Technical Specifications

Technical Specifications For Single Phase Model ELTR 007/1Ph

• Input Starter panel
• 2 pole MCB of 240 V/1A.
• DOL 3A Contactor with 230V / 50 Hz / 11VA COIL.
• Bimetallic thermal O/L relay with range 1.4A – 2.3A.

 

• Lamp Load Panel X 1 set
• Each panel consists of 230V /15/40/60/100W X 1 bulbs with individual ON/OFF using 6A toggle switch

 

• Contactor panel X 1 set
• 3A Contactor with 230V / 50 Hz / 11VA COIL with NO type power contact 2 NO & 2 NC add on Logic contact.

 

• Over Load Relay Panel
• Bimetallic thermal O/L relay with range 240V/1.4A – 2.3A with power contacts.
• Supports trip Contact & Alarm contact.

 

• Push Button Panel
• Consists of Industrial grade Illuminated push button with one NO & one NC contact.
• Supports One Mushroom Switch, 2 nos of smaller type instruments grade push buttons with one NO & one NC contact for each.

 

• 2 Pole 7 way CAM Switch Panel
• Consists of 2 pole 7 way CAM switch connection brought out on Banana.

 

• Alarm Annunciator Panel
• Consists of two nos. potential free fault contacts.
• Supports two nos. of fault windows with flashing indication & Alarm annunciation.

 

• Dual Timer Panel
• Consists of two nos of Individual Timers 24V DC or 230VAC operated supply coil.
• Each Timer Supports 2 NO & 1 NC contacts.

 

• Relay Panel
• Consists of 4 nos of change over type relays with NO, NC & Common contacts for each with supply coil of 24VDC. Supports lamp LED lamp Indication for 8 outputs.

 

• Transformer Assembly Kit (Optional)
• Includes E & I laminations to make suitable stacks;
• Copper wires of 5 different gauges for winding;
• 5 types of Bobbins.
• Suitable to wind and re-wind
• i) Step up transformers;
• ii) Step down transformers up to 50VA max.

 

• Components
• Resistors : 1 K, 10 K, 100 K
• Capacitors : 10 uf, 100 uf and 1000 uf
• Inductors : 5 mH, 10 mH, 20 mH

 

• Measurement Panel:
• Voltmeters & Ammeters Panel to measure voltages of test results

      For Three Phase Model ELTR 007/3Ph

• Input 3 phase DOL Starter panel
• 4 pole MCB of 415 V/1A.
• DOL 9A Contactor with 230V / 50 Hz / 11VA COIL.
• Bimetallic thermal O/L relay with range 1.4A – 2.3A.

 

• Lamp Load Panel X 2 nos
• Each panel consists of 230V /15/40/60/100W X 3 bulbs with individual ON/OFF using 6A toggle switch

 

• Contactor panel X 3 nos
• 9A Contactor with 230V / 50 Hz / 11VA COIL with 3 nos NO type power contact 2 NO & 2 NC add on Logic contact.

 

• Overload Relay Panel
• Bimetallic thermal O/L relay with range 440V/1.4A – 2.3A with 3 power contacts.
• Supports trip Contact & Alarm contact.

 

• Push Button Panel
• Consists of Industrial grade Illuminated push button with one NO & one NC contact.
• Supports One Mushroom Switch, 4 nos of smaller type instruments grade push buttons with one NO & one NC contact for each.

 

• 3 Pole 7-way CAM Switch Panel
• Consists of 3 pole 7 way CAM switch connection brought out on Banana.

 

• Alarm Annunciator Panel
• Consists of four no potential free fault contacts.
• Supports four no of fault windows with flashing indication & Alarm annunciation.

 

• Dual Timer Panel
• Consists of two nos of Individual Timers 24V DC or 230VAC operated supply coil.
• Each Timer Supports 2 NO & 1 NC contacts.

 

• Relay Panel
• Consists of 8 nos of change over type relays with NO, NC & Common contacts for each with supply coil of 24VDC. Supports lamp LED lamp Indication for 8 outputs.

 

• Transformer Assembly Kit
• Includes E & I laminations to make suitable stacks
• Copper wires of 5 different gauges for winding
• 5 types of Bobbins.
• Suitable to wind and re-wind
• i) Step up transformers
• ii) Step down transformers up to 50VA max.

 

• Motor Re-Winding (Optional)
• Dis-assembled 300W 3ɸ AC Motor:
• ½HP, ¾HP and 1HP Motor Assemblies
• Rotors and Stator assemblies.
• Copper wires and insulation materials to teach motor winding, re-winding and repairs.
• Suitable to demonstrate winding & re-winding of at least 3 different types of motors.

 

• Components
• Resistors : 1 K, 10 K, 100 K
• Capacitors : 10 uf, 100 uf and 1000 uf
• Inductors : 5 mH, 10 mH, 20 mH

 

• Measurement Panel:
• Voltmeters & Ammeters Panel to measure voltages of test results

  List of experiments supported

• Study of components in three phase electrical systems and their Operations.
• Study of Hold ON Contact Logic. .
• Study of interlocking contact logics with trip indication.
• Study of DOL starter logic.
• Study of Star-Delta Logic
• Study of phase reversal logic.
• Study of Sequential logic to start motors in a process plant using timers & AA panel.
• Transformer Winding & Re-Winding to make step-up and step-down transformers.
• Motor Winding & Re-Winding to assemble & re-assemble the motor

  Required Services

• Three Phase 440V @ 50 Hz & Single Phase 230V @ 50Hz Power Supply
• Standard Test Bench for Placement of parts
• Hand Tools for fitting and re-fitting of parts.