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Spark protection barrier
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БІЗ-21-T01
БІЗ-21-T02
БІЗ-21-T02
Intrinsic Safety Level of the Electrical Circuit:
II(1)G[ExiaGa]IIC
II(1)G[ExiaGa]IIC
II(1)G[ExiaGa]IIC
Number of protection circuits in the barrier:
1
1
1
Barrier type:
passive
passive
passive
The maximum permissible voltage value (Um) at which the intrinsic safety of the circuit is ensured:
250 V
250 V
250 V
Designed to protect:
Resistance temperature transducers (three-wire circuit)
Resistance temperature transducers (four-wire circuit)
Thermocouple
Maximum barrier output voltage (U0):
13.8 V
13.8 V
13.8 V
Maximum barrier output current (I0):
116 mА
116 mА
116 mА
Barrier resistance:
From 140 to 162 Ohms
From 140 to 162 Ohms
From 140 to 162 Ohms
Resistance of one branch of the barrier:
From 70 to 81 Ohms
From 70 to 81 Ohms
From 70 to 81 Ohms
The difference in resistance between the branches:
0.02 Ohm
0.02 Ohm
Not normalized
Maximum permissible capacitance of the protected circuit (C0):
0.68 μF
0.68 μF
0.68 μF
Maximum permissible inductance of the protected circuit (L0):
1 mH
1 mH
1 mH
Fuse operating current:
50 mА
50 mА
50 mА
Leakage current for input voltage, no more than:
= 24 V: not supported
= 4 V : 1 μA
= 0.1 V: 0.1 μA
= 24 V: not supported
= 4 V : 1 μA
= 0.1 V: 0.1 μA
= 24 V: not supported
= 4 V : 1 μA
= 0.1 V: 0.1 μA
Installation type:
DIN-rail
DIN-rail
DIN-rail
Overall dimensions:
82х23х99 mm
82х23х99 mm
82х23х99 mm
Ambient temperature:
-40 °C to +70 °C
-40 °C to +70 °C
-40 °C to +70 °C