P1200S Teccor Electronics, P1200S Datasheet - Page 142

• Manufacturer Part Number: P1200S
• Description: solid state crowbar devices
• Manufacturer: Teccor Electronics

UL 60950 3rd Edition (formerly UL 1950, 3rd edition)
Table 4.15 Minimum Clearances in Secondary Circuits (millimeters)
* Voltage peak or DC
** Voltage rms (sinusoidal)
Note: F = Functional
Table 4.16 Minimum Creepage Distances (millimeters)
Note: Linear interpolation is permitted between the nearest two points, the calculated spacing being rounded to the next higher 0.1 mm
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Voltage up
140
210
280
420
including
V *
Working
71
RMS or DC
to and
Working
Voltage
B/S = Basic/Supplementary
R = Reinforced
1000
increment.
£ 50
100
125
150
200
250
300
400
600
800
V
V **
100
150
200
300
50
Degrees 1 and 2
0.4
0.6
0.6
Nominal AC Mains Supply voltage
F
(transient rating for Secondary
Pollution
Use the Clearance from the
B/S
0.7
0.7
0.9
The following separations require the specified insulation grade:
• TNV3 from TNV3 — functional insulation
• TNV3 from SELV — basic insulation
• TNV3 from TNV1 — basic insulation
• TNV3 from TNV2 — basic insulation
Pollution Degree 1
appropriate table
Material Group
Circuit 800 V)
I, II, IIIa, or IIIb
1.4
1.4
1.8
R
£ 150 V
F
1
1
1
Pollution
Degree 3
B/S
1.3
1.3
1.3
F 1.6; B/S 1.94; R 3.8
F 1.1; B/S 1.4; R 2.8
2.6
2.6
2.6
R
Functional, Basic, and Supplementary Insulation
Degrees 1 and 2
Nominal AC Mains Supply voltage
0.7
0.7
0.7
0.6
0.7
0.8
0.8
1.3
1.6
3.2
F
1
2
4
5
(transient rating for Secondary
I
Pollution
Pollution Degree 2
B/S
1
1
1
Material Group
4 - 18
> 150 V £ 300 V
Circuit 1500 V)
R
2
2
2
0.9
1.1
1.1
1.4
1.8
2.2
2.8
4.5
5.6
7.1
II
1
F
1
1
1
Pollution
Degree 3
IIIa or IIIb
B/S
1.3
1.3
1.3
1.2
1.4
1.5
1.6
2.5
3.2
6.3
10
2
4
8
SIDACtor
2.6
2.6
2.6
R
(transient rating
1.7
1.7
1.7
1.7
1.7
> 300 V £ 600 V
Circuit 2500 V)
for Secondary
Mains Supply
F
12.5
Nominal AC
1.5
1.8
1.9
2.5
3.2
®
10
1, 2, and 3
2
4
5
8
Pollution
I
Degrees
voltage
Data Book and Design Guide
B/S
2
2
2
2
2
© 2002 Teccor Electronics
Pollution Degree 3
Material Group
R
4
4
4
4
4
1.7
2.1
2.2
2.8
3.6
4.5
5.6
9.6
11
14
II
2
Degrees 1 and 2
0.4
0.6
0.6
1.1
1.4
F
Overvoltages
Circuit Not
Subject to
Transient
Pollution
only
B/S
0.4
0.7
0.7
1.1
1.4
IIIa or IIIb
12.5
1.9
2.2
2.4
2.5
3.2
6.3
10
16
4
5
0.8
1.4
1.4
2.2
2.8
R