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stahl8527电动机保护断路器 防爆断路器

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北京德兰系统控制技术有限公司

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Series 8527 motor protection circuits-breakers are used where high short circuit currents are to be controlled and to protect both Ex e- and Ex d-motors. This switches are suitable to protect the installation basically without a back-up fuse.

The breakers are actuated by a rotatable grip, which also gives unambiguous switch position identification. Zones 1 & 2, 21 & 22

Explosion protection

Gas explosion protection

II 2 G EEx de IIC T.

Type

Adjustment range

Temperature class

Tmax.

8527/21

8527/22

0.1 A up to 0.25 A

0.25 A up to 12.5 A

12.5 A up to 16 A

T6

T5

T4

80 °C

95 °C

130 °C

8527/23

0.1 A up to 12.5 A

T6

80 °C

8527/24

16 A up to 22.5 A

T5

95 °C

Dust explosion protection

II 2 D IP 65 T80 °C, T95 °C, T130 °C

Certificates

Gas explosion protection

DMT 02 ATEX E 026

Dust explosion protection

LCIE 02 ATEX 6241 (see type 8146/5)

Enclosure material

Polyester resin, dark grey similar to RAL 7024,
Surface resistance ≤ 109 ohms; impact strength ≥ 7 Nm,
Material self-extingguishing and flame resistant to IEC-92-1, UL 94, ASTM D 635-77

Mounting position

any

Degree of protection

IP 66

Switch element

Main contacts

3 pole

Rated working voltage

max. 690 V, AC, 50 Hz / 60 Hz

Rated operating current

0.1 A ... 22.5 A

Switching capacity

according to adjustment range (AC)

230 V

400 V

500 V

690 V

6.4 kW

11.4 kW

14.4 kW

20.0 kW

Thermal overcurrent trip

according to adjustment range, adjustment at switch

Electromagnetic fast trip

Adjustment range

Threshold values set at factory

0.16 A

...

0.63 A

7.5

...

12.0 In

1.0 A

...

2.5 A

9.0

...

14.0 In

4.0 A

...

6.0 A

10.0

...

15.0 In

9.0 A

...

25.0 A

12.0

...

17.5 In

Back-up fuse

Adjustment
range

from ... to

Highest rated current of the short circuit fuse if ICC > ICS

at 230 V AC

at 400 V AC

at 440 V AC

at 500 V AC

at 690 V AC

ICS

gL, aM

ICS

gL, aM

ICS

gL, aM

ICS

gL, aM

ICS

gL, aM

0.1 A ... 0.16 A

to

1.0 A ... 1.6 A

 

  short-circuit proof,

   no fuse needed to ICC = 100 kA

1.6 A ... 2.5 A

40 kA

25 A

2.5 A ... 4.0 A

60 kA

35 A / 40 A

10 kA

40 A

4.0 A ... 6.3 A

70 kA

50 A

40 kA

50 A

7 kA

40 A

6.3 A ... 9.0 A

50 kA

80 A

30 kA

80 A

5 kA

50 A

9.0 A ... 12.5 A

75 kA

80 A

45 kA

80 A

27 kA

80 A

4.5 kA

50 A

12.5 A ... 16.0 A

60 kA

100 A

40 kA

100 A

25 kA

100 A

4 kA

50 A

16.0 A ... 20.0 A

55 kA

100 A

35 kA

100 A

22 kA

100 A

3.5 kA

50 A

20.0 A ... 25.0 A

50 kA

125 A

30 kA

125 A

20 kA

125 A

3 kA

50 A

ICS = Breaking capacity of rated operating short circuit

ICC = Projected short circuit current at the installation location

mechanical

105 operations

Ambient temperature

- 20 °C ... + 40 °C ...

- 40 °C ≤ Ta ≤ 55 °C

Handle

Labeling: 0 - I; in 0-position can be padlocked in 3 positions

Colour:

Standard: Grip black, collar black

Special: Red grip and yellow collar (EM-STOP)

Accessories

Auxiliary contacts

Option: None; 1 NC + 1 NO; 2 NC + 2 NO

Rated working current

AC 15:

24 V / 2.5 A

230 V / 2 A

400 V / 1 A

DC 13:

24 V / 2.5 A

60 V / 2.5 A

110 V / 0.6 A

220 V / 0.25 A

440 V / - A

Undervoltage trip

Function

When power is lost, circuit-breaker trips; this prevents unwanted restarting, e.g. of a motor

Pick-up voltage

≥ 0.85 x Uc

Drop-out

0.7 ... 0.35 x Uc

Power consumption

Inrush

0.9 VA

Holding

0.9 VA

Shunt trip

Function

For remote tripping of circuit-breakers by applying actuating voltage

Pick-up voltage

≥ 0.85 x Uc

Relative duty cycle

Switches itself off automatically via integrated contact switch

Power consumption

Inrush

24 - 60 V: 14,4 - 90 VA; 110 - 240 V: 13 - 61 VA; 220 - 415 V: 17,6 - 62,3 VA

Holding

Switches itself off automatically via integrated contact switch

Ammeter

Version

Type 8405; dimensions 64 mm x 64 mm

Movement

Moving iron: class 2.5; direct measuring; overload scale 1:2

Measuring range

Dependent on switch setting range

Overload capacity

2 x Ie 25 s; 50 x Ie 1 s

Connections

8527/21

8527/22

directly to fitted components

Main contacts

1.5 mm2 ... 6 mm2 flexible

1.5 mm2 ... 10 mm2 solid

Auxiliary contacts

0.75 mm2 ... 1,5 mm2 flexible

0.75 mm2 ... 2,5 mm2 solid

8527/23

8527/24

8527/25

8527/26

on terminals

0.5 mm2 ... 6 mm2 flexible

0.5 mm2 ... 10 mm2 solid

Please note:

Compare cable diameter with cable diameter range of cable entries


Cable entries

Type

Accessories

Cable glands 8161

Stopping plugs 8290

M 25 x 1.5

M 32 x 1.5

M 25 x 1.5

8527/21

without

with

A + B

A, B, C

- -

- -

C

- -

8527/22

without

with

A + B

A, B, C

- -

- -

C

- -

8527/23; 8527/24

without

with

- -

C

A + B

A + B

C

- -

8527/25; 8527/26

0.1 A ... 12.5 A

without

with

A + B

A, B, C

- -

- -

C

- -

12.5 A ... 22.5 A

without

with

- -

C

A + B

A + B

C

防爆断路器的规格参数
电压其它
材质其它
安装方式壁挂
适用场所IIA,IIB,IIC
其他参数
产品型号8527
防爆标志Ex II 2 D IP 65 T80 °C, T95 °C, T130 °C
供货周期5-10天
防爆合格证编号-
尺寸图-

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