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AC Contactor

AC Contactor
AC Contactor
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Product Code : 3TF-56,57
Product Description

APPLICATION 

3TF Series AC Contactor are suitable in electrical system with AC 50/60HZ,rated operational voltage up to 660V,in ac-3 usage,rated operational voltage up to 380V,rated operational current up to 630A to make or break remote motors or system.The form electromagnetic starters with suitable thermal over load or phase-failure.The are mode according to IEC947.BS5424 & VDE0660.The contactor is a straight motion mechanism having double-breaking contacts.The auxiliary contacts are arranged 2NO.2NC at most,It is employed the flexible locking connection be-tween the contact support and core,three are no arcisolated panel in the le≥32A contactors,there are moulded arc-chute with arcisolated panel,because all contacts are made of high non fusibility and against corrosion silver alloy.All series products can be mounted by screws,le≤32A contactor also by installation rail.

SPECIFICATIONS 

Type

3TF-54

3TF-55

3TF-56

Rated insulation voltage

1000

1000

1000

Rated operational current(380V)

AC-3

250

300

400

AC-4

110

125

150

 

Rated outputs of three-phase motors at 50Hz

AC-3

AC-4

230/220V

78

93

125

400/380V

132

160

200

500V

178

210

284

690/660V

235

235

375

1000V

132

132

250

400/380V

61/58

69/66

85/81

690/660V

105/100

119/114

147/140

(×106)Mechanical endurance

10

10

10

(×106)Mechanical endurance

AC-3

1.2

1.2

1.2

AC-4

0.2

0.2

0.2

Switchina frequency

AC-3

700

700

500

AC-4

400

300

150

Coil voltage lolerance

(0.8~1.1)Us

Power consumption of coil(50Hz)

Closed

84

84

115

P.f.

0.24

0.24

0.33

Closing

1430

1430

2450

P.f.

0.34

0.34

0.21

Convention althermal current

300

300

400


Conventional thermal current of auxiliary contacts

10

10

10

Rated operational current of auxiliary contacts

AC-15
380/220V

4/6

4/6

4/6

Weight

AC6.2/6.4

AC6.2/6.4

AC8.5/8.7



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