原厂防爆电话机FHF Ex-ResistTel

FHF常规型号举例：
11286101	Ex-Telephone ResistTel black
11286201	Ex-Telephone ResistTel with blind plugs for metal cable gland M20 x 1.5
1128610102	Ex-Telephone ResistTel red
11286121	Ex-Telephone ExResistTel MB
1128610150	Ex-Telephone ResistTel GOST
11286101110	Ex-Telephone ResistTel UL black
1128610145	Ex-Telephone ResistTel black, Inmetro
11286102	Ex-Telephone ResistTel ZB black without keypad
11286202	Ex-Telephone ResistTel ZB with blind plugs for metal cable gland M20 x 1.5
1128610250	Ex-Telephone ResistTel ZB GOST without keypad
1128610202	Ex-Telephone ResistTel ZB red without keypad

FHF Ex-ResistTel 11286101

Connections
Types of protection 

II 2 G EEx em[ib] IIC T5     II 2 G EEx em[ib] IIC T6
II 2 D IP66 T100°C             II 2 D IP66 T80°C
-25°C ≤T a ≤60°C              -25°C ≤ T a ≤40°C
Approval: DMT 02 ATEX E 183
Line voltage: 24 V DC to 66 V DC
Line current: 15 mA DC to 100 mA DC
Ringing alternating current: 24VAC to 90 V AC (at 21...54 Hz ringing frequency)
                                        30VAC to 90 V AC (at 16,6...54 Hz ringing frequency)
Ringing impedance: Greater than 6,0 KΩ at 25 Hz and 24...90 V AC .
                              Greater than 4,0 KΩ at 50 Hz and 24...90 V AC .

                             PD operation where the pulse/pause ratio can be set to 1.5:1 or 2:1 in the menu.
W-conductor: Connection for external secondary sounder.
Screw terminals: Up to 4 mm 2 rigid. Up to 2.5 mm 2 flexible.


Housing
Material: Glass-fibre-reinforced polyester
Height x Width x Depth Approx. 266 mm x 227 mm x 135 mm
Weight Approx. 5.5 kg
Display: 2-line alphanumerical display with pictograms.
             Visible area approx. 78 mm x 26 mm.
Keypad: Metal keypad with ice protection.
             21 keys with ABC lettering for name entries.


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