AEG ME09 - OPERATION; CIRCUIT BREAKER CLOSING OPERATION; NOTICE: If a motorized Spring Charging Unit is installed, the springs will be automatically charged as soon as the closing operation is initialized.

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INTRO
TRIP UNIT
LOCKS ACCESSORIES TESTS APPENDIX
1.4-03
ᆅჾࡀ߭Ҿጎ֡ፕۉጱྃഗ
܏ୟഗ
BREAKER
NF1:ဣଚگუഘ܏ୟഗ
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ፕഔۯ้ጲۯئీă
1.4.3 CIRCUIT BREAKER CLOSING OPERATION
1. The circuit breaker can be closed, if:
- The Trip Unit is installed.
- No pending ON command is present
- The network interlock if installed is reset.
- If installed, the Undervoltage release (s) are energized.
- No local keylocks or in- or external breaker interlocks are set
to PREVENT the user from switching ON.
- The casseƩe racking handle is not inserted.
- The Trip Unit reset buƩon is not protruding from the front
cover.
- The circuit breaker is not posiƟoned anywhere between
CONNECTED, TEST and DISCONNECTED.
If any of the above condiƟons are NOT met the
device is prevented from closing.
2. Closing the Device
Up to four diīerent ways (A-D) of closing the breaker are
available:
-- A. Manual Closing
Depressing the 'ON' pushbuƩon located on the breaker front
facia. (Fig.1.0D page 1-4)
-- B. Remote Electrical Closing
When an electrical charging device is used a standard Closing
Coil can be used to switch the breaker 'ON'. This coil must be
energized via the secondary terminals.
-- C. Local Electrical Closing
When an electrical charging device is used a Command
Closing Coil can be used to switch the breaker 'ON'.
The device is operated by a extra pushbuƩon located on the
breaker front facia. This coil needs a power supply and can
also be accessed through the Trip Unit communicaƟon bus.
-- D. Closing through CommunicaƟon bus
When an electrical charging deviceand Command Closing Coil
are present the breaker can be switched on through the
communicaƟon bus oīered on several GT Trip Unit versions.
The coil must be connected to an independent power supply.
NOTICE: If a motorized Spring Charging Unit is installed, the
springs will be automaƟcally charged as soon as the closing
operaƟon is iniƟalized.
2/5/4!܏ୟഗԿࢇ֡ፕ