SMART FLAME PROOF TELEPHONE MODEL-NTF-4600 :

1) Phone line 24 VOLTS - 50 VOLTS.

2) FLAMEPROOF CONSTRUCTION as per IS 2148-2004
    ( IEC 60079-1/2001 ).

3) FOR GROUP IIA AND IIB.

4) General design , rating, performance & T-class
    IS:13346-2004 ( IEC 60079-0/2000 )

5) WEATHERPROOF CONSTRUCTION IP55 as per
    IS 12063-1987/IEC 60529/1989.

6) Certified by CIMFR DHANBAD, INDIA.

7) Aluminum die casting body LM-6 .

.