KROHNE OPTISWITCH 3300C NAMUR EN - Manual (Page 33)

Potentiometer for switching point adap-
tation
0.02 … 0.1 g/cm³ (0.0007 … 0.036 lbs/in³)
Simulation key simulation of a line break between sensor and
processing unit
Voltage supply
Supply voltage (standard characteris-
tics)
for connection to amplifier according to NA-
MUR IEC 60947-5-6, approx. 8.2 V
Open-circuit voltage U
0
approx. 8.2 V
Shortcircuit current I
U
approx. 8.2 mA
Electrical protective measures
Protection
IP 66/IP 67
Overvoltage category III
Protection class II
Approvals 2)
ATEX II 1G, 1/2G, 2G EEx ia IIC T6 + ATEX II 1/2 D IP66 T
ATEX II 1/2G, 2G EExd d IIC T6
ATEX II 1/2 D IP66 T
3)
2) Deviating data in Ex applications: see separate safety instructions.
3) See temperature statements in the safety instructions manual
Supplement
OPTISWITCH 3300 C - with NAMUR output 33
31358
-EN
-060830