7

Regulatory Information

The ASSR-4118, ASSR-4119 and ASSR-4128 are approved by the following organizations:

UL

CSA

Approved under CSA Component Acceptance Notice #5.

Insulation and Safety Related Specifications

Parameter

Symbol

ASSR-4118

ASSR-4119

ASSR-4128

Units

Conditions

Minimum External Air Gap

(Clearance)

L(101)

4.9

7.1

mm

Measured from input terminals to output

terminals, shortest distance through air.

Minimum External Tracking

(Creepage)

L(102)

4.9

7.4

mm

Measured from input terminals to output

terminals, shortest distance path along

body.

Minimum Internal Plastic Gap

(Internal Clearance)

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

V

DIN IEC 112/VDE 0303 Part 1

Isolation Group

(DIN VDE0109)

IIIa

IIIa

Material Group (DIN VDE 0109)