Connected/Test Position; The Door Open; Fail Safe - ABB SACE Emax E1.2 Operating Instructions For The Design Engineer

DLP : door opening lock
(1)
with the circuit-breaker in

connected/test position

DLR : lock on racking-in/
(1)
racking-out of the moving part
with the door open
Fail safe The fail safe is a device that prevents the removal of the mobile part of a withdrawable circuit-breaker from
266 | © 2017 ABB | 1SDH001330R0002 - ECN000058721 Rev. A
The DLP lock prevents the switchgear door from being opened when the moving part of the circuit-breaker
is in the connected or test position.
It can be installed alternatively on the right side or the left side of the fixed part.
NOTE: The DLP lock is used as an alternative to the mechanical interlock.
(1)
Not available for E1.2
Information on the assembly is available on the website http://www.abb.com/abblibrary/DownloadCenter/, in
particular with the kit sheet 1SDH001000r0709.
The DLR lock prevents the moving part from being racked in/out from the fixed part when the switchgear
door is open.
It is available on request on all fixed parts.
(1)
Not available for E1.2
Information on the assembly is available on the website http://www.abb.com/abblibrary/DownloadCenter/, in
particular with the kit sheet 1SDH001000r0725.
the fixed part if the springs are charged.
It is always supplied with UL circuit-breakers.
IMPORTANT:
• The fail safe device makes undervoltage coil YU unavailable.
• It is, however, possible not to install the fail safe device, in which case the undervoltage
coil YU must be used.
Information on the assembly is available on the website http://www.abb.com/abblibrary/DownloadCenter/, in
particular for E1.2 in the kit sheets
• for the Fail Safe, movable part
1SDH000999r0708
• 1SDH000999r0711 for the Fail Safe, fixed part
and for E2.2-E4.2-E6.2 in the kit sheet 1SDH001400r0821.
DLP for E2.2 - E4.2 - E6.2
DLR for E2.2 - E4.2 - E6.2
Mechanical accessories | 2 - Mechanical safety accessories
ABB | SACE Emax 2