Strana 43 z 44
Poznámky redaktora
Note Proof fulfillment the CTI requirements for the insulating materials must provided the manufacturer.0 0.1 1.5 1.8 1.5 1.5 32.6 100 100
90 4.6k 70.3 3.0 33.1 25.0 100.4 275 175
750 8.3 2.0 0.5 0.3 0.2 0.0 3.9 1.9 1.1 b); this example, the partition must end the base
T Distances based Table 5
d1 mm, when the cover conductive and grounded
d2 mm
d3 1.0 0.5 2.0 0.2 1.7 1.3 5.5 0.6 8.0 *
9.0 16.3 4.0 4.7k 22.0 2.2.0 9.7 0.5 2.8 1.7 0.0 6.0 10.0 1.7 2.0 0.0 2.6 1.1 1.6 100 100
190 5.0 5.0 5.7 0.2 0.3 1.0 16.5k 45.3 0.
Table Clearances, Creepage and Isolation Distances
1 7
Voltage
(Peak)
(V)
Clearance
(in mm)
Separation by
Encapsulation
(in mm)
Separation by
Fixed Insulation
(in mm)
Creepage Distance
through Air
(in mm)
Creepage Distance
beneath Protective Layer
(in mm)
Comparative Tracking
Index (CTI)
Protection Level ia, ia, ia, ia, ia, ib, ic
10 1.3 1.7 175 175
550 7.8 15.5 0.8 1.6 1.0 2.0 4.9 18.com
-- --
T
d3
d4
d2
d1
2
1
T Inside
Outside
Non-
intrinsically safe circuit
Intrinsically safe circuit
Intrinsically safe circuit
WAGO Rail-Mount Terminal Block Systems
Technical Information for Applications
Continued
General Technical Information Electrical Equipment
Used Hazardous Areas
Figure 1b: Example isolated intrinsically safe and non-intrinsically safe terminal blocks partition
Legend:
1 Cover: non-conductive conductive and grounded
2 Partition based 6.0 12.8 275 175
1575 16.0 6.0 13.7 49.0 0.0 4.0 15.4 0.0 2.0 2.6 1.3 --
30 2.6 10.2 2.42
www.1 175 175
375 6.wago.0 0.9 275 175
1000 10.0 1.
.6 0.
Defining CTI not required for insulation materials for voltage levels V.3k 18.8 0.0 1.4 0.0 7.2 0.0 4.0 *
15.0 *
Note *At present, values have been recommended for these voltages.3 4.5 0.0 20.0 6.3 100 100
60 3.7 0.0 8.0 12.8 0.5 8.3 0.5 0.0 275 175
1300 14.7 0.4 0.0 5.3 1.3 275 175
3.0 10.0 12.3 0.0 2.0 3.0 0.7 36.0 10.3 0.0 2.5 mm
Note:
The dimensions indicated here represent the clearances around the insulation and not the thickness the insulation.5 150.5 0.0 *
4.0 50
