Siemens TL.. Bedienerhandbuch PDF herunterladen (Seite 16)

Installation Instructions

Rating Plug

CAUTION

3. Check label on the rating plug.

Check the rating plug label to verify that it is the correct plug

for the trip unit. If it is not a correct plug, the pins will not mate

with the plug receptacle.

4. To insert rating plug, align plug with plug receptacle and press into

place.

insert

a rating plug in the trip unit, align the plug with the

plug receptacle and press the plug into place. The clips on the

plug secure the plug, eliminating the need for screws or

latches.

remove

a rating plug, squeeze the clips and pull the plug

from the plug receptacle. Because the plug is held in place by

compression, some force is required to remove the plug.

not close

the breaker with the rating plug removed from the

trip unit.

5. To replace the cover, bow it slightly in the middle and snap into

place.

After the rating plug has been inserted and the necessary set-

ting adjustments have been made, replace the cover by sliding

the protective shield into the top lip of the trip unit, bow it

slightly in middle, and press it down with your thumb on

bottom to snap shield into place. Replace the two special

retaining screws.

NOTE: For more complete information on the electronic

trip units, see Siemens Electronic Trip Units for SB

Encased Systems Breakers Information and Instruction

Guide Bulletin IPIM-2203 and the Sentron Systems

Breaker Energy Communicating Trip Unit Information and

Instruction Guide Bulletin IPIM-2208.

6. The cover may be sealed with a lead seal for tamper evident

protection.

After the cover has been replaced, a wire may be inserted

through the holes in the screws and secured with a meter

seal. This will help prevent tampering.

Do not attempt to force an incorrect

rating plug into a trip unit. Mechanical

damage may occur. The receptacle in the

trip unit has been keyed to prevent the

insertion of an incorrect rating plug.

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