보호 계전기는 산업용 시스템의 비정상적인 작동 조건을 감지하고 경고를 발생시키거나 문제가 있는 장치를 시스템에서 격리할 수 있습니다. 일반적인 감지 기능은 다음과 같습니다. 아크 플래시, 온도 모니터링, 접지 결함, 과전류, 과전압, 역전력 흐름, 과주파수, 저주파수 및 위상 손실, 시퀀스 또는 불균형.
| 부분 # | 제조업체 | 설명 | 유효성 | 가격 | 수량 |
|---|---|---|---|---|---|
MPU-32-04-01Protection Relays & Systems | Littelfuse | MPR W/TIA-232/ETHERNET | 재고 | - | |
MPS-CTU-02-00Protection Relays & Systems | Littelfuse | MPS W/DEVICENET CONTROL UNIT | 재고 | - | |
SE-330HV-07-01Protection Relays & Systems | Littelfuse | NGR MON UNIV SC FIBER RJ45 61850 | 재고 | - | |
777-575-LR-P2Protection Relays & Systems | Littelfuse | 3-PHASE OVERLOAD RELAY/500-600 | 재고 | - | |
PGR-4700-24Protection Relays & Systems | Littelfuse | SENS GRND FAULT RELAY 24VDC SUP | 4 | - | |
SE-330HV-20-01Protection Relays & Systems | Littelfuse | NGR MONITOR HV LVPS NC K4 | 재고 | - | |
SE-135-XGC-00Protection Relays & Systems | Littelfuse | MONITOR GRD-FAULT GRD-CHK RELAY | 재고 | - | |
PGR-4700-240Protection Relays & Systems | Littelfuse | SENSITIVE GROUND-FAULT RELAY | 재고 | - | |
SE-135-00Protection Relays & Systems | Littelfuse | Electromechanical Relay SPST-NO/SPST-NC(99x132x213)mm Panel/SMD Protective Relay | 1 | - | |
SE-601-0DProtection Relays & Systems | Littelfuse | DC GROUND FAULT RELAY 9-36 VDC | 2 | - | |
SE-701-0T-CCProtection Relays & Systems | Littelfuse | SE-701-0T WITH CONFORMAL COATING | 재고 | - | |
SE-105Protection Relays & Systems | Littelfuse | Ground-Fault Monitor Relay | 14 | - | |
SE-330AU-21-01Protection Relays & Systems | Littelfuse | NEUTRAL-EARTHING-RESISTOR MONITOR | 재고 | - | |
EL731-13-10Protection Relays & Systems | Littelfuse | AC/DC EARTH-LKGE RELAY | 재고 | - | |
SE-330HV-23-00Protection Relays & Systems | Littelfuse | NGR MONITOR HV LVPS ETHERNET | 재고 | - | |
EL731-01-00Protection Relays & Systems | Littelfuse | Electromechanical Relay 120 to 240VDC 120 to 240VAC 3PDT(129x96x48)mm Panel Earth Leakage Relay | 재고 | - | |
SE-330-01-01Protection Relays & Systems | Littelfuse | NGR MONITOR NC DEVICENET | 재고 | - | |
SE-325DTProtection Relays & Systems | Littelfuse | NGR MON 120V GF TIME 0.1 TO 5 S | 재고 | - | |
SE-330HV-28-00Protection Relays & Systems | Littelfuse | MONITOR NGR HV 48V DUAL SC FBR | 재고 | - | |
SE-330-21-00Protection Relays & Systems | Littelfuse | GRND RES RELAY DEVICENET DC SUP | 재고 | - | |
SE-704-0T-CCProtection Relays & Systems | Littelfuse | SE-704-0T WITH CONFORMAL COATING | 재고 | - | |
NGRM-ENC-000-00Protection Relays & Systems | Littelfuse | SE-325 NGR MON ENCL | 재고 | - | |
SE-330AU-27-00Protection Relays & Systems | Littelfuse | MONITOR NGR 48V SC FBR/RJ45 | 재고 | - | |
777-HRG-P2Protection Relays & Systems | Littelfuse | 3-PH OLR/200-480V/2-90FLA/ | 재고 | - | |
MPU-32-X69X-00X00Protection Relays & Systems | Littelfuse | GE RETRO RS-232 CIM | 재고 | - |