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Home -products-LBM10LE-250/430 Molded Case Circuit Breaker
  • product name : LBM10LE-250/430 Molded Case Circuit Breaker
  • product brand : LBAJI
  • Place of Origin : CHINA
  • E-mail : [email protected]
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Detailed Instruction

Application

LBM10 series molded case circuit breaker(hereinafter referred to as circuit breakder) is suitable for distributing network of AC 50Hz(or 60Hz). RATED CURRENT 15~600A, rated insulation voltage 690V and rated working voltage 400V or below. It can be usedto distribute electric energy and protect the circuit and electric equipment against overload, short circuit and under voltage,under normal condition,the circuit breaker also can be used to switch the circuit infrequently. Circuit breakers of framesize 250A and below also can be used to protect motor or infrequently start motor.

The products are in conformity with GB 14048.2 GB 14048.4, IEC 60947-2 and IEC 60947-4 .

Main technical data

1 . Main technical parameters of circuit breaker

Type

(A) Rated frame current

ln(A) Rated current

(W)Power

loss

Rated Service short-circuit breaking capability Rated Ultimate short-circuit breaking capability

mm Flash over distance

lcs kA CosΦ lcs kA CosΦ

LBM10-100

100

15,20,25,30

40,50,60,80, 100

25

5

0.5

10

0 .3

200

LBM10-250

250

100,120( 125) ,140(150),170,200(225) ,250

55

10

0.3

20

0.25

200

LBM10-600

600

200, 250,300,350, 400 ,500' 600

130

12 .5

0.3

25

0.25

250

Note: The rated current level in the bracket is regarded as special specification,if necessary,the manufacturer can make special design for you.

2 . Main technical parameters of control circuit

Sort

V Rated Working voltage

AC 50Hz

DC

Release

shunt release

Us

230 ,400

24 , 110 , 220

Under voltage release

Ue

230 , 400

ectric mechanism

Us 230 , 400

3 . nain technical parameters of auxiliary contact

lth(A) Conventional thermal curent

Ui(V) Rated insulation Voltage

le Rated working current

Rated frame current

AC400V

D C220V

3

400

0.26 0.15 225A及以下

0 .4

0 .2

400A及以下

4. Setting value of short-circuit protection current

Type

Test current for distribution protection

Test current for Motor protection Accuracy of setting value Conventional time

lntiap state

RMM10-100, 250

10ln

12In ±20% <0.2 Trip

Cold state

RMM10- 600

-

5. Inverse time lag breaking characteristice of circuit breaker for distribution protection

Name of test current

Current setting multiple

T Conventional time

Intiap state

Ambient temperature

1.01ln≤100 A 63A 225A

Conventional non-tripping current

1.051n

≤1h

≥2h

Cold state

+ 30℃

Conventional tripping current

1.301n

< 1h

<2h

Hot state

Returnable time

3.0ln

Returnable time

Cold state

5s

8s

12s

6.lnversl time lag characteristics of circuit breaker for motor protection

Name of test current

Current setting multiple

T Conventional time lntiap state

Ambient temperature

1.01In≤100A 100A<In≤225A
Conventional non·ripping current 1.01In ≥2h Cold state
Conventional tripping current 1.2In <2h Hot state + 40℃
1.5In ≥2min ≤4min Hot state
Current of returning characterstic 7.2In 2s 4s Cold state

OutIine & installation size


Type Outline Size
Connection size
L W H H1 H2 a b Φd a1 b1 Φd1 H3
RMM10-100 153 108 104 83 23.5 35 135 5 70 131 6 53
RMM10-250 276 155 142 105 34 51 240 10 102 238 10 54
RMM10-600 396 210 147 109 39 70 361 11 140 325 12 45
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