ABB 717B770A10 Instruction Leaflet Download | Manualshive

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I.L. 41-759.2D

12

ARS Relay

Figure 13. Component Location

2 Buffered Input “OR” in FT-22 Case; 48 Vdc.

Figure 14. Component Location

2 Buffered Input “OR” in Ft-22 Case; 125 Vdc.

*Sub 4
880A962

*Sub 4
880A434

* Denotes change since previous issue

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Summary of Contents for 717B770A10

Page 1: ...ies resistors a printed circuit module and indicating contactor switches ICS when required mounted in a FT 11 or FT 22 case depending upon style AR Unit The relay consists of four stationary contact screws four leaf spring moving contacts a moving armature and card assembly which operates the moving con tacts a U shaped laminated core a coil a frame a molded insulation block and a series resistor ...

Page 2: ... times and effective contact bounce are outlined in Tables 2 and 4 Each relay contact is rated 3 amps continuous and 30 amps long enough to trip a breaker Indicating Contactor Switch ICS The main contacts will close 30 amperes at 250 Vdc and the seal in contacts of the indicating contactor switch ICS will carry this current long enough to trip a circuit breaker The indicating contactor switch ICS ...

Page 3: ...nged or the relay taken apart for repairs the instructions below should be followed 6 1 Acceptance Check AR Unit The following check is recommended to insure that the AR unit is in proper working order 1 Contact gaps a Normally open contacts should have a gap 0 018 to 0 023 inch b Normally closed contact gap should be 013 minimum 2 Contact pressure a On four normally open contact relays the normal...

Page 4: ...e Check page 3 Tripping Relay AR Unit If the type AR tripping relay unit adjustments are dis turbed or are in error or it becomes necessary to replace some part use the following adjustment pro cedure a Adjust the set screw at the rear of the top of the frame to obtain a 0 009 inch gap at the rear end of the armature air gap b On four normally open contact relays adjust each contact spring to obta...

Page 5: ...Vdc 2M 2B contacts 2 1 719B947 Fig 10 204C761G02 880A962 Fig 13 717B770A15 125 Vdc 2M 2B contacts 2 1 719B947 Fig 10 204C761G01 880A434 Fig 14 717B770A16 250 Vdc 2M 2B contacts 2 1 719B948 Fig 11 204C762G01 880A431 Fig 15 717B770A17 48 Vdc 4M contacts 2 1 719B956 Fig 12 204C761G02 880A962 Fig 13 717B770A18 125 Vdc 4M contacts 2 1 719B956 Fig 12 204C761G01 880A434 Fig 14 717B770A19 48 Vdc 4M 4M 4M ...

Page 6: ...ngle Input Buffer 1 AR Unit with 2M Contacts 2 ICS Units in FT 11 Case 48 and 125 Vdc Figure 2 Relay Type ARS Single Input Buffer 1 AR Unit with 2M Contacts 2 ICS Units in FT 11 Case 250 Vdc Denotes change since previous issue Sub 6 719B963 Sub 4 719B944 ...

Page 7: ...ingle Input Buffer 1 AR Unit with 2M Contacts 1 ICS Unit in FT 11 Case 48 and 125 Vdc Figure 4 Relay Type ARS Single Input Buffer 1 AR Unit with 2M Contacts 1 ICS Unit in FT 11 Case 250 Vdc Denotes change since previous issue Sub 6 719B945 Sub 4 719B946 ...

Page 8: ...ARS Relay Figure 5 Component Location Single Input Buffer in Type FT 11 Case 48 Vdc Figure 6 Component Location Single Input Buffer in FT 11 Case 125 Vdc Denotes change since previous issue Sub 5 880A436 Sub 4 880A435 ...

Page 9: ...igure 7 Component Location Single Input Buffer in FT 11 Case 250 Vdc Figure 8 Relay Type ARS 2 Buffered Input OR 1 AR Unit 2M2B Contacts in FT 22 Case 48 and 125 Vdc Sub 4 719B951 Denotes change since previous issue Sub 4 880A433 ...

Page 10: ...ay Type ARS 2 Buffered Input OR 1 AR Unit 4M Contacts in FT 22 Case 48 and 125 Vdc Figure 10 Relay Type ARS 2 Buffered Input OR 1 AR Unit 2M2b Contacts 2 ICS Units in FT 22 Case Sub 5 719B952 Sub 4 719B947 Denotes change since previous issue ...

Page 11: ...S 2 Buffered Input OR 1 AR Unit 2M2B Contacts 2 ICS Units in Ft 22 Case 250 Vdc Figure 12 Relay Type ARS 2 Buffered Input OR 1 AR Unit 4M Contacts 2 ICS Units in Ft 22 Case 48 and 125 Vdc Sub 5 719B948 Sub 4 719B956 Denotes change since previous issue ...

Page 12: ...2 ARS Relay Figure 13 Component Location 2 Buffered Input OR in FT 22 Case 48 Vdc Figure 14 Component Location 2 Buffered Input OR in Ft 22 Case 125 Vdc Sub 4 880A962 Sub 4 880A434 Denotes change since previous issue ...

Page 13: ...15 Component Location 2 Buffered Input OR in FT 22 Case 250 Vdc Figure 16 Relay Type ARS 2 Single Buffered Inputs 2 AR Units All Make Contacts in FT 22 Case 48 and 125 Vdc Sub 4 880A431 Sub 4 719B953 Denotes change since previous issue ...

Page 14: ...2 Single Buffered Inputs 2 AR Units 4M 2M2B Contacts in Ft 22 Case 48 and 125 Vdc Sub 4 719B950 Figure 18 Relay Type ARS 2 Single Buffered Inputs 2 AR Units 2M2B 2M2B Contacts in Ft 22 Case 48 and 125 Vdc Sub 4 719B949 Denotes change since previous issue ...

Page 15: ...e Buffered Inputs 2 AR Units All Make Contacts 2 ICS Units in FT 22 Case 48 and 125 Vdc Figure 20 Relay Type ARS 2 Single Buffered Inputs 2 AR Units 4M 4M Contacts 2 ICS Units in Ft 22 Case 250 Vdc Sub 4 719B954 Sub 4 719B955 Denotes change since previous issue ...

Page 16: ...2 Single Buffered Inputs 2 AR Units 2M2B 2M2B Contacts 2 ICS Units in FT 22 Case 125 Vdc Figure 22 Relay Type ARS 2 Buffered Input OR 1 AR Unit 4M Contacts 2 ICS Units in FT 22 Case 250 Vdc Sub 4 719B957 Sub 4 719B958 Denotes change since previous issue ...

Page 17: ...y Figure 23 Component Location 2 Single Buffered Inputs in Type FT 22 Case 28 Vdc Figure 24 Component Location 2 Single Buffered Inputs in Type FT 22 Case 125 Vdc Sub 4 880A964 Denotes change since previous issue Sub 5 880A965 ...

Page 18: ... 2D 18 ARS Relay Figure 25 Component Location 2 Single Buffered Inputs in FT 22 Case 250 Vdc Figure 26 Typical External Schematic of Relay Type ARS Sub 4 880A963 Sub 1 880A557 Denotes change since previous issue ...

Page 19: ...I L 41 759 2D 19 ARS Relay Figure 27 Outline and Drilling Plan for Relay Type ARS in Ft 11 Case Denotes change since previous issue Sub 20 57D7900 ...

Page 20: ...hange since previous issue ABB Automation Inc Substation Automation and Protection Division 7036 Snowdrift Road Suite 2 Allentown PA 18106 800 634 6005 610 395 7333 ABB Automation Inc Substation Automation and Protection Division 4300 Coral Ridge Drive Coral Springs FL 33065 800 523 2620 954 752 6700 www abb com papd ...

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