composed of:
- a casing protected by increased safety which contains:
- a telephone headset protected by intrinsic safety, - a second receiver, in option, including a standard ear-phone also protected by intrinsic safety - a headset, in option, according to maximum coils and capacities allowed by the intrinsic safety circuit.
The casing, made out in polycarbonate stainless steel filled compound, painting in option, is composed of a body closed by a lid maintained by 4 screws. The Telephone Unit type 229A1 is provided with an backplate behind the keyboard sealed by silicone while the keyboard of the type 229A2 is sealed with neoprene directly to the coverplate without the backplate. The enclosures get the degrees of protection IP64 in accordance with IEC 60529.