Smart Intelligent Molded Case Circuit Breaker 63A
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Smart Intelligent Molded Case Circuit Breaker 63A

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  • SRM1-63M/3300 63A

  • ZJSLAC

Main technical parameters


Model

SRM1-63

SRM1-100

SRM1-250


Shell and frame class (Inm)

63

100

250


Rated current(le)A

10,16,20,25,32,

40,50,63

16,20,25,32,40,

50,63,80,100

100,125,160,180,

200,225,250


Rated working voltage Ue(V)

400

400

400


Rated insulation voltage (Ui)V

800

800

800


Rated impact tolerance voltage (Uimp)V

6000

8000

8000


Rated short circuit breaking capacity level


L

M

H

L

M

H

Number of poles(P)

3

4

3

3,4

3

3,4


Rated short circuit breaking

capacity lcu(kA)

AC400V

25

35

50

80

35

50

80


Rated operating short-circuit

breaking capacity Ics(kA)

AC400V

12.5

22

35

50

22

35

50

Arc distance(mm)

≤50

≤50

≤50


Operating  performance  (times)


Power on

1500

1500

1000

No power

8500

8500

7000


Overall dimension

L

135

135

150

150

150

165

165

165

W

78

103

92

92

122

107

107

142

H

72

81.5

69

86

86

86

103

103


Model

SRM1-400

SRM1-630

SRM1-800


Shell and frame class(Inm)

400

630

800


Rated current(le)A

10,16,20,25,32,

40,50,63

16,20,25,32,40,

50,63,80,100

100,125,160,180,

200,225,250


Rated working voltage Ue(V)

400

400

400

Rated insulation voltage (Ui)V

800

800

800


Rated impact tolerance voltage (Uimp)V

8000

8000

8000


Rated short circuit breaking capacity level

L

M

H

L

M

H

L

M

H

Number of poles(P)

3,4

3,4

3,4


Rated short circuit breaking

capacity  lcu(kA)

AC400V

50

65

100

50

65

100

65

85

100


Rated operating short-circuit

breaking capacity lcs(kA)

AC400V

35

42

65

35

42

65

42

65

85

Arc distance(mm)

≤100

≤100

≤100


Operating performance (imes)


Power on

1000

1000

1000

No power

4000

4000

4000


Overall  dimension

L

257

270

280

W

150(3P)

198(4P)

182(3P)

240(4P)

210(3P)

280(4P)

H

106.5

110

115.5


Use and maintenance


Before instaling the circuit breaker, check whether the technical parameters listed on the circuit breaker nameplate meet the op- eration requirements.

Various characteristics of circuit breakers (including various accessories) are adjusted by the manufacturer. Users should not ad- just them at will in use (except for adjustable parts).

Before the circuit breaker is delivered, the front cables of the circuit breaker board are attached with connecting plates,positioning parts, screws, washers and other accessories. The user should install the connecting plate before wiring, generally the bus and cable directly installed on the connecting plate, each specification circuit breaker installation should be located correctly, there should be no additional mechanical stress.

Wrap the inlet end of the circuit breaker with insulation material of 50mm(Inm ≤100A)or 100mm(Inm ≥250A),and install a phase spacing arc plate.

See Table 16 and Table 17 for the recommended cross-sectional area of connecting wires and the corresponding rated curent

The handle of the circuit breaker can be in three positions: closed, open, and free trip. When the handle is in the free trip posi- tion, if you want to close it, you should hand the handle to the disconnecting direction plate to make the circuit breaker buckle again, then you can close it.(Note: When the circuit breaker is installed verically,if the mechanism is in the free trip state, the shaft line of the handle should be about 5° to 15° above the horizontal.

Any of the contact handles of the circuit breaker that are not broken will not be transfered to the free trip position.

After the circuit breaker is newly installed and operated for a period of time (usually one month), press the (red)“Trip” button in the closing state to check the trip function.

(Note: This button can be used for emergency trip trip in case of abnormal operation of handle.)

Our company in line with the quality of the first purpose, the implementation of three guarantees, in the repair period (since the invoice issued within 18 months) is the product quality problems and damage or can not be used normally, free repair or replacement, is the user's damaged discretionary preferential charges.

Our company with the most refined technology, the best service for the majority of users to do a good job in after-sales service.



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