A9-30-10 ABB

ABB APOW-01C
ABB SDCS-IOB-23-COAT
ABB PFVI 401
ABB partcode 3BDZ000398R1 technical RLM01
ABB IGBT module/IGBT FS225R12KE3/AGDR-71C
ABB Template/AINT-12C CODE:64715810A/ABB

分类: 标签:

Description

灵敏系数即线路中最小短路电流(一般取电动机接线端或配电线路末端的两相或单相短路电流)和断路器瞬时或延时脱扣器整定电流之比。两相短路时的灵敏系数应不小于2,单相短路时的灵敏系数对于DZ型断路器可取1.5,对于其他型断路器可取2。如果经校验灵敏系数达不到上述要求,除调整整定电流外,也可利用延时脱扣器作为后备保护。

SPECTRA NC-A 94V-0 BOARD NCA94V0

SPECTRA 3500-103 BOARD NEW 3500-103

SPECTRA 3500-102 BOARD NEW 3500-102

GENERAL ELECTRIC CK08E300 BREAKER W/ KM5EJ MODUDLE

LAMBDA SE-500-3 USED POWER SUPPLY SE5003

HONEYWELL UDC3000 UDC300C-0-2A0-2​0-0000-0 NEW