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Operating Instructions

Automatic Star-Delta Starter 
Extended Range (75kW-132kW)

3TE05..-2AR0

IS/IEC 60947-4-1

Technical Data

Enclosed Automatic Star delta Starter which is the 
combination of 3TF Contactors, 3UA relay and 3RP Timer with 
no derating upto +55°C,  provides overload, single phasing 
protection for three phase motors and IP54 for Enclosure.

1.  Operating Voltage ‒ 

415V ac

2.  Rated Insulation Voltage ‒

 

Main circuit : 690V 

 

Auxiliary circuit : 690V

3.  Rated Impulse Voltage ‒

 

Main circuit : 8kV 

 

Auxiliary circuit : 6kV  

4.  Coil Voltage ‒ 

415V ac

5.  Permissible ambient temperature ‒

 

Operation : -5 to 40 °C 
Temperature compensation : Upto 40 °C

6.  Frequency ‒ 

50 Hz

7.  IP Protection ‒ 

IP 54

8.  Cable incoming from Supply ‒

 

Top & Bottom both provisions

9.  Cable outgoing to Motor ‒ 

Bottom

10. Locking ‒ 

Middle lock with key

Rating

MLFB

75kW

3TE05 94-2AR0

90kW

3TE05 95-2AR0

110kW

3TE05 96-2AR0

132kW

3TE05 97-2AR0

Installation

1.  Enclosed Starter 3TE05 are Wall mounting type. Care 

should be taken to avoid shocks and prolonged vibrations. 

2.  Refer figure 8 for the mounting dimensions and figure 4 

for permissible mounted angle.

3.  "Mount on a plane surface by 4 x M10 bolts/studs, 

secured by nuts with plain and spring washers."

4.  Depending upon location of incoming and outgoing 

cables remove corresponding rubber Grommets. Ensure 

dust-proofing by using proper cable glands.

5  Select Correct Size of Cables as specified in selection 

Table 1. Remove required length of insulation and using 

the hardware specified (refer table 2) at the connection 
terminals, fix the incoming and outgoing cables. Tighten 
the screws firmly.

6  Check that line and motor connections are done as per 

wiring diagram (Figure 7) which is also pasted inside the 

door.

7  Remove any wire cutting fallen into the Starter.
8  Connect Earthing conductor to terminals marked  

Please read and understand these instructions before 
installating, operating, or maintaining the equipment. 
Keep for future reference

Danger

Hazardous voltage can cause death or serious injury. 
Disconnect power before working on equipment.

Warning

Automatic Motor Restart. 
Can cause death, serious injury or property damage.

Do not use automatic reset mode when unexpected automatic 
restart of the motor can cause injury to persons or damage to 
equipment.
Reliable functioning of the equipment is only ensured with 

certified components. Commissioning and maintenance by 
qualified personnel only.

NOTICE

This product has been designed for environment A. Use of this product 
in environment B may cause unwanted electromagnetic disturbances 
in which case the user may require to take adequate mitigation 
measures.

Summary of Contents for Automatic Star-Delta 3TE05 2AR0 Series

Page 1: ...upon location of incoming and outgoing cables remove corresponding rubber Grommets Ensure dust proofing by using proper cable glands 5 Select Correct Size of Cables as specified in selection Table 1 Remove required length of insulation and using the hardware specified refer table 2 at the connection terminals fix the incoming and outgoing cables Tighten the screws firmly 6 Check that line and moto...

Page 2: ...erage tripping time at different multiples of set current Caution 1 Switch OFF the Starter and disconnect the main supply by switching OFF the main switch before doing any maintenance 2 Under No Circumstances should the Relay be set higher than phase current i e 0 58 times the rated current on the motor nameplate 3 If the Relay trip even when set at the rated Motor current the suitability of the s...

Page 3: ... it will be automatically reset in maximum 4 minutes The Motor can be restarted only after the relay is reset H Hand Reset A Auto Reset Blue Reset Knob Figure 6 Relay Front View Q1 Line Contactor Q2 Star Contactor Q3 Delta Contactor S1 ON Push Button I S0 OFF Push Button O S4 Reset Button of relay K1 Bimetal Relay Q4 Star Delta Timer Maintenance 1 Keep the interior dust free 2 Check the tightening...

Page 4: ...ns Siemens Products are environment friendly which predominantly consist of recyclable materials For disposal we recommend disassembling and separation into following materials METALS Segregate into Ferrous Non Ferrous types for recycling through authorised dealer Disposal Dimensional Drawings all dimensions in mm 3TE05 2AR0 Table 2 Hardware Information kW Incoming Terminals Outgoing Terminals Tig...

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