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4.8
ECSR - Motor, UVR, CC, ST
Tools necessary:
Cross screwdriver
Lubrificant
4.8.1 - ECRS-I - Functional tests
• Motor
Supply the motor at Vn (terminals M1-M2)
The motor operator charge the springs and stop automatically
If motor doesn’t work:
- check the connectors
- check the supply voltage
- check the fuse
If the problem is still present
➔
replace the motor drive. At the end
get again the breaker in open position with springs discharged
discharged
charged
discharged
discharged
discharged
charged
discharged
discharged
• CC
Charge the springs
discharged
charged
discharged
discharged
discharged
charged
discharged
discharged
Supply the CC (C3-C4) and verify the breaker is closed. At the end
get again the breaker in open position with springs discharged
discharged
charged
discharged
discharged
discharged
charged
discharged
discharged
• ST
Close the breaker
discharged
charged
discharged
discharged
discharged
charged
discharged
discharged
Supply the ST (C1-C2) and verify the breaker is opened
• UVR
Supply UVR (D1-D2): Close the breaker
discharged
charged
discharged
discharged
discharged
charged
discharged
discharged
Cut off the supply of UVR and verify the breaker is opened. Let UVR without supply and verify it is not
possible to close the breaker. At the end get again the breaker in open position with springs discharged
discharged
charged
discharged
discharged
discharged
charged
discharged
discharged
4.8.2 - ECRS-II - Lubricating of motor gear
Lubricate (Reholube 361F) the parts highlighted
in pictures.
Supply the motor and perform a cycle charge/
close/open
At the end get again the breaker in open position
with springs discharged
discharged
charged
discharged
discharged
discharged
charged
discharged
discharged
FUSE
TYPE
250V 2A
T
FUSE
10
5
2
0.7
0.4
5
0.6
0.5
Ir
2
0.9
8
0.8
10
xIr
6
5
s
xIn
0.1
0.0
0.01
20
5
10
@6Ir
30
tr
30
20
0.3
tm
0.2
0.3
0.2
0.1
I>1.05
I>.90
xIr
ON
N
0.00
0.02
0.04
0.06
0.08
0.1
I
2
t=k@12I
r
MEM=OFF
s
1
.
.
5
Icw 5
xIn
FUSE
TYPE
250V 2A
T
FUSE
10
5
2
0.7
0.4
5
0.6
0.5
Ir
2
0.9
8
0.8
10
xIr
6
5
s
xIn
0.1
0.0
0.01
20
5
10
@6Ir
30
tr
30
20
0.3
tm
0.2
0.3
0.2
0.1
I>1.05
I>.90
xIr
ON
N
0.00
0.02
0.04
0.06
0.08
0.1
I
2
t=k@12Ir
MEM=OFF
s
1
.
.
5
Icw 5
xIn
FUSE
TYPE
250V 2
A
T
FUSE
10
5
2
0.7
0.4
5
0.6
0.5
Ir
2
0.9
8
0.8
10
xIr
6
5
s
xIn
0.1
0.0
0.01
20
5
10
@6Ir
30
tr
30
20
0.3
tm
0.2
0.3
0.2
0.1
I>1.05
I>.90
xIr
ON
N
0.0
0
0.02
0.04
0.0
6
0.0
8
0.1
I
2
t=k@12Ir
MEM=OFF
s
1
.
.
5
Icw 5
xIn