Zhejiang KRIPAL Electric Co., Ltd.
Zhejiang KRIPAL Electric Co., Ltd 30 years experience in manufacturing ac contactor, rotary isolator switch, industrial plug socket, molded case circuit breaker and etc
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KLR733 Protection Relay , Reclosing Earth Leakage Relay Operating Time 15ms Max
Features
① Numerical self-reclosing earth leakage relay
② Programmable current sensitivity and time delay
③ Programmable number of reclosing
④ Programmable time delay for reclosing
⑤ Programmable automatic reset time
⑥ Built-in digital harmonic filter
⑦ Detection of no connection to current transformer
⑧ External test and external reset dry contact inputs
⑨ Tripping contact output
⑩ Alarm output
⑪ Real-time leakage current display
⑫ Relay tripped indicator
⑬ Leakage current recording when tripped
⑭ IEC60755 standard
Technical Data
| Settings | |
| Sensitivity adjustment | Range 1 is stepping from 0.03A-0.05A-0.10A-0.15A |
| Range 2 is from 0.2A to 0.75A in step of 0.05A | |
| Range 3 is from 0.80A to 3.00A in step of 0.05A | |
| Delay time adjustment | From 0.05 to 3.00 sec in step of 0.05 sec |
| From 3.00 to 10.0 sec in step of 0.50 sec | |
| Number of self-reclosing | From 1 to 100 times in step of 1 |
| Reclosing time delay | From 1 to 999 sec in step of 1 sec |
| Automatic reset time | From 1 to 999 min in step of 1 min |
| Contacts | |
| Contact arrangement | Change-over |
| Contact rating | 6A,250V AC (cos∮=1)for tripping contact |
| 5A,250V AC (cos∮=1)for alarm contact | |
| Contact material | Silver alloy |
| Operating time | 15 ms max. |
| Expected electrical life | 100000 operations at rated current |
| Expected mechanical life | 5×106 operations |
| Input | |
| Remote test / Reset inputs | N.O.dry contact |
| Auxiliary supply | |
| Supply voltage | 198~265 V AC |
| 90~120 V AC | |
| Rated frequency | 50 or 60 Hz |
| VA rating | 3 VA typical |
| Indicators | |
| Auxiliary supply | Green LED |
| Time delay | Red LED |
| Trip | 7-segment LED and red LED |
| Real-time leakage current | 7-segment LED |
| Zero-phase current transformer | |
| To operate with KCT series of current transformer |
| Mechanical | |
| Mounting method | Panel mounted,DIN rail mounted , Screws mounted |
| Front panel | Standard DIN 96mm ×96mm |
| Weight | 0.8kg (excluding KCT) |
Typical Application Diagram
Case dimensions
KLR733 Reclosing Earth Leakage Relay operating time 15ms max.Protection Relay contact material silver alloy
Ordering Information
| KLR733-240 | With 240VAC, 50/60Hz power supply |
| KLR733-110 | With 110VAC, 50/60Hz power supply |