23
OPTIMASS 3300C / 7300C with stainless steel converter housing and without
heating jacket / insulation
Ambient
Temp. Tamb°C
Max. medium
temp. Tm °C
Temperature Class
Max. Surface Temp. °C
40
55
T6
T80
75
T5 T95
120
T4
T130
150
T3 – T1
T160
50
75
T5
T95
115
T4
T130
135
T3 – T1
T145
55
55
T4 – T1
T80
OPTIMASS 3300C / 7300C with aluminium converter housing and with heating
jacket / insulation
Ambient Temp.
Tamb °C
Max. medium
temp. Tm °C
Temperature Class
Max. Surface
Temp. °C
40
55
T6
T80
70
T5
T95
100
T4
T125
145
T3 – T1
T170
50
70
T5
T95
100
T4 – T1
T125
60
60
T4 – T1
T85
65*
65
T4 – T1
T90
OPTIMASS 3300C / 7300C with stainless steel converter housing and with heating
jacket / insulation
Ambient Temp.
Tamb °C
Max. medium
temp. Tm °C
Temperature Class
Max. Surface
Temp. °C
40
55
T6
T80
70
T5
T95
100
T4
T125
145
T3 – T1
T170
50
70
T5
T95
75
T4 – T1
T100
55
55
T4 – T1
T80
* Only for equipment configurations according to the table in section 2.2
The cable supplied by KROHNE is designed for a continuous working temperature of up to
105°C. Alternative cabling must be a heat-resistant type with a minimum continuous working
temperature of 80°C.
AD OPTIMASS 300_010 Haz Areas Rev 01.qxp 05/03/2014 13:25 Page 23
