Siemens SITRANS L Series Compact Operating Instructions page 30

Connecting
5.2 Connecting SITRANS LR250
Loss of protection
Loss of approvals can result from improper connection.
● Check the nameplate on your device, to verify the approval rating.
● Use appropriate cable entry seals to maintain IP or NEMA rating.
● See Wiring setups for hazardous area installations (Page 31).
NOTICE
Improper cables and conduit
● Separate cables and conduits may be required to conform to standard instrumentation
①
②
③
May be shipped with the device.
a)
If cable is routed through conduit, use only approved suitable-size hubs for waterproof
b)
applications.
Not applicable to 3-A Sanitary approved device.
c)
Wiring instructions
1. Strip the cable jacket for approximately 70 mm (2.75") from the end of the cable, and thread
the wires through the gland. (If cable is routed through conduit, use only approved suitable-
size hubs for waterproof applications.)
2. Connect the wires to the terminals as shown: the polarity is identified on the terminal block.
3. Ground the device according to local regulations.
4. Tighten the gland to form a good seal.
5. Close the lid and secure the locking screw before programming and device configuration.
30
WARNING
wiring practices or electrical codes.
1
2
3
Use a 2 mm Allen key to loosen the lid-lock set screw
Plug (IP68)
Optional cable gland
4
5
(or NPT cable entry)
a) b)
Compact Operating Instructions, 11/2019, A5E48453192-AA
④
Cable shield
c)
⑤
Ground terminal
b)
SITRANS LR250 with mA/HART