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INSTRUCTIONS

MULTI-CONTACT

AUXILIARY RELAY

TYPE

HFA54

GEI-68720G

d

Control

GE Meter an

Parkway

205 Great Val

��

55-0715

Malvern, PA

www

. ElectricalPartManuals

. com

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Summary of Contents for HFA54

Page 1: ...INSTRUCTIONS MULTI CONTACT AUXILIARY RELAY TYPE HFA54 GEI 68720G d Control GE Meter an Parkway 205 Great Val 55 0715 Malvern PA w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 2: ...rovide for every possible contingency to be met in connection with installation 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 GeneralElectric Company To the extent required the products described herein meet applicable ANSI IEEE and NEMA standard...

Page 3: ...onnections for the relays are shown in Figures 4 5 and 6 APPLICATION The HFA relays are electric reset hinged armature instantaneous auxiliary relays that are suitable for application where the operating characteristics and ratings as described in this book are required RAT NGS The TYPE HFA relays are available with coil ratings for standard voltages up to 575 volts at 25 50 or 60 cycles and up to...

Page 4: ...th a specific contact arrangement they wi11 be shipped with six 6 circuit closing contacts code 60 However the HFA54D and HFA54 K relays are available with contact code 33 only as given in Table V The general characteristic of HFA54 relays are summarized in Table II TABLE II No Model Separate Additional Contact No Contact Characteristics Arrangement Circuits Table HFA54 B 5 Hand Reset III HFA54 C ...

Page 5: ...H J L CODE NO 60 51 4 2 1 33 a a b b b a 24 POSITION NO CONTACT ARRANGEMENT 1 a a a a a 2 a a a a b 3 a a b b b 4 a b b b b 5 a a a b b 6 a a a a a TABLE V HFA54D K CODE NO 33 POSITION NO CONTACT ARRANGEMENT 1 a 2 a1 3 bl 4 b 5 b 6 a TABLE VI HFA54M N CODE NO 1 2 3 24 a b b b b a POSITION NO CONTACT ARRANGEMENT 1 a a a 2 a a b 3 b bl b1 4 a bl b 5 a a a 6 a a a 5 15 b b b b b a 15 06 b b b b b b b...

Page 6: ...owever the charged external capacitor has sufficient energy to back up the operating coil to ensure proper latch holding of the armature See Figs 11 12 and 13 for outlines of the external capacitor and resistor BURDENS The operating coil burdens 1 isted Table VII are measured with the relay in the picked up position at rated voltage and are for continuous rating The common AC and DC burden table V...

Page 7: ...bed If the relays are not to be installed immediately they should be stored in their original cartons in a place that is free from moisture dust and metallic chips Foreign matter collected on the outside of the case may find its way inside when the cover is removed and cause trouble in the operation of the relay INSTALLATION Type HFA relays should be mounted on a vertical surface The outline panel...

Page 8: ...nce if a contact is changed from circuit opening to circuit closing the following checks and adjustments should be made 1 Make sure that all contact and coil studs are tight 2 Make sure that the armature is free of binding when operated by hand The braided 11pigtail11 lead on all contacts must be adjusted to exert minimum force on the contacts 3 Make mechanical contact adjustments as follows 3 1 N...

Page 9: ...mately 1 8 gap between the stop screw and armature Lock the stop screw in this position The main coil should be adjusted to pick up at 80 of rated voltage for AC relays and 60 of rated voltage for DC relays This adjustment may be obtained by unseating the knurled adjusting nut at the lower end of the armature and turning this nut in a clockwise direction to raise the pickup The pickup is decreased...

Page 10: ...GEI 68720 ltlltlll FIG l 8025534 HFA54 RELAY BACK CONNECTED SURFACE MOUNTED FRONT VIEW 10 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 11: ...GEI 68720 FIG 2 8025781 HFA54 RELAY FRONT CONNECTED SURFACE MOUNTED FRONT VIEW 11 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 12: ...GEI 68720 FIG 3 8025539 HFA54 RELAY BACK CONNECTED SEMI FLUSH MOUNTED FRONT VIEW 12 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 13: ...IG 4 0104 A8528 5 INTERNAL CONNECTIONS OF HFA54B HFA54 C HFA54 0 and HF54 E RELAYS BACK VIEW POS 6 RESET 1 COIL 5 7 11 4 2 9 POS POS POS 4 3 2 6 8 10 12 INTERNAL CONNECTIONS BACK VIEW 13 14 FIG 5 6375837 4 INTERNAL CONNECTIONS OF HFA54H HFA54 J HFA54 K and HF54 L RELAYS BACK VIEW 13 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 14: ...CONTACT LONG WIPE b N C CONTACT bl N C CONTACT LONG WIPE 6 POS I O ALT c O N N FoR AATf D AC VOL i r I I I 1 I I ll RATEDI C t f I 15 8 os I 12 _ I _ INTERNAL CONNECTIOHS BACK VIEW c J XT R S FIG 6 0207A7851 4 INTERNAL CONNECTIONS OF HFA54M AND HFA54 N BACK VIEW Revised since last issue 14 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 15: ...__L_ a N O CONTACT a 1 N O CONTAC LONG WIPE b N C CONTACT b1 sN C CONTACT LONG WIPE LONG WIPE CONTACTS OJ ERLAP t EACH REtAY IS AVAI B ONLl TH CONTAC T C DE SPEC 5 3 s 5 4 4 6 POS 3 7 9 J 2 1 8 11 12 INTERNAL CONNECTIONS BACK VIEW OPER COl r EACH CONTACT CONVERT IBLE ONLY CCORDING TO CONTACT ARRANGEMENT CODE FOR MODELS AS Ll STED FIG 7 0362A0576 7 OUTLINE AND PANEL DRILLING DIAGRAM FOR HFA54B C D ...

Page 16: ... u OUTL IfE GEI 68720 TOP Of PU L DRILLI FIG 8 04 18A0799 8 OUTLINE AND PANEL DRILLING DIAGRAM FOR HFA54 RELAYS FOR SEMI FLUSH MOUNTING TYPICAL MODEL NUMBER IS HFA54B F 16 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 17: ... MOUNTING TYPICAL MODEL NUMBERS ARE HFA54 B H AND HFA54M H I l 6 32 11 41 5 32 OUTLINE 18 111 TYPE OF PANEL I NSULAT lNG STEEL 8 Dl A 16 I 2 HOLESI A 8 c 11 16 7116 3t 9116 11 16 h FIG 10 6375836 5 OUTLINE AND PANEL DRILLING DIAGRA M FOR HFA54H J K AND L RELAYS FOR SURFACE OUNTING TYPICAL MODEL NU MBER IS HFAS4H1 H 17 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 18: ... 1 5 3 03 ____ 1 4 Z l5 n31 81 031 WI 3 00 0 3 tM 12 24 I 4 38 0 3 T iD t l 0 0 1__ Wo I 0 I N M f It _1 Y f FIG 11 0028F0910 0 SH 2 OUTL INE OF EXTERNAL CAPACITOR 5 F 18 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 19: ... 188 HtJI ES GEI 68720 4 125 031 1 5 031 _ S T 0 31 14 4 3 C63 12 24 THD 438 010 3 0 3 0 FIG 12 0028F0915 0 SH 2 OUTLINE OF EXTERNAL CAPACITOR 15 F 19 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 20: ...GEI 68720 __ HOLE 32 1 2 9 32 FIG 13 0389A0752 2 OUTLINE OF EXTERNAL RES IS TOR US ED WITH HFA54M and HFA54 N RELAYS 20 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 21: ...w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 22: ...w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 23: ...w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 24: ... 91 500 Meter and Control Business Department General Electric Company Protection and Control 205 Great Valley Parkway Malvern Pennsylvania 19355 0715 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

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