46639 Numeric IDMT over Current Relay Trainer is a rugged training system for the Electrical laboratories mounted on Aluminum profile rack with sturdy table top flat panel. Each panel has sturdy ABS plastic molded enclosure with 4mm shrouded connectors showing circuit diagram & its connection tag numbers for easy understanding and connections. The product helps you to get fully acquainted with the basic concepts and functioning of Numeric IDMT Over Current Relay.

Features    

• Aesthetically designed Aluminum Profile Structure
• ISI/CE marked branded Components/ Meters are used
• ABS plastic enclosed Panel Board with mimic diagram
• All input & output are terminated in 4mm shrouded connector,
• 4mm banana cable for experiments.

List of Experiment

1. To plot Inverse Definite Minimum Time (IDMT) characteristics of over current relay
2. To plot Definite characteristics of over current relay

Specifications 

1. Rack
   •     Material : Aluminum Profile
   •     Material Dimension : 40 x 40 mm
   •     Table Top Panels : 1 No.
   •     Mimic diagram : Provided on each Panel
   •     Termination on panel : 4mm shrouded connector
   •     Input / Output : 4mm shrouded cable of various length
2. DOL starter panel    Phase    Three
   •     MCB : 4 pole, 415 V/4A
   •     Contactor : 9A, 230V / 50 Hz / 11VA COIL.
   •     Display : Indicators for R-Y-B Input
   •     Start / stop : Manual type with local trip contact
3. Multifunction meter panel    Type    Bidirectional Multifunction
   •     Phase : 3 Phase 3/4 wire
   •     Voltage : 415V
   •     CT Input : 5A    
   •     Display : LCD/LED
   •     Aux supply : 230V, 45-65 Hz, 5W
   •     Measurement Units : V, A, Hz, Pf, KVA, KW, KWH
   •     PC Communication (OPTIONAL) : Modbus RTU RS485
4. Voltage / Current Injector Panel    
   •     Input Voltage : 230V AC, 50 Hz    
   •     Output Voltage : 0-270V / 3A
5. Over Current & Elapsed Time Counter Panel    
   •     AC Ammeter : 20 A
   •     Counter Range : 999.001 Sec
   •     Resolution : 1 m Sec
6. Relay Panel    
   •     Connector : Relay Coil
   •     Connection : All connection of relay are brought out on this panel
7. Lamp Load Panel    
   •     Lamp Load : 15W / 40W / 60W / 100W / 200W, 230V AC (3 No's)
   •     Toggle Switch : 6A, ON/OFF for each bulb
8. Resistive Load panel    
   •     Resistors : 750E/600E/300E/212E/162E/125/112E/100E/ 400W / 8 steps + OFF + 60E Tap for DC series Generator
   •     Switch : to run on no load
9. Table Top Protection Relay    
   •     Type : 3 phase Numerical IDMT Over Current relay
   •     Rated Current : 1A / 5A User Selectable
   •     Aux. Voltage Range : 85-275V AC/DC, 21-130V DC
   •     Contacts : 2 NO&2 NC
   •     Frequency : 50 Hz / 60Hz
10. Table Top Variac (Optional)    
    •     Phase : Three
    •     Input Voltage : 415 VAC, 50 Hz
    •     Output Voltage : 470 V AC /3A

Accessories

1. Set of Shrouded Cables
2. Manual with Experiments

Optional Accessories

1. Working Table    1No.
2. Hand Held Tachometer    1No.
3. Multimeter    1No.
4. Tool Kit    1No.
5. Demo CD showing Experiments    1No.