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9
Technical data
9.1 Electrical data for Ex i devices
Switch
Approval
BGU-...I
Reed contacts
II 2G Ex ib IIC T6...T1 Gb
II 2D Ex ib IIIC T80°C...180°C Db
II 2G Ex ib IIC T6...T1 Gb
BGU-
VHT...I
II 2D Ex ib IIIC T80°C...205 °C Db
Type
BGU-...I
BGU-...NI
BGU-...RI
BGU-AIHI
BGU-AILI
Temper-
Switching capacity at max. permissible ambient temperature
ature
Initiator BGU-AIHI and BGU-AILI
class
T4, T3,
100°C Pi=64 mW, Ui=16V, Ii=25 mA (Li=100µH, Ci = 30nF)
T2, T1
89°C
74°C
T5
85°C
81°C
60°C
45°C
T6
70°C
66°C
45°C
30°C
KSR KUEBLER Betriebsanleitung Bypass-Magnetschalter– BGU-...I
Switching
element
Ex i
Reed contact
Ex i
Reed contact
with equivalent
circuit to
EN 60947-5-6
(NAMUR)
Ex i
Reed contact
with series resis-
tor 22 Ohm
Ex i
Initiator
Pi=169 mW, Ui=16V, Ii=52 mA (Li=100µH, Ci = 30nF)
Pi=242 mW, Ui=16V, Ii=76 mA (Li=100µH, Ci = 30nF)
Pi=34 mW, Ui=16V, Ii=25 mA (Li=100µH, Ci = 30nF)
Pi=64 mW, Ui=16V, Ii=25 mA (Li=100µH, Ci = 30nF)
Pi=169 mW, Ui=16V, Ii=52 mA (Li=100µH, Ci = 30nF)
Pi=242 mW, Ui=16V, Ii=76 mA (Li=100µH, Ci = 30nF)
Pi=34 mW, Ui=16V, Ii=25 mA (Li=100µH, Ci = 30nF)
Pi=64 mW, Ui=16V, Ii=25 mA (Li=100µH, Ci = 30nF)
Pi=169 mW, Ui=16V, Ii=52 mA (Li=100µH, Ci = 30nF)
Pi=242 mW, Ui=16V, Ii=76 mA (Li=100µH, Ci = 30nF)
Initiator
II 2G Ex ib IIC T6...T1 Gb
II 2D Ex ib IIIC T80°C...100°C Db
Switching capacity
≤ 36 V, ≤ 100 mA, Pi ≤ 0,84W
Ci = 0nF, Li = 0mH
DC ≤ 18,5V; ≤ 30mA; ≤ 0,4W
Ci = 0nF, Li = 0mH
≤ 36 V, ≤100 mA, ≤ 0,84 W
Ci = 0nF, Li = 0mH
The magnetic switch with initiator
may only be connected to a certi-
fied intrinsically safe circuit with the
data which can be discerned from
the following table.
53
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