Siemens 3TF48, 3TF49 User Manual

Name: Siemens 3TF48
Brand: Siemens
SKU: 8343760
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	3TF48 3TF49
Q/SMS 003 GB14048.4 DIN VDE 0660 IEC 60947-4-1
A001253	XK06-201 0025

		4NEB 524 4680-10 f4
!


!
!
IP 00 IEC 60529
IP 00 IEC 60529
DIN VDE 0106 100
DIN VDE 0106 100

4NEB 526 4590-10

/1 2 3 /4 5 6

2 M5

6.2Nm

/1 2 3 /4

/5 6 7

DIN EN50027

1) (mm2)

6~35

2.5~35

2 ×25

1) (mm2)

10~35

2.5~35

2 ×25

(mm2)

6~50

2.5~50

2 ×35

2.3 kg

AWG

10~1/0

18 ~1/0 2 ×1/0

-25 ~+55

18~20 mm / 43 in

4~6 Nm / 36~52 lb.in

-50 ~+80

1 18 mm

DIN 46228

1000V

b /1,2,3

AC-3

3TF48

3TF49

- 230V

3TF48/3TF49

- 240V

- 400V

10~35mm2

- 415V

10~50mm2

- 500V

12×3

- 690V

AWG

7~1/0

- 1000V

M6×20

3TF48

3TF49

4~6 Nm / 36~52 lb.in

Ie/AC-1 55 690V

100

2 3TX7 466-0A

Ie/AC-3

500V

d/e

Ie/AC-3

690V

2×0.5~1 2×1~2.5 1×4mm2

DIN VDE 0660,

gL(gG)

2×0.5~1 2×0.75~2.5 mm2

102A /IEC 60947-4-1 **

3TF48

3TF49

DIN 46231

2×1~1.5 mm2

- 1

250

B2.8

2×0.3~1.5 mm2

- 2

160

2×18~12

- IK 100×Ie

100

AWG

- IK≥100×Ie

125

10mm / 0.4in

0.8~1.4Nm / 7~12lb.in

3TX7 500-0A a

Ie/AC-15/AC-11

AC 230V 5.6A

a 2NO+2NC

b 4NO+4NC

- NEOZED DIAZED

gL(gG),16A

10A

16A

** IEC 60947/ VDE 0660

“ 1” “ 2”

Contactor	3TF48 3TF49
Q/SMS 003 GB14048.4 DIN VDE 0660 IEC 60947-4-1
A001253	XK06-201 0025

Instructions

Order No. 4NEB 524 4680-10 f4

English

Operation

WARNING

Hazardous voltage

Observe operating voltage ( see rating plate of magnet coil ).

can cause electrical shock and burns.

The operating state of the contactor is shown at the position indicator; see Fig. V.

Disconnect power before proceeding

After a short circuit the main contacts and the arc chute must be checked.

with any work on this equipment.

Maintenance

Limited protection against contact with live parts

The following components can be replaced: main contacts, arc chute, magnet coil,

Degree of protection IP 00 to IEC 60529.

auxiliary contact blocks. For Order No. see Catalog.

Safe from finger touch to DIN VDE 0106, Part 100.

Only use of original spare parts ensures the operational safety of the contactors.

Commissioning and maintenance by qualified personnel only.

Hazardous voltage can cause electrical shock and burns.

Follow the operating instructions.

Disconnect power before proceeding with any work on this equipment.

For DC operation (DC economy connection) see operating instructions 4NEB 526

Cleaning

4590-10

Remove dust by suction.

Installation

Auxiliary contact block

For dimension drawings see Fig. I (dimensions in mm ).

For replacement see Fig. VI /1,2,3; for extension see Fig. VI /4,5,6.

Fix on a plain surface with two M5 screws –max. tightening torque 6.2 Nm.

Arc chute and main contacts

Always use plain washers and spring washers.

Remove arc chute (Fig. VII/1,2,3). Check main contacts (Fig. VII/4). If necessary

Cover the contactors during installation if foreign particles, such as swarf, can fall

separate slightly welded contacts with a screwdriver.

onto them. Install contactors in a housing if they are exposed to dirt, dust or

Dark or tough contacts can still function. Do not refinish or grease them. If the contact

aggressive atmospheres.

facings are eroded so that the carrier material becomes visible (Fig.VII/4a), all contacts

For permissible mounting positions see Fig. II.

must be replaced.

Connection

For replacement of contacts see Fig.VII/5,6,7. It is not necessary to disconnect the main

Tighten all terminal screws even if not used.

conductors. Check the arc chute and replace it if necessary.

Permissible conductor cross-sections for main terminals:

With the arc

chute removed,

the contactor

is mechanically interlocked. Coil

excitation is not permitted under these conditions.

With box terminal

Magnet coil

According to DIN EN 50 027

For coil replacement see Fig. VIII.

-- see Fig. III a

Finely stranded with end

6 to 35

2.5 to 35

max. 2×25

Ensure that the pole faces of the magnet coil are clean. Do not use grease solvents or

sleeve (mm2 ) 1)

sharp objects for cleaning.

Finely stranded without end

10 to 35

2.5 to 35

max. 2×25

Technical Data

sleeve

(mm2 )

Solid, stranded

(mm2 )

6 to 50

2.5 to 50

max. 2×35

Weight

approx. 2.3 kg

AWG wires, stranded

10 to 1/0

18 to 1/0

max. 2×1/0

Permissible ambient temperature

- Operation

-25 to +55

Stripped length

18 to 20 mm /

- Storage

-50 to +80

Tightening torque

4 to 6 Nm / 36 to 52 lb.in

Main circuit

1) The ends of non-stranded cables must be twisted or 18mm long ferrules to DIN 46228

Rated insulation voltage Ui

AC 1000V

Part 1 must be used.

Rated output AC-3

3TF48

3TF49

Crimping tools PZ16 and PZ35 from Weidmuller are recommanded for the end sleeves.

at -230V

Before mounting the box terminals (see Fig. III b ) ,the arc chute must be removed (see

-240V

Fig. VII/ 1,2,3 ).

-400V

Without box terminal

-415V

-see Fig.III c

-500V

1or 2 conductors can be connected

3TF48/3TF49

-690V

Finely stranded (mm2 ) with terminal pin 2 )

10 to 35

Stranded (mm2 ) with terminal pin 2)

10 to 50

-1000V

Terminal bars

12×3

Rated operating current

3TF48

3TF49

Ie/AC-1( 55 ) to 690V

100

AWG wires, stranded and solid

7 to 1/0

Ie/AC-3

to 500V

Terminal screws

M6×20

Ie/AC-3

at 690V

Tightening torque

4 to 6 Nm / 36 to 52 lb.in

Short-circuit protection

2) Use cover 3TX7 466-0A for oversized cable lugs installation see Fig. III d/e.

Permissible conductor cross-sections for auxiliary terminals:

Degree of protection to DIN VDE 0660, Part

Fuse-links, gL(gG)

102A/IEC 60947-4-1 **

3TF48

3TF49

Solid

2×0.5 to 1; 2×1 to 2.5; 1×4 mm2

-Assignment type 1

250

Finely stranded with end sleeve

2×0.5 to 1; 2×0.75 to 2.5 mm2

Terminal pin in accord. with DIN46231 2×1 to 1.5 mm2

-Assignment type 2

160

Push-on receptacle B2.8

2×0.3 to 1.5 mm2

-non-welding IK 100×Ie

100

AWG wires, stranded and solid

2×18 to 12

-non-welding IK≥100×Ie

125

Auxiliary circuit

Stripped length

10mm / 0.4 in

Rated operating current Ie/AC-15/AC-11

5.6A at AC 230V

Tightening torque

0.8 to 1.4Nm / 7 to 12 lb.in

Short-circuit protection:

Installation of auxiliary conductor terminal 3TX7 500-0A (accessory) see Fig. III a.

For circuit diagram and position of connection terminals see Fig. IV.

- Fuse-links

NEOZED and DIAZED

gL (gG), 16A

Fig. IV a 2NO+2NC;

Fig. IV b

4NO+4NC

- Circuit-breaker

C,10A;B,16A

Use 75 copper wire only.

For further data and accessories see Catalog

* *Footnote: According to IEC 60947 / VDE 0660,the types of protection mean:

“Assignment type 1 ”: Short circuits can cause damage to the contactors making replacement of the equipment necessary. “Assignment type 2 ”: Easily separable contact welding but no other damage.

Siemens Electrical Apparatus Ltd., Suzhou

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