Earth Leakage Relay (bảo vệ dòng rò) cuả Mikro

relay bảo vệ dòng rò của Mikro

Earth Leakage Relay : bảo vệ dòng rò của Mikro (Malaysia) được sử dụng rộng rãi trong hệ thống điện công nghiệp. Sử dụng kết hợp với ZCT của Mikro.
MÃ HIỆU
(MODEL)
THÔNG SỐ KỸ THUẬT CHÍNH
(MAIN FEATURES)
MK300
MK300
MK300E


- Numerical earth leakage relay
- Programmable current sensitivity and time delay
- Built-in digital harmonic filter
- Detection of no connection to current transformer
- Real-time leakage current display
- Leakage current recording when tripped
- Complies with IEC755 standard

FEATURES FOR MK300E ONLY
- 50% pre-fault output contact
- Positive safety output contact
- Remote test and remote reset functions
mk330
MK330


- Numerical self-reclosing earth leakage relay
- Programmable current sensitivity and time delay
- Programmable number of reclosing
- Programmable time delay before reclosing
- Programmable automatic reset time
- Built-in digital harmonic filter
- Detection of no connection to current transformer
- External test and external reset of dry contact inputs
- Tripping contact output
- Alarm output
- Real-time leakage current display
- Relay tripped indicator
- Leakage current recording when tripped
- Complies with IEC 755 standard
mk301, mk302
MK301A
MK302A

- Trip starting indicator
- Detection of no connection to current transformer for extra safety
- Relay tripped indicator
- High immunity to electrical interference

FEATURES FOR MK302A ONLY
- Safety output contact
- Earth leakage level indicators
- Remote test and remote reset functions

din300, din300e

DIN300
DIN300E


- 25 selectable sensitivity settings: 30 mA to 30 A
- 9 selectable time delays: 0ms to 3s
- Earth leakage level indicators
- Detection of no connection to ZCT
- Relay tripped indicator
- Trip starting indicator
- Protected against nuisance tripping

FEATURES FOR DIN300E ONLY
- 50% pre-fault output contact
- Remote test and remote reset functions
din310, din310e
DIN310
DIN310E


- Numerical earth leakage relay
- Detection of no connection to ZCT
- Relay trip indicator
- Relay alarm indicator
- Real-time leakage current display
- Leakage fault current recording
- 50% pre-fault indicator
- Standard DIN rail mounting
- Protection against nuisance tripping
- Type A

FEATURES FOR DIN310E ONLY
- Positive safety output contact
- 50% pre-fault output contact
- Remote reset function
din330
DIN330


- Numerical self-reclosing earth leakage relay
- Programmable current sensitivity and time delay
- Programmable dead time and number of shots
- Programmable permanent fault time and reclaim time
- Programmable lockout auto reset time
- Incorporated positive safety feature into trip contact
- One programmable contact for flexibility
- Detection of no connection to ZCT
- Relay trip indicator
- Relay alarm indicator
- Real-time leakage current display
- Leakage fault current recording
- Remote reset function
- Standard DIN rail mounting
- Protection against nuisance tripping
- Type A
zct
ZCT


- Sử dụng ZCT kết hợp với các relay bảo vệ dòng rò kể trên
- ZCT40S - 40mm inner diameter
- ZCT60S - 60mm inner diameter
- ZCT80S - 80mm inner diameter
- ZCT120S - 120mm inner diameter

THỐNG KÊ TRUY CẬP

Số lần xem bài : 16169133

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