ADM2485
VDE 0884-2 INSULATION CHARACTERISTICS
This isolator is suitable for basic electrical isolation only within the safety limit data. Maintenance of the safety data must be ensured by
means of protective circuits.
An asterisk (*) on packages denotes DIN V VDE V 0884-10 approval.
Table 6.
Description
Installation Classification per DIN VDE 0110 for Rated Mains Voltage
≤150 V rms
≤300 V rms
≤400 V rms
Climatic Classification
Pollution Degree (DIN VDE 0110: 1989-01, Table 1)
Maximum Working Insulation Voltage
Input-to-Output Test Voltage
Method B1: V
IORM
× 1.875 = V
PR
, 100% Production Tested, t
m
= 1 sec, Partial Discharge < 5 pC
Method A (After Environmental Tests, Subgroup 1): V
IORM
× 1.6 = V
PR
, t
m
= 60 sec,
Partial Discharge <5 pC
Method A (After Input and/or Safety Test, Subgroup 2/3): V
IORM
× 1.2 = V
PR
, t
m
= 60 sec,
Partial Discharge <5 pC
Highest Allowable Overvoltage
Safety-Limiting Values
Case Temperature
Input Current
Output Current
Insulation Resistance at T
S 3
1
2
Symbol
Characteristic
I to IV
I to III
I to II
40/85/21
2
560
1050
896
672
4000
150
265
335
>10
9
Unit
V
IORM
V
PR
V peak
V peak
V peak
V peak
V peak
°C
mA
mA
Ω
V
TR
T
S
I
S, INPUT
I
S, OUTPUT
R
S
Transient overvoltage, t
TR
= 10 sec.
The safety-limiting value is the maximum value allowed in the event of a failure. See Figure 14 for the thermal derating curve.
3
V
IO
= 500 V.
Rev. A | Page 7 of 20
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