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Siemens SB Series Information And Instruction Manual page 47

Encased systems breakers 4000 ampere frame rating
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Internal Accessories
Electronic Bell Alarm - Display Mod ule Relay
CAUTION: Do not attempt to install an accessory with
the breaker "Closed" or "Charged". Make certain
breaker is "Open " and " Discharged" as shown above.
Personal injury or mechanical damage may occur.
Preliminary installation procedures are outlined on
pages 35-36.
Electronic Bell Alarm Kit
Electronic Bell Alarm or Display Module Relay
The electronic bell alarm module is an internally mounted
accessory which interfaces directly with the Electronic Trip
Unit. It provides a solid state relay contact for remote
indication of breaker tripping due to overload, short time,
short circuit, or ground fault. The bell alarm contact is a
latching type and remote reset capability is provided.
To install the bell alarm, first remove the breaker front cover
and trip unit, if previously installed (see page 36).
1
) Align bell alarm mounting holes as shown.
2 . ) With a small screwdriver, press in tab on right side of 36-pin
trip unit connector and release from mounting bracket.
3.) Connect bell alarm lead wires (#1 and #22) to correspond­
ing numbered holes in pin connector. (Note: If a display
module relay is being i nstalled instead of a bell alarm,
connect lead wires to #4 and #22 holes respectively.)
4 ) Route bell alarm lead wires RT9 through RT1 2 through right
side of the circuit breaker.
5.) Connect the four lead wires, in numerical sequence, to the
bottom four positions of the secondary disconnect or
terminal block, with RT1 2 installed on the bottom position
55

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