
11
ALLOWABLE OPERATING RANGE
Switch with silver contacts
A
m
b
ie
nt
T
em
p
er
at
ur
e
(°
C
)
Process Temperature (°C)
A, B
A
ALLOWABLE OPERATING RANGE
Switch with gold plated contacts
A, B
A
A
m
b
ie
nt
T
em
p
er
at
ur
e
(°
C
)
Process Temperature (°C)
A: cast iron housing
B: cast aluminium housing
A: cast iron housing
B: cast aluminium housing