KRB-5368c
-13-
◯
1
ACB
ACB body
◯
2
OFF button
Push to open the ACB.
◯
3
ON button
Push to close the ACB.
◯
4
ON-OFF indicator
Shows “OFF” when the ACB is open and “ON” when it is closed.
◯
5
Charge indicator
Shows “CHARGED” when the closing springs are charged and “DISCHARGED” when it
is released.
◯
6
Charging handle
Pump to charge the closing springs.
◯
7
Lock-in-OFF plate
Padlocking this plate allows the ACB to be locked in the open (OFF) state. (Padlocks are
not supplied. Use padlocks with a 6 mm-diameter shackle.)
◯
8
ON-OFF button cover
Provides protection against inadvertent button operation and can be padlocked. (Padlocks
are not supplied. Use padlocks with a 6 mm-diameter shackle.) Up to three padlocks can be
installed.
◯
9
ON-OFF cycle
counter (optional)
Reads the number of ON-OFF cycles. It counts a series of operations from close to open as
one cycle.
◯
10
OCR cover
Padlocking this plate prevents settings of overcurrent release
◯
11
to be inadvertently
changed. (Padlocks are not supplied. Use padlocks with a 6 mm-diameter shackle.)
◯
11
Overcurrent release
(OCR) (optional)
This protective device is supplied power via the CT for overcurrent installed in the ACB
main circuit. When the CT detects an overcurrent in the main circuit, the OCR instructs the
magnet hold trigger (MHT) to trip open the ACB.
◯
12
Front cover
A plastic cover of the breaker body front panel.
◯
13
Rating nameplate
Indicates the type, applicable standards and rated breaking capacity of the ACB.
◯
14
Specification
nameplate
Indicates the number of poles, operation method, accessories, and serial number of the
ACB.
◯
15
Control circuit
terminals
Allow connections of external control wire to the control circuits. Wire connections are
made through M4 screw terminals. Fig. 5 shows the control circuit terminals.
Fig. 5 Control circuit terminals
◯
16
Auxiliary switches
(optional)
Indicate the state of the ACB (ON or OFF). The auxiliary switches are available in 4C
configuration (standard), or 7C or 10C configuration (optional). Connections to the
switches are made through M4 screw terminals.
◯
17
Terminal block
Contains control circuit terminals
◯
15
, and auxiliary switches.
◯
16
◯
18
Ground terminal M8
tapped hole
Allows connection of a ground terminal.
◯
19
Main circuit terminals
Allow connections of external conductors. These terminals are available in three
configurations as shown in Fig. 6.
Summary of Contents for TemPower2 AR-E Series
Page 2: ......
Page 4: ...KRB 5368c 4...