EB 8365 EN
11
Design and principle of operation
Materials
Housing and cover
Powder-coated aluminum
Lever and shaft
1.4571
Cable gland
M20x1.5, black polyamide
Travel range
Attachment according to
IEC 60534-6 (NAMUR)
Lever I: 7.5 to 60 mm · Lever II: 60 to 180 mm
Attachment to Type 4763 and
Type 4765 Positioner
Travel same as positioner
Compliance
·
1)
Observe the limits specified in the EC-type examination certificate.
2)
Models manufactured until 2006 with SJ3,5-N proximity switch.
Type 4746-1 with type of protection Ex ia (ATEX)
Maximum values for connection to certified intrinsically safe circuits
Limit Switch
Type 4746-12
Type 4746-13
Limit contacts
Inductive
Electric
U
i
16 V
16 V
45 V
I
i
52 mA
25 mA
–
P
i
169 mW
64 mW
2 W
C
i
- effective inner capacitance
60 nF
50 nF
Negligibly small
L
i
- effective internal inductance
160 µH
250 µH
Temperature classes
Ambient temperature range according to EC-type examination certificate
(technical data specified in above table additionally apply)
T4
–45 to 89 °C
–45 to 100 °C
–45 to 80 °C
T5
–45 to 60 °C
–45 to 81 °C
–45 to 70 °C
T6
–45 to 45 °C
–45 to 66 °C
–45 to 60 °C
Summary of Contents for 4746
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