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部品番号 3TF31
部品説明 AC Contactors
メーカ Siemens
ロゴ Siemens ロゴ 
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3TF31 Datasheet, 3TF31 PDF,ピン配置, 機能
Contactor
Instructions
3TF30, 3TF31
DIN VDE 0660, IEC 60947
Order No.: 3ZX1012>0TF00>1AA2
! Limited protection against contact with live parts
Degree of protection IP 20 to IEC 60529
Safe from finger touch to DIN VDE 0106, Part 100
Commissioning and maintenance by qualified personnel only.
Follow the operating instructions.
Cleaning
Remove dust by suction.
Auxiliary contact block
For replacement see Fig. V.
WARNING:
HAZARDOUS VOLTAGE
CAN CAUSE ELECTRICAL SHOCK
AND BURNS.
DISCONNECT POWER BEFORE PROCEEDING
WITH ANY WORK ON THIS EQUIPMENT.
Installation
For dimension drawings (dimensions in mm) see
> Fig. I a
> Fig. I b
a.c. operated
d.c. operated
1) Minimum clearances from earthed parts
Snap onto 35 mm standard mounting rail to DIN EN 50 022 or fix on a
plain surface with two M4 screws. With screw mounting, always use
plain washers and spring washers.
Cover the contactors during installation if foreign particles, such as
swarf, can fall onto them. Install contactors in a housing if they are
exposed to dirt, dust or aggressive atmospheres.
For permissible mounting positions see
> Fig. II a a.c. operated
> Fig. II b d.c. operated
Connection
The terminal screws can be tightened with a power screwdriver.
Screwdriver blade width: 5 to 6 mm
Permissible cross>sections for main and auxiliary conductors :
Solid
Finely stranded, with end sleeve
2¥0.5 to 1 mm2
2¥1 to 2.5 mm2
1¥4 mm2
2¥0.75 to 2.5 mm2
AWG wires
2¥AWG 18 to 12
Tightening torque standard type
0.8to 1.4 Nm/7 to 12 lb.in
Tightening torque auxiliary contact block 0.8to 1.1 Nm/7 to 10 lb.in
Use 75 ∞C copper wire only.
For circuit diagram and position of connection terminals see Fig. III.
For circuit diagram (NEMA) see Fig. A.
> Fig. III a 1NO
> Fig. III b 1NC
> Fig. III c without auxiliary contacts
Operation
Observe operating voltage (see rating plate of magnet coil).
The operating state of the contactor is shown by the position of the
contact carrier; see Fig. IV.
When the system voltage is applied and the load is connected,
! do not operate the contactor by pressing down the contact
carrier.
Maintenance
The following components can be replaced: magnet coil and single>
pole auxiliary contact block 3TX40.
For Order Nos. see Catalog NSK.
Only use of original spare parts ensures the operational safety of the
contactors.
Magnet coil
For coil replacement see Fig. VI.
> Fig. VI a a.c. coil
> Fig. VI b d.c. coil
Ensure that the pole faces of the magnet coil are clean. Do not use grease
solvents or sharp objects for cleaning.
Technical Data
Permissible ambient temperature
> Operation
> Storage
> 25 to+55 ∞C
> 50 to+80 ∞C
Main circuit
Rated insulation voltage Ui
Rated operational current Ie/AC>1 (55 ∞C)
> Open model
> Closed model
AC 690 V
A 20
A 16
Rated operational voltage
> 230 V
> 400 V
> 500 V
> 690 V
Motor rating PN/AC>3
3TF30 3TF31
kW 2.4
kW 4
kW 5.5
kW 5.5
3.3
5.5
7.5
7.5
Horsepower Ratings ( and
Rated insulation voltage Ui
Continuous current
(open and enclosed type)
> 200 V
> 230 V
> 460 V
> 575 V
ratings)
AC 600 V
Rated output of three>phase
motors at 60 Hz
3TF30..>....1 3TF30 3TF31
NEMA/EEMAC
SIZE 00
A9
20 20
hp 1Ω
hp 1Ω
hp 2
hp 2
23
33
5 7.5
7.5 10
Suitable for use on a circuit capable of delivering not more than 5000 rms
symmetrical amperes, 600 V max.
Short>circuit protection:
Degree of protection to
DIN VDE 0660 part 102 A/IEC 60947>4 **
> Assignment type 1
> Assignment type 2
> Non>welding IKf100¥Ie
> Circuit>breaker, C>char.
A
A
A
A
Fuse>links Duty class gL
(gG)
3TF30 3TF31
35 35
16 16
10 10
16 25
2

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