[{"images":[{"format":"300Wx300H","url":"https://resources-boschsecurity-cdn.azureedge.net/public/images/large/ProductPhoto_Web_all_2707899403.jpg","srcsetWidth":300,"isVideo":false}],"thumbnails":[{"format":"96Wx96H","url":"https://resources-boschsecurity-cdn.azureedge.net/public/images/small/ProductPhoto_Web_all_2707899403.jpg","srcsetWidth":96,"isVideo":false}],"zooms":[{"format":"515Wx515H","url":"https://resources-boschsecurity-cdn.azureedge.net/public/images/xlarge/ProductPhoto_Web_all_2707899403.jpg","srcsetWidth":515,"isVideo":false}]}][]4 接線底座 12/24V 附 A 接點及 C 接點繼電器
Use for four‑wire (12 VDC or 24 VDC system) applications
Has normally‑open (NO) alarm loop relay and a set of auxiliary contacts (Form C)
Easy installation
Interchangeable detector heads
UL listed when used with a detector from the F220 family