Numerical Current And Auto Recloser JNC 268

With the aim of meeting the ever-changing demands of our customers, we are committed to offering a wide range of JNC 268 Automatic Recloser and Automatic Recloser.

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Not mentioned
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Product manufactured In:
India
Type :
Numerical Over Current Relay with Communication JNC 068 CALPS
Current Rating ( In ) :
1A / 5A ( Site Selectable)
Weight :
2.5 Kgs.(Approx)
Case Size :
Fascia 144mm X 144mm Depth 232mm
Installation :
Flush Mounting
Panel Cutout :
138mm X 138mm
Operating Value(IDMT) :
105% To 125%
Operating Value (Def Time) :
95% To 115%
Hiset Operating Value :
Plus-Minus (7% Or 30ms) Whichever Is Higher
Drop-Off / Pick-Up :
Between 70% To 98%
Trip / Lockout/ Self Supervision/Breaker Close Relay :
10A At 24V DC / 230V AC
Loaded Contact :
100,000 Operations Minimum
Unloaded Contact :
1000,000 Operations Minimum
Current Input :
0.4VA Per Phase (Rated 5A)
Aux. Supply :
Less Than 8W (Non Operated)
Phase O/C (IDMT) :
50 To 200% In Steps Of 5%
Hi-Set Operating Time :
0 To 500ms In Steps Of 50ms
Max. Shots (Reclosing) :
Maximum Of 5
Dead Time 1 To 5 :
0.5 To 250s In Steps Of 0.1s
Reclaim Time :
10 To 250s In Steps Of 1s
Line CT Primary :
In To 2500A
Additional Details

The relay measures the line current of each of the phases and, if it exceeds the defined threshold, the relay extends a tripping signal after a period of operation. The operating time of the relay is determined by selecting the defined time OR one of five inverse time characteristics.Multiple firing self-closing facilitates automation related to closing a circuit breaker. The reminder feature can be programmed to provide up to five photos. The dead time starts only when a phase fault or ground fault occurs. After a time interval equal to the dead time, the closing command will be extended. The recovery timer starts when the timer expires. If, after prolonging the "circuit breaker" signal, an overcurrent fault has been detected before the recovery timer has reached its count, the relay understands that the fault in the system persists and the overcurrent relay emits a signal. trigger. The relay attempts to close the circuit breaker for a maximum of the programmed number of strokes before choosing to lock it.

 

Features:

Suitable for 1A / 5A relay

Choice of 5 IDMT curves and defined time

Programmable overcurrent relay or overcurrent relay with automatic multi-tap reclosing

Travel test facility

History of the last 6 faults

Self-supervision installation

Independent setting of the trigger sequence (IDMT / Def.Time)

Circuit breaker status monitoring

Standard dimension - 144mm x 144mm

IEEE COMTRADE Disturbance Records (DR)

Event Records (ER)

MODBUS open protocol on the RS-485 port

MODBUS protocol via the RS-232 port

Draw an installation with an integrated CT short circuit

Standard dimension - 144mm x 144mm

 

Application:

The relay provides ground fault protection, a graduated time delay, an automatic callback function and a SCADA function.

With almost more than a decade of experience and rich technological expertise, we are able to offer a precision designed range of Electrical Protection Instruments.

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