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Table 5 Overcurrent protection characteristics of circuit breakers for 

motors 

Rated current In 

(A) 

Thermal release (ambient tempe40°C) 

Operating current 

of 

electromagnetic 

release (A) [Note] 

1.0 In non-

operating time 

(h)  

(initial state: cold 

state) 

1.2 In operating 

time (h) 

(initial state: 

thermal state) 

1.5 In operating 

time (min) 

(initial state: 

thermal state) 

7.2 In operating 

time (s) 

(initial state: cold 

state) 

In≤63

 

>2 

≤2

 

≤2

 

2<Tp≤10

 

(12±2.4)In 

63<In≤250

 

4<Tp≤10

 

250<In≤800

 

≤8

 

6<Tp≤20

 

[Note]: The operating current of the electromagnetic release of H8M-

630 and 800 (400 A ≤ In ≤ 

800 A) is (5±1) In to 14 In. 

Adjustable reference value: Low (4 ~ 6) In; Relatively low (6 ~ 8.3) In; Relatively high (8.3 ~ 10.9) 

In; High (10.9 ~ 14) In.  

6  Circuit Breaker Accessories 

6.1  List of accessory models (see Table 6). 

Table 6 List of accessory models 

Shell frame level rated current Inm 

(A) 

63 

100 

250 

400 

630, 800 

Int

er

nal

 ac

ces

sor

ies

 

Alarm contact 

B1 

B2 

B3 

B4 

Auxiliary contact 

F1 

F2 

F3 

F4 

Shunt trip 

FL1 

FL2 

FL3 

FL4 

Undervoltage release 

QY1 

QY2 

QY3 

QY4 

Accessory terminal 

JX 

Special release with prepaid 

kilowatt-hour meter 

Ex

ter

nal

 

ac

ces

sor

ies

 

Rotation operating handle 

CS1-63 

CS1-100 

CS1-250 

CS1-400 

CS1-630 

Electric operating mechanism 

MDX0 

MDX1 

MDX2 

MDX3 

MDX4 

Mechanical 

interlock 

3-pole 

N1-3 

N2-3 

N3-3 

N4-3 

N5-3 

4-pole 

—— 

N2-4 

N3-4 

N4-4 

N5-4 

 

6.2  Rated values of auxiliary contacts and alarm contacts 

Conventional thermal current Ith = 6 A; 

Rated working current Ie = 0.79 A (230 V, AC) Ie = 0.47 A (400 V, AC); 

Ie = 0.15 A (220 V, DC). 

6.3  Shunt trip parameters 

Rated voltage Us: AC: 110 V, 230 V, 400 V; input capacity: 180 VA; 

DC: 24 V, 48 V, 110 V; input capacity: 60 W. 

The circuit breaker can interrupt reliably under (70% ~ 110%) Us, and 

the operating time is 10 ms ~ 30 ms. 

 

 

 

Содержание 100H H8M-100U

Страница 1: ...peration Instruction Product Certificate This product has passed the inspections and meets the requirements of GB T 14048 2 and therefore is allowed to leave the factory Inspector Date of inspection S...

Страница 2: ...method No code with wiring in front of the plate Code H with wiring behind the plate C for plug in connection and CH for pull out connection only for 3 poles No code for conventional products and cod...

Страница 3: ...reaker is suitable for the following working conditions 4 1 The ambient air temperature shall not be higher than 40 C or lower than 5 C 4 2 Altitude 2 000 m 4 3 The relative air humidity shall not exc...

Страница 4: ...3 4 3 4 3 3 Rated insulation voltage Ui V AC 600 AC 800 AC 800 Rated impulse withstand voltage Uimp kV 8 Flashover distance mm 50 0 50 0 50 0 Rated ultimate service short circuit breaking capacity Ic...

Страница 5: ...50 75 75 100 100 125 125 50 50 75 75 100 100 125 125 Operation performance times Energizing 7 500 7 500 7 500 De energizing 10 000 10 000 10 000 Outline dimensions mm a 140185140180 140 140 2102802102...

Страница 6: ...odels see Table 6 Table 6 List of accessory models Shell frame level rated current Inm A 63 100 250 400 630 800 Internal accessories Alarm contact B1 B2 B3 B4 Auxiliary contact F1 F2 F3 F4 Shunt trip...

Страница 7: ...of the input terminal of the power supply is AC 50 Hz 230 V 400 V Figure 1 Shunt trip control circuit design 6 4 Parameters of the undervoltage release Rated voltage Ue AC 110 V 230 V 400 V DC 24 V 4...

Страница 8: ...MDX1 MDX2 MDX3 MDX4 Rated working voltage Ue V AC 110 V 230 V 50 Hz DC 110V 220 V Starting current A 0 5 2 Operating time S 0 8 Rated operating frequency times h 180 120 Mechanical life times 15 000 9...

Страница 9: ...shall be tightened Table 8 Cross section area of the connecting conductor Rated current In A 10 16 20 32 40 50 63 80 100 125 150 160 175 200 225 250 300 350 400 Cross section area of the conductor mm...

Страница 10: ...tances the fees for repair still shall be charged even within the warranty period 1 Misuse self modification improper maintenance etc 2 Use beyond the standard specification requirements 3 Falling dam...

Страница 11: ...Group Zhejiang High tech Co Ltd Address Wenzhou Bridge Industrial Zone Yueqing City Zhejiang Province Tel 0577 62889999 Fax 0577 62885588 Postal code 325603 http www huyu coin cn Service Hotline 400 8...

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