Weather Proof Telephone FernTel3

Weather Proof Telephone FernTel3
Explosion Proof Telephone FernTel3
Item # 11240021
Shipping Weight 6.00 lbs
Warranty 1 Year
Lead Time Usually ships within 2 - 6 weeks/CALL FOR PRICE
Our Price:
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The new telephone for use in areas with hazardous atmospheres of zone 2 and 22. It’s housing is made of impact resistant and shockproof Polycarbonate and approved for Zone 2 and 22 according ATEX.

Within ranges of the chemical and petrochemical industry combustible atmospheres result again and again from process engineering operational sequence. Caused e.g. by gas, steam or nebula.

Its striking signal colour ensures the FernTel 3 / Zone 2 cannot be missed whenever a telephone is urgently needed in Zone 2 and 22.

The resistance of housing and use of screws of stainles steel are especially advantageous for use in areas with high air humidity and explosive atmospheres.

A deft hand movement and the desk telephone is converted into a wall telephone.

Connection data: Call frequency programmable: 16…68 Hz
Pulse-break ratio programmable: 1,5 : 1 60/40 ms - 2 : 1 66,7/33,3 ms
MFV According to CCITT Q23
Flash time Approx. 80 ms, 1 ms…999 ms programmable
Line voltage 24 to 66 VDC

Housing:
Height x width x depth Approx. 293 x 191 x 128 mm
Weight Approx. 2.3 kg
Operating position Desktop or vertical wall mounting

Handset:
Transmitter capsule Electret microphone

Connections:
Wire up to 0.25 mm2, wire to 2.5 mm2
Incoming telephone line TCP/La, TCP/Lb
Secondary bell w1, w

Ambient conditions:
Display -10°C to +55°C
Operating temperature -20°C to +55°C
Transport and storage temperature -25°C to +70°C
Protection degree IP 65

Conformity:
Net access, Acoustics TBR 21, TBR 38
Electrical Safety EN60950
Expl. protection class II 3 G Ex nA L IIC T5 - II 3 D Ex tD A22 IP65 80°C
Call tone ≥ 95 dB(A), 1 m
 

These items require specific customization. Please call us at 1-800-884-4835 if you are interested.

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