96 Sq mm OVER CURRENT RELAY JRC 966

OVERVIEW

    Features

  • Software based design
  • DIP switch settings
  • Choice of four curves
  • Instantaneous high set
  • Very low burden

Application:

Time graded protection of generators, Transformers,
capacitors etc;

96 Sq mm OVER CURRENT RELAY JRC 966

 

SPECIFICATIONS

Ratings:

Current rating ( In )

:

1A or 5A

Auxiliary Supply

 

:

20 to 60V DC or
80 to 260V AC/DC

     

Settings:

Over current (I>)

 

:

 

50 to 200% in steps of 10%

Instantaneous high set

:

2 to 16 times 1> set value

     

Operating Characteristics:

Inverse time Characteristics

:

3s Normal inverse
1.3s Normal inverse
1.5s Very inverse
0.8/0.6s Extremely inverse

Time multiplier setting (TMS)

:

0.01 to 1.6 in two ranges
1st range : 0.01to 0.32 in steps of 0.01
2nd range : 0.05 to 1.6 in steps of 0.05

     

Burden:

Auxiliary circuit

:

3W (Non-operated)
6W ( Operated

Current input circuit

:

1A – 0.05 VA (max) at rated current
5A – 0.2 VA (max) at rated current

     
 

Accuracy:

Operating value

:

105 to 120% of set current

Resetting value

:

80 to 97% of the pickup value

High set operating value

:

±5%

Inverse operating time

:

±5% or ± 30ms (which ever is higher)

High set operating time

:

< 40ms @ 2 times the set current

Reset time

:

200 to 250ms

Over shoot time

:

Less than 100ms

 

Output Contacts

For JRC 951P, JRC 952,

:

Trip – 1N/O

JRC 962P, JRC 964 relays,

:

Alarm – 2N/O

For JRC 953 & JRC 966
relays

:

2N/O contacts

     

Contact Rating

For JRC 951P, JRC 952,

:

Trip – 10A at 24V DC/ 230V AC

JRC 962P, JRC 964 relays

:

Alarm – 5A at 24V DC/ 230V AC

For JRC 953 & JRC 966
relays

:

5A at 24V DC/230V AC

     
 

Mechanical Design:

Weight

:

550gms approx.

Case Size Fascia

:

96sqmm, Depth 105mm

Installation

:

Flush mounting

Panel cutout

:

92mm x 92mm

 

Standard Compliance:

Accuracy test

:

IEC 60255-3

Insulation test

:

IEC 60255-5

1MHz HFD test

:

IEC 60255-22-1

     
 

96 Sq mm OVER CURRENT RELAY JRC 966

DOWNLOADS

DEFINITE TIME EARTH LEAKAGE RELAY JRC 974

Catalogues:

DOWNLOAD

Operating Manual:

DOWNLOAD

 

96 Sq mm OVER CURRENT RELAY JRC 966

 

ORDERING INFO.

Ordering Information:

Relay type

 

:

 

JRC 966 - 3 Pole IDMT With High set
JRC 953 - 3 Pole IDMT Without High set
JRC 964 - 2 Pole IDMT With High set
JRC 952 - 2 Pole IDMT Without High set
JRC 962P - 1 Pole IDMT With High set
JRC 951P - 1 Pole IDMT Without High set

 

Auxiliary Supply

:

20 to 60V DC or 80 to 260V AC/DC

 

96 Sq mm OVER CURRENT RELAY JRC 966

 

A WebSpotLight creation by Netsoft.