Name:
NR BR 937 ISSUE A3 PDF
Published Date:
09/01/1971
Status:
[ Active ]
Publisher:
Network Rail
This specification relates to design requirements for miniature D.C. neutral thermal time element relays of the plug-in type for use in railway signaling circuits. The time delay is obtained by the consecutive heating and cooling of a thermal element.
| Edition : | A3 |
| File Size : | 1 file , 5.4 MB |
| Number of Pages : | 27 |
| Published : | 09/01/1971 |
