Type B Vital Relays - Alstom

Parts Catalog
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Fig. 1 Fig. 2 Fig. 3 Fig. 4 Fig. 5 Fig. 6
Figure 7–15. B Relay Extra Heavy-Duty (EHD) Contact Group Magnet Detail
Figures 7–14 and 7–15, combined with Tables 7–14 and 7–15, provide contact, pusher
and clip details for the typical B relay contact group combinations. B2 Code Rate
Transmitter Relay contact group part numbers are summarized in Table 7–9 and VTB
relay contact groups are included in Table 7–10.
• Figure 7–14 shows the contacts groups identified by a reference letter that
corresponds to Table 7–14’s Ref. column. The illustrations also include a reference
numbers that correspond to the Ref. column in Table 7–15.
• Figure 7–15 contains six illustrations of extra heavy-duty (EHD) contact groups
identified by Fig. numbers corresponding to references in Table 7–14 Combination
column.
• Table 7–14 provides drawing and catalog numbers for the various B relay contact
combinations.
• Table 7–15 provides the three combinations of contact group pusher and clip part
numbers used in the B relay combinations.
P1457, Rev. Nov/07 7–55 Alstom Signaling Inc.