11
VDE 0884 Insulation Characteristics
Description
Symbol
Characteristic
Unit
Installation classification per DIN VDE 0110/1.89, Table 1
for rated mains voltage ≤ 300 V
I - IV
I - III
I - II
rms
for rated mains voltage ≤ 450 V
rms
for rated mains voltage ≤ 600 V
rms
Climatic Classification
40/85/21
Pollution Degree (DIN VDE 0110/1.89)
Maximum Working Insulation Voltage
Input to Output Test Voltage, Method b*
2
891
V
V
IORM
PEAK
PEAK
V
IORM
x 1.875 = V , 100% Production Test with t = 1
V
PR
167
1336
6000
V
V
V
PR
m
sec, Partial Discharge < 5 pC
Input to Output Test Voltage, Method a*
V
IORM
x 1.5 = V , Type and Sample Test, t = 60 sec,
V
PR
PR
m
PEAK
PEAK
Partial Discharge < 5 pC
Highest Allowable Overvoltage
(Transient Overvoltage t = 10 sec)
V
IOTM
ini
Safety-Limiting Values–Maximum Values Allowed in the
Event of a Failure, also see Figure 13.
Case Temperature
T
175
80
250
°C
mW
mW
S
Input Power
Output Power
I
P
S, INPUT
S, OUTPUT
9
Insulation Resistance at T , V = 500 V
R
≥ 10
Ω
SI IO
S
*Refer to the optocoupler section of the Optoelectronics Designer's Catalog, under Product Safety Regulations section, (VDE 0884)
for a detailed description of Method a and Method b partial discharge test profiles.
Note: Isolation characteristics are guaranteed only within the safety maximum ratings which must be ensured by protective circuits in
application.
300
250
P
P
, OUTPUT
, INPUT
Si
200
150
100
Si
MAX. OPERATING
TEMP. IS 100 °C
50
0
0
50
100
150
200
T
– TEMPERATURE – °C
A
Figure 13. Dependence of Safety-
Limiting Values on Temperature.
ETC [ ETC ]
