6

Insulation and Safety Related Specifications

Parameter

Symbol

ACPL-M50L

ACPL-054L

ACPL-W50L

ACPL-K54L

Units

Conditions

Minimum External Air

Gap (Clearance)

L(101)

5

4.9

8

mm

Measured from input terminals to output

terminals, shortest distance through air.

Minimum External

Tracking (Creepage)

L(102)

5

4.8

8

mm

Measured from input terminals to output

terminals, shortest distance path along

body.

Minimum Internal

Plastic Gap

(Internal Clearance)

0.08

0.08

0.08

mm

Through insulation distance conductor

to conductor, usually the straight line

distance thickness between the emitter

and detector.

Tracking Resistance

(Comparative Tracking

Index)

CTI

175

175

175

Volts

DIN IEC 112/VDE 0303 Part 1

Isolation Group

IIIa

IIIa

IIIa

Material Group (DIN VDE 0110, 1/89,

Table 1)

IEC 60747-5-5, IEC/EN/DIN EN 60747-5-2 Insulation Characteristics* (Option 060E)

Description

Symbol

Characteristic

Unit

ACPL-M50L/

054L

ACPL-W50L/

K54L

Installation classification per DIN VDE 0110/39, Table 1

I – IV

I – III

I – II

I – IV

I – IV

I – III

I – III

Climatic Classification

55/105/21

55/105/21

Pollution Degree (DIN VDE 0110/39)

2

2

Maximum Working Insulation Voltage

560

1140

Vpeak

Input to Output Test Voltage, Method b*

Partial discharge < 5 pC

1050

2137

Vpeak

Input to Output Test Voltage, Method a*

Partial discharge < 5 pC

896

1824

Vpeak

6000

8000

Vpeak

Safety-limiting values – maximum values allowed in the event of a failure.

Case Temperature

Input Current**

Output Power**

150

150

600

175

230

600

°C

mA

mW



*

Refer to the optocoupler section of the Isolation and Control Components Designer’s Catalog, under Product Safety Regulations section,

(IEC 60747-5-5, IEC/EN/DIN EN 60747-5-2) for a detailed description of Method a and Method b partial discharge test profiles.