3RT10161BB42 datasheet(9/70 Pages) SIEMENS

Part #	3RT10161BB42

Description	Controls ??Contactors and Contactor Assemblies

Download	70 Pages

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Manufacturer	SIEMENS [Siemens Semiconductor Group]

Direct Link	http://www.siemens.com/

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9 / 70 page

3RT, 3TB, 3TF Contactors for Switching Motors

3RT10 contactors, 3-pole, 3 ... 250 kW

3/9

Siemens LV 1 · 2006

Contactors with solid-state operating mechanism

The magnetic coil is supplied selectively with the power required

for reliable switching and holding by series-connected control

electronics.

• Wide voltage range for the control supply voltage Us:

Compared with the conventional operating mechanism, the

solid-state operating mechanism covers an even broader

range of control supply voltages used worldwide within one

coil variant. For example, the coil for UC 200 to 277 V

(Us min to Usmax) covers the voltages 200-208-220-230-240-

254-277 V used worldwide.

• Extended operating range 0.7 to 1.25 x Us:

The wide range for the rated control supply voltage and the

additionally allowed coil operating range of 0.8 x Us min to

1.1 x Usmax results in an extended coil operating range of at

least 0.7 to 1.25 x Us, within which the contactors will operate

reliably, for the most common control supply voltages of 24,

110 and 230 V.

• Bridging temporary voltage dips:

Control voltage failures dipping to 0 V (at A1/A2) are bridged

for up to approx. 25 ms to avoid unintentional tripping.

• Defined ON and OFF thresholds:

For voltages of

0.8 x Us min and higher the electronics will

reliably switch the contactor ON, and as of

0.5 x Us min it is

reliably switched off. The differential travel in the switching

thresholds prevents the main contacts from chattering as well

as increased wear or welding when operated in weak,

unstable networks. This also prevents thermal overloading of

the contactor coil if the voltage applied is too low (contactor

does not close properly and is continuously operated with

overexcitation).

• Low control power consumption when closing and in the

closed state.

Electromagnetic compatibility (EMC)

The contactors with solid-state operating mechanism comply

with the requirements for operation in industrial installations.

• Interference immunity

- Burst (IEC 61000-4-4): 4 kV

- Surge (IEC 61000-4-5): 4 kV

- Electrostatic discharge, ESD (IEC 61000-4-2): 8/15 kV

- Electromagnetic field (IEC 61000-4-3): 10 V/m

• Emitted interference

- Limit value class A according to EN 55011

Note:

When used with converters, the control cables must be routed

separately from the load cables of the converter.

Indication of remaining lifetime (RLT)

Main contactor contacts are working parts which must be

replaced in good time when the end of their service life has been

reached. The degree of contact erosion and thus the electrical

endurance (= number of operating cycles) depends on the

loading, utilization category, duty type, etc. Routine

checks/visual inspections by the service personnel are needed

in order to monitor the state of the main contacts. The "remaining

lifetime indication" function takes over this task. It does not count

the number of operating cycles – which does not provide

information about contact erosion – but instead electronically

identifies, evaluates and stores the actual progress of erosion of

each one of the three main contacts, and outputs a warning

when specified limits are reached. The stored data are not lost

even if the control supply voltage for A1/A2 fails. After

replacement of the main contacts, measurement the remaining

lifetime must be reset using the "RESET" button (hold down

RESET button for about 2 seconds using a pen or similar tool).

Advantages:

• Signaling through relay contact or AS-i when remaining

lifetime is 20 %, i.e. contact material wear is 80 %

• Additional visual indication of various levels of erosion by

means of LEDs on the laterally mounted solid-state module

when remaining lifetime is 60 % (green), 40 % (orange) and

20 % (red)

• Early warning to replace contacts

• Optimum utilization of contact material

• Visual inspection of the condition of contacts no longer

necessary

• Reduction of ongoing operating costs

• Optimum planning of maintenance measures

• Avoidance of unforeseen plant downtimes

3RT1. ..-.N version: for 24 V DC PLC output

2 control options:

• Control without an interface directly through a

24 V DC/

30 mA PLC output (EN 61131-2). Connection by

means of 2-pole plug-in connection. The screwless spring-

operated connector is part of the scope of supply. The control

supply voltage which supplies the solenoid operating

mechanism must be connected to A1/A2.

Note:

Set the slide switch for PLC operation to "PLC ON" before

commissioning (factory setting: "PLC OFF").

$ Slide switch must be in

"PLC ON" position

% Plug-in connection, 2-pole

• Conventional control by applying the control supply voltage at

A1/A2 through a switching contact.

Note:

Slide switch must be in "PLC OFF" position

(= factory setting).

$ Slide switch must be in

"PLC OFF" position

R L T

R e s e t

6 0 %

4 0 %

2 0 %

6 0 %

R L T

R e s e t

6 0 %

4 0 %

2 0 %

4 0 %

R L T

R e s e t

6 0 %

4 0 %

2 0 %

R L T

R e s e t

6 0 %

4 0 %

2 0 %

N S B 0 _ 0 1 1 5 0 a

L E D -

D i s p l a y s

g r e e n

r e d

o r a n g e

n e w

D C 2 4 V

L 1 / L +

N / L -

A 1

A 2

P L C

O F F O N

1

2

D C 2 4 V

L 1 / L +

N / L -

A 1

A 2

P L C

O F F O N

1

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