FC4‚ FC4 L, FC4 Ex (HS), FC4 L Ex (HS)
Applied standards
Mimimum requirements
headphones /
for the
headset to be connec-
ted to a
FC4 (L) Ex HS
According to EC Prototype Test Certificate for explosion
protection:
EN 60079-0
EN 60079-11
EN 61241-0
EN 61241-11
The FC4 (L) Ex HS provides the following maximum
data at the socket for the
U
= 4,2 V and I
o
headphones / headset to be connected to the
The
handset FC4 (L) Ex HS has to meet the following condi-
tions:
Approval according to
≥
U
4,2 V and I
I
Input capacitance C
Input inductance L
Ex – Technical data / accessories
headphones / headset:
= 350 mA
o
II 2 G Ex ib IIC T4
≥ 350 mA
I
≤ 1 µF
I
≤ 300 µH
I
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