7
Regulatory Information
The ASSR-3210, ASSR-3211 and ASSR-3220 are approved by the following organizations:
UL
Approved under UL 1577, component recognition program up to V
ISO
= 3750 V
RMS
CSA
Approved under CSA Component Acceptance Notice #5.
Parameter Symbol ASSR-3210
ASSR-3211,
ASSR-3220 Units Conditions
Minimum External Air Gap
(Clearance)
L(101) 4.9 7.1 mm Measured from input terminals to output ter-
minals, shortest distance through air.
Minimum External
Tracking (Creepage)
L(102) 4.9 7.4 mm Measured from input terminals to output ter-
minals, 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)
Insulation and Safety Related Speci cations