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Function |
Relay Type |
Technical Particulars |
Applications |
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1. |
Triple pole Solid State non-directional IDMTL Over current & Earth Fault Relay in Draw-out-case
(3 O/C OR 2 O/C + 1 E/F) |
JTRSA |
- O/C : 50 to 200% OF 5A / 1A
- E/F : 10 to 40% OF 5A / 1A 20 to 80% OF 5A / 1A
- Instantaneous Unit : 400% to 2000%
- Characteristics : 3Sec / 1.3 Sec
- Aux Supply : 24/30/50/110/220 VDC
- LED Flag Indicators |
Used for protection of motors, generators, transformers, distribution lines and as back-up relay on EHV transmission lines. |
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2. |
Single Pole Solid State non-directional IDMTL in Draw-out case |
JSRSA |
As per Sr. No.1 |
As per Sr. No. 1 |
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3. |
Single Pole Solid State non-directional IDMTL Over current or Earth Fault Relay in Draw-out-case |
JSRSA |
- With Very Inverse Characteristics
- Rest as per Sr. No. 1 |
As per Sr. No. 1 |
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4. |
Single Pole Solid State Directional IDMTL Over current or Earth Fault Relay in Draw-out-case |
JDRSA |
- Max Torque Angle for O/C 45 Deg / 30 Deg. Lead
- Max. Torque Angle for E/F
45 Deg. Lag |
Used for the ring mains, parallel feeders, parallel transformers, etc. |
Relays Sr. No. 1 to 4 are also available without instantaneous unit. |
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5. |
Instantaneous Under / Over voltage relay in Draw-out-case |
PV |
- Voltage Setting Range :
- Under Voltage : 40 to 80% or 30 to 90%
- Over Voltage : 110VAC, 50 Hz
- Nominal Voltage : 110 VAC, 50 Hz
- Aux Supply : 24/30/48/110/220 VDC
- LED Flag Indicators
- Relay with any fix voltage setting also available
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- Over voltage protection of generators, power capacitors, etc.
- Under voltage protection of AC motors.
- Automatic voltage change over schemes. |
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6. |
Definite Time Lag Under / Over Voltage relay in Draw-out-case |
SPVK |
- Time range : 0.05 Sec to 120 Secs.
- Rest as per Sr. No. 5 |
As above |
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7. |
Instantaneous electro-mechanical 3 -pole current operated relay |
PA |
- With three current measuring elements RMA
- Current Ranges
0.006 to 0.024 - 1.5 to 6.0
0.024 to 0.096 - 2.4 to 9.6
0.06 to 0.24 - 3.0 to 12.0
0.075 to 0.30 - 4.5 to 18.0
0.2 to 0.8 - 6.0 to 24.0
0.3 to 1.2 - 12.0 to 48.0
0.6 to 2.4 - 18.0 to 72.0
1.2 to 4.8 - 24.0 to 96
- With LED indicators
- With one output relay RE - 300 (AC/DC)
- Aux Voltage : 24/30/50/110/127/220 VDC
: 110/240 VAC, 50 Hz.
- With plug-in base (Case ref. EGE-301)
- Two Pole & Single Pole relays are also available |
- Over current & Earth fault protection of feeders, transformers, motors, alternators, etc.
- Sensitive earth fault protection in isolated /ineffectively earthed system
- Restricted earth fault protection of transformers / generators
- Differential protection of generators / motors |
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8. |
Definite Time Lag Current Operated Relay |
SPAK |
- With three current measuring elements RMA
- Current Ranges as per Sr. No. 5 but highest 6 to 24 Amps.
- With one unit of time delay relay type SRT-11C
(Aux. Supply : 24/30/48/110/127/220 VDC)
Time Ranges :
0.1 to 2.0 secs
0.3 to 6.0 secs
0.5 to 10.0 secs
1.0 to 20.0 secs
1.25 to 25.0 secs
- With LED indicators
- With plug-in base (case ref. EGE-301)
- Two Pole & Single Pole relays are also available. |
- Time graded over current & earth fault protection of motors, alternators, transformers, etc.
- Definite time over current protection against phase & earth fault on medium & low voltage distribution systems.
- Sensitive earth fault protection.
- Stalling protection of motors.
- Overload protection for motor feeders. |
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9. |
Solid state trip circuit supervision relay |
JTS-11
JTS-10 |
- With supervision under breaker 'ON' and breaker 'OFF' condition
- With LED Indicator (H/R)
- Aux. Supply
24/30/50/110/127/220 VDC
- Case ref. EGE-201
- With supervision only under breaker 'ON' condition
- Rest as per Sr. No. 9 |
Used for supervision of a circuit breaker, for initiation of alarm and visual indication if the trip circuit fails or the circuit breaker mechanism does not operate. |
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10. |
Solid state time delay relay with delay on pickup or drop-off |
SRT-11C
SRT-22 |
- Aux. supply 24/30/50/110/127/220 VDC
- With LED indicator (H/R)
-Times ranges :
0.05 to 1.0 - 1 to 20
0.1 to 6.0 - 3 to 30
0.3 tp 6.0 - 6 to 120
0.5 to 10.0 - 15 to 300
- Case ref. EGE-201 |
Used for time graded selective protection and industrial processes where a large number of operations are required with high reliability and consistent accuracy. |
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11. |
Power Unit |
JDL-110 |
- With trip circuit healthy and DC healthy indicators (For captive tripping of circuit breakers)
- With 20 watt-sec output energy
- Input Voltage 110/240 VAC, 50 Hz.
- Output Voltage 110 VDC
- Without plug-in-base (Case ref. EGE-301)
- With 20 watt-sec output energy and built in RE-300 relay |
Where provision of station batteries is not economical, power unit is used for energizing trip coil of the circuit breaker. |
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12. |
Voltage operated Auxiliary Relay |
RE-300 |
- With 4 C/O contacts
- With plug-in-base suitable for front and rear connections
- With Electromechanical Flag
- Coil voltage DC : - 12,24,30,48,50,75,110,127,220,240 & 250 V
- Coil burden 4 watts
- Pick-up 80%(max)
- Coil voltage AC, 50 Hz. 24, 30, 36, 110,115,127,150,220,230,240 415 V
- Coil burden 6 VA (3W)
- Pick up 80% (max)
- Non-standard voltage coils within the range of 6V to 250V or up to 415 VAC, 50 Hz. can be supplied against specific requirements (anyone)+/- 10%, 50Hz +/- 3%, Single Phase. |
- Auxiliary relay panels
- Multiplication of contacts
- Voltage selection
- Anti-pumping
- As an output relay in PLC systems
- Fuse failure indication in control circuits |
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13. |
Mini Auxiliary relay |
RE-400 |
- With 4 C/O contacts
- With plug-in base suitable for front connection
- Coil voltage DC:
12,18,24,30,48,50,75,110,115,220 V
- Coil burden 2.3 watts
* Pick up 80% (max)
- Coil voltage AC, 50 Hz.
- 12, 18, 24, 30, 48, 50, 63 5, 110, 15, 127, 220, 230, 240 V
- Coil voltage AC, 50 Hz.
- 12, 18, 24, 30, 48, 50, 63 5, 110, 15, 127, 220, 230, 240 V
- Non-standard voltage coils within the range of 6V to 250V or up to 415 VAC, 50 Hz. can be supplied against specific requirements anyone)+/- 10%, 50Hz +/- 3%, Single Phase. |
- Auxiliary relay panels
- Multiplication of contacts
- Voltage selection
- Anti-pumping
- As an output relay in PLC systems
- Fuse failure indication in control circuits |
