Содержание HFA154

Страница 1: ... operation or maintenance Should further information be desired or should particular problems arise which are not covered sufficiently for the purchaser s purposes the matter should be referred to the General Electric Company To the extent required the products described herein meet applicable ANSI IEEE and NEMA standards but no such assurance is given with respect to local codes and ordinances be...

Страница 2: ...NGS Burdens 4 4 RECEIVING HANDLING AND STORAGE 5 INSTALLATION Mounting and Connections Adjustments 5 5 5 PERIODIC CHECKS AND ROUTINE MAINTENANCE Contact Cleaning 5 6 SERVICING AND ADJUSTMENT Contact Adjustment Pickup 6 6 7 RENEWAL PARTS 7 2 Courtesy of NationalSwitchgear com ...

Страница 3: ... long life operating coils APPLICATION The Type HFA154 relays are intended for application where i t is desired to control up to five circuits by the operation of a single auxiliary relay and to maintain those circuits until the auxiliary relay is electrically reset HFA154E or with the HFA154B either manually or electrically reset CHARACTERISTICS The HFA154 relays additional feature of hand reset ...

Страница 4: ...is continuously rated but the reset coil has a five 5 second intermittent rating The current closing rating of each contact is 30 amperes rating is 12 amperes continuous or 30 amperes for one minute non inductive interrupting capacity of each contact The current carrying Table I I I lists the TABLE I I I DC AC Vol ts Amperes Vol ts Amperes 12 30 115 30 24 15 230 20 32 10 460 15 48 8 575 10 125 3 2...

Страница 5: ... outside of the case may find its way inside when the cover is removed and cause trouble in the operation of the relay INSTALLATION MOUNTING AND CONNECTIONS The Type HFA154 relays should be mounted on a vertical surface The outline panel drilling diagrams and internal connections are shown in Figures 4 5 and 6 ADJUSTMENTS These relays have been calibrated at the factory and under normal conditions...

Страница 6: ...ng when operated by hand braided pigtail lead on all contacts must be adjusted to exert minimum force on the contacts The 2 Adjust the contact arms so that the normal ly open contacts make approximately simultaneously when the relay is operated by hand I t is permissible to have as much as but no more than 1 32 inch gap in any one contact when the first one to close is just making contact Also the...

Страница 7: ...aise the pickup The pickup is decreased by turning the nut in the counterclockwise direction The reset coil sould pick up at 50 to 80 of rated AC voltage and 50 to 75 of rated DC voltage There is no adjustment available to alter this pickup Since the reset coil is rated intermittently care should be exercised when applying this voltage I f the pickup value is lower than 50 of rated voltage check w...

Страница 8: ...GEK 45486 Figure 1 8043000 HFA154 Relay Back Connected Semi Flush mounted Front View 8 Courtesy of NationalSwitchgear com ...

Страница 9: ...GEK 45486 Figure 2 8025781 HFA154 Relay Front Connected Surface Mounted Front View 9 Courtesy of NationalSwitchgear com ...

Страница 10: ...GEK 45486 Figure 3 8043001 HFA154 Relay with Cover Removed Front View 10 Courtesy of NationalSwitchgear com ...

Страница 11: ...PER 15 RESET 14 COIL O HO CP 10 Lo O 4 cH z 6 IZ INTERNAL CONNECTIONS BAOT VIEW EACH CONTACT CONVERTIBLE ONLY ACCORDING TO CONTACT ARRANGEMENT CODE 0104 A8528 4 Internal Connections of HFA154 Relays Front View Figure 4 11 Courtesy of NationalSwitchgear com ...

Страница 12: ... 4 1 16 O l D 1T r tB i 16 7 fiJ 632 AI o o 8 LQ o 7 5 2 5 is 16 715 7J2 32 0 Figure 5 637837 4 Outline and Panel Dril1 ing Diagram for HFA154 Relays for Semi Flush Mounting 12 Courtesy of NationalSwitchgear com ...

Страница 13: ... 5 INSULATING 2 ins 1 3 16 8 8 STEEL A D A HOLES 14 HOLES a i TOP OF RELAY f T j L UT 5 1 T 8 f U D A te 2 HOLES 8 HOLE 21 32 PANEL DRILLING TFRONT VIEW A 11 B TYPE OF PANEL 7 167 16 INSULATING 9 16 9 16 Figure 6 0362A0576 6 Outline and Panel Drilling Diagram for HFA154 Relays for Surface Mounting 13 Courtesy of NationalSwitchgear com ...

Страница 14: ...å å å å 3RZHU 0DQDJHPHQW 215 Anderson Avenue Markham Ontario Canada L6E 1B3 Tel 905 294 6222 Fax 905 201 2098 www ge com indsys pm Courtesy of NationalSwitchgear com ...

Отзывы: