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14 Tests and Testing Procedures per IEC/EN Standards (continued)
594 Electrical Tests (continued)
• Insulation Parameters to IEC/EN 60664-1 (continued)
Table F.4 - Creepage Distances to Avoid Failure due to Tracking
DIN EN 60664-1/ VDE 0110, Part 1
Minimum Creepage Distances
Printed Wiring Material
1)
Voltage Pollution Degree Pollution Degree
rms
1 2 1 2 2 2 3 3 3
All All All Material Material Material Material Material Material
Material Mat. Gr. Material Group Group Group Group Group Group
Groups except IIIb Groups I II III I II III 2)
V mm mm mm mm mm mm mm mm mm
10 0.025 0.040 0.080 0.400 0.400 0.400 1.000 1.000 1.000
12.5 0.025 0.040 0.090 0.420 0.420 0.420 1.050 1.050 1.050
16 0.025 0.040 0.100 0.450 0.450 0.450 1.100 1.100 1.100
20 0.025 0.040 0.110 0.480 0.480 0.480 1.200 1.200 1.200
25 0.025 0.040 0.125 0.500 0.500 0.500 1.250 1.250 1.250
32 0.025 0.040 0.14 0.53 0.53 0.53 1.30 1.30 1.30
40 0.025 0.040 0.16 0.56 0.80 1.10 1.40 1.60 1.80
50 0.025 0.040 0.18 0.60 0.85 1.20 1.50 1.70 1.90
63 0.040 0.063 0.20 0.63 0.90 1.25 1.60 1.80 2.00
80 0.063 0.100 0.22 0.67 0.95 1.30 1.70 1.90 2.10
100 0.100 0.160 0.25 0.71 1.00 1.40 1.80 2.00 2.20
125 0.160 0.250 0.28 0.75 1.05 1.50 1.90 2,10 2.40
160 0.250 0.400 0.32 0.80 1.10 1.60 2.00 2.20 2.50
200 0.400 0.630 0.42 1.00 1.40 2.00 2.50 2.80 3.20
250 0.560 1.00 0.56 1.25 1.80 2.50 3.20 3.60 4.00
320 0.75 1.60 0.75 1.60 2.20 3.20 4.00 4.50 5.00
400 1.0 2.0 1.0 2.0 2.8 4.0 5.0 5.6 6.3
500 1.3 2.5 1.3 2.5 3.6 5.0 6.3 7.1 8.0
(7.9) 4)
630 1.8 3.2 1.8 3.2 4.5 6.3 8.0 9.0 10.0
(7.9) 4) (8.4) 4) (9.0) 4)
800 2.4 4.0 2.4 4.0 5.6 8.0 10.0 11.0 12.5
(9.0) 4) (9.6) 4) (10.2) 4)
1000 3.2 5.0 3.2 5.0 7.1 10.0 12.5 14.0 16.0
(10.2) 4) (11.2) 4) (12.8) 4)
1250 4.2 6.3 9.0 12.5 16.0 18.0 20.0
(12.8) 4) (14.4) 4) (16.0) 4)
1600 5.6 8.0 11.0 16.0 20.0 22.0 25.0
(16.0) 4) (17.6) 4) (20.0) 4)
2000 7.5 10.0 14.0 20.0 25.0 28.0 32.0
(20.0) 4) (22.4) 4) (25.6) 4)
2500 10.0 12.5 18.0 25.0 32.0 36.0 40.0
(25.6) 4) (28.8) 4) (32.0) 4)
3200 12.5 16.0 22.0 32.0 40.0 45.0 50.0
(32.0) 4) (36.0) 4) (40.0) 4)
4000 16.0 20.0 28.0 40.0 50.0 56.0 63.0
(40.0) 4) (44.8) 4) (50.4) 4)
5000 20.0 25.0 36.0 50.0 63.0 71.0 80.0
(50.4) 4) (56.8) 4) (64.0) 4)
6300 25.0 32.0 45.0 63.0 80.0 90.0 100.0
(64.0) 4) (72.0) 4) (80.0) 4)
8000 32.0 40.0 56.0 80.0 100.0 110.0 125.0
(80.0) 4) (88.0) 4) (100.0) 4)
10000 40.0 50.0 71.0 100.0 125.0 140.0 160.0
(100.0) 4) (112.0) 4) (128.0) 4)
12500 50.0 3) 63.0 3) 90.0 3) 125.0 3)
16000 63.0 3) 80.0 3) 110.0 3) 160.0 3)
20000 80.0 3) 100.0 3) 140.0 3) 200.0 3)
25000 100.0 3) 125.0 3) 180.0 3) 250.0 3)
32000 125.0 3) 160.0 3) 220.0 3) 320.0 3)
40000 160.0 3) 200.0 3) 280.0 3) 400.0 3)
50000 200.0 3) 250.0 3) 360.0 3) 500.0 3)
63000 250.0 3) 320.0 3) 450.0 3) 600.0 3)
1) This voltage for:
– functional insulation; the working voltage;
– basic and supplementary insulation of the circuit energized directly from the mains (see 4.3.2.2.1): for the voltage rationalized through Table F.3a or F.3b,
based on the rated voltage of the equipment, or the rated insulation voltage;
– basic and supplementary insulation of systems, equipment and internal circuits not energized directly from the mains (see 4.3.2.2.2.): the highest rms voltage
which can occur in the system, equipment or internal circuit when supplied at rated voltage and under the most onerous combination of operation conditions
within equipment rating.
2) Material group IIIb is not recommended for applications in pollution degree 3 above 630V.
3) Provisional data based on extrapolation. Technical committees who have other information based on experience may use their dimensions.
4) The values in brackets shall only be applied for reducing creepage distances if a rib is used (see 5.2.5).
The high degree of accuracy of the creepage distances given in the table does not imply that the measuring accuracy must be of the same quality.