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9.0  References 

9. 1  Type  OS  Low  Voltage  AC  Power  Circuit  Breakers 

I.B. 33-790-IF 

Instructions for Low-Voltage Power Circuit 
Breakers Types  DS and DSL 

I . B.  33-790-I F  

Section SA  Su pplement  Circuit  Breaker 

Supplement 

Automatic Tripping System When  Using 

No.  1 

Digitrip R M S  Trip Assem bly 

SC-4280-87 

SC-4281 -87 

SC-4279-87 

508B508 

Typical Time-Current Characteristic Cu rve 
(LI) for Type  DS Ci rcuit Breakers 

Typical Time-Cu rrent Cha racteristic Curve 

( LS) for Type DS Circuit Breakers 

Typical Time-Cu rrent Characteristic Cu rve 

(G)  for Type  DS  Ci rcuit Breakers 

Connection  Diagram for Type  DS Ci rcuit 
Breakers 

9.2  Type  SPB Systems  Pow-R  Breakers 

I.L. 29-801 

I . L.  29-855 

SC-4283-87 

SC-4284-87 

SC-4282-87 

I.S.  1 5545 

I nstruction for the  Systems  Pow-R  Breaker 

and  Drawout Mechanism 

Supplementary  I nstructions for the Systems 
Pow-R  Breaker used  with the  Digitrip RMS 

Trip Assembly 

Typical Time-Current Characteristic Curve 

(LI) for Type SPB Systems Pow-R  Breaker 

Typical Time-Current Characteristic Cu rve 

(LS)  for Type  SPB  Systems  Pow-R  Breaker 

Typical Time-Cu rrent Cha racteristic Curve 

(G)  for Type SPB  Systems Pow-R  Breaker 

SPB  Master Connection  Diagram using 
Digitrip R M S  Trip Assemblies 

9.3  Digitrip RMS Trip  Assemblies 

I . L.  29-851 

I nstructions for Digitrip  RMS  500 Trip  Unit 

I . L.  29-852 

I nstructions for Digitrip R M S  600 Trip  Unit 

I.L. 29-853 

Instructions for Digitrip R M S  700 Trip  U nit 

I . L.  29-854 

I n structions for Digitrip RMS 800  Trip  Unit 

9.4  Series  C  R-Frame  Molded  Case  Circuit  Breakers 

29-1 06 

29-1 07 

29-707 

SC-4582-89 

SC-4583-89 

SC-4584-89 

I.L. 29C709 

Frame Book 

Frame Instruction  Leaflet 

Supplement I nstructions for  Series  C 

Frame used with  the  Digitrip  RMS  Trip 

Assem bly 

Typical Time-Cu rrent Characteristic Cu rve 
(LI) for Type  RD Circuit Breakers 

Typical  Time-Current Cha racteristic Curve 

( LS )  for Type RD Circuit B reakers 

Typical Time-Cu rrent Characteristic Cu rve 

( G )  for Type  RD Circuit B reakers 

Master Connection Diagram for Series C 
R-Frame Ci rcuit Breaker with  Digitrip RMS 

1 1  

www 

. ElectricalPartManuals 

. com 

Summary of Contents for Digitrip RMS 500

Page 1: ...act Westinghouse Electric Corporation for further infor mation or instructions 1 0 General Description 1 1 Protection The Digitrip RMS 5 00Trip Unit illustrated in Fig 1 is a micro processor based typ...

Page 2: ...ade m U S A VJ N Lithium Battery Only Long Delay Long Delay Setting Time In IT Sec At 61n 0 0 Breaker Trips In 6 T Test Amps IIJ in 0 Test 0 b Trip o IT In Reset 0 t n us lnst NP156P656H01 Fig 2 1 Lon...

Page 3: ...P656H31 Fig 2 5 Long Time Short Time Protection LSG Nameplate Westinghouse Digital Protection D1g1tr1p RMS 500 CeliNa ___ 1NP256P655HOI Made 1n U S A II N L1th1um Battery Only Long Delay LongDelay Set...

Page 4: ...e pre set protection function pick up settings and other operating data stored in the ROM or Read Only Memory The microcomputer software program is then used in decision tree fashion to initiate prote...

Page 5: ...with an adjustable instantaneous setting i e types LS or LSG a high set non adjustable instantaneous override trip circuit is provided This high level tripping action is pre set to a specific value t...

Page 6: ...er in which the trip unit is installed Specific information on these settings is given in the supplemental instruction leaflet referenced in Sec tions 9 1 and 9 2 that is supplied with the circuit bre...

Page 7: ...me _____ I I I I I r Q Sec S 1 1 I I I u M I 1 1 I I I _ j 1 1 f l I I _ Available Settings 0 1 0 2 0 3 0 4 0 5 Seconds with Flat Response I I I m 1 j 1 1 I I w 3 0 1 0 3 0 5 Seconds with l t Response...

Page 8: ...t all in service testing under Trip or No Trip conditions must be done at load current values no greater than 40 of the plug rating In Any attempt to conduct in service testing above this value will b...

Page 9: ...g 6 2 View with Hinged Cover Open and Battery Installed Fig 6 Typical Rating Plug 9 Should an actual overload or fault condition occur during an in service No Trip Test sequence the protection functio...

Page 10: ...INSURE THAT THE CORRECT POLAR ITIES ARE OBSERVED POLARITY MARKINGS ARE SHOWN ON THE RATING PLUG WHEN THE HINGED COVER IS OPEN AS INDICATED IN FIGS 6 2 AND 6 3 7 0 Auxiliary Power Module The Auxiliary...

Page 11: ...ype SPB Systems Pow R Breaker Typical Time Current Characteristic Curve LS for Type SPB Systems Pow R Breaker Typical Time Current Characteristic Curve G for Type SPB Systems Pow R Breaker SPB Master...

Page 12: ...Westinghouse Electric Corporation Distribution and Control Busi ness Unit Electrical Components Division Pittsburgh PA 1 5220 Style No 661 5C96H01 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...

Page 13: ...ntact Westinghouse Electric Corporation for further infor mation or instructions 1 0 General Description 1 1 Protection The Digitrip RMS 500 Trip Unit illustrated in Fig 1 is a micro processor based t...

Page 14: ...0 l Cell No NP156P655H01 Made tn U S A y N Lith1um Battery Only Long Delay Long Delay Setting Time QJ In IT sec At 61n 0 0 Breaker Trips In 6T Test Amps ill In 0 Test 0 Trip 0 I In Reset 0 us lnst NP1...

Page 15: ...Amps 0 In 0 Test 0 Tnp 0 Reset Unit Status NP156P656H31 Fig 2 5 Long Time Short Time Protection LSG Nameplate Westinghouse D1g1tal Protection Digitnp RMS 500 Cell No Gnd Fault Pickup In 0 long Delay...

Page 16: ...dly compared with the pre set protection function pick up settings and other operating data stored in the ROM or Read Only Memory The microcomputer software program is then used in decision tree fashi...

Page 17: ...not equipped with an adjustable instantaneous setting i e types LS or LSG a high set non adjustable instantaneous override trip circuit is provided This high level tripping action is pre set to a spec...

Page 18: ...the trip unit is installed Specific information on these settings is given in the supplemental instruction leaflet referenced in Sec tions 9 1 and 9 2 that is supplied with the circuit breaker Spe ci...

Page 19: ...I I Short Delay Time I 1 I I I Sec 0 1 1 I I I u I 1 1 I I I 1 1 1 In Viewing Window Indicates l t Type Response I I l J I I w Fig 4 4 Short Delay Time Settings r 1 I I I I lnst I I In i_ J 0 Availabl...

Page 20: ...e trip unit all in service testing under Trip or No Trip conditions must be done at load current values no greater than 40 of the plug rating In Any attempt to conduct in service testing above this va...

Page 21: ...Fig 6 2 View with Hinged Cover Open and Battery Installed Fig 6 Typical Rating Plug 9 Should an actual overload or fault condition occur during an in service No Trip Test sequence the protection func...

Page 22: ...O INSURE THAT THE CORRECT POLAR ITIES ARE OBSERVED POLARITY MARKINGS ARE SHOWN ON THE RATING PLUG WHEN THE HINGED COVER IS OPEN AS INDICATED IN FIGS 6 2 AND 6 3 7 0 Auxiliary Power Module The Auxiliar...

Page 23: ...pe SPB Systems Pow R Breaker Typical Time Current Characteristic Curve LS for Type SPB Systems Pow R Breaker Typical Time Current Characteristic Curve G for Type SPB Systems Pow R Breaker SPB Master C...

Page 24: ...2 Westinghouse Electric Corporation Distribution and Control Business Unit Electrical Components Division Pittsburgh PA 1 5220 Style No 661 5C96H01 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...

Page 25: ...ntact Westinghouse Electric Corporation for further infor mation or instructions 1 0 General Description 1 1 Protection The Digitrip RMS 500 Trip Unit illustrated in Fig 1 is a micro processor based t...

Page 26: ...No I NP256P655H01 Made in U S A lj3 N Lithium Battery Only Long Delay Long Delay Setting T1me ITJ in I Sec At 61n 0 0 Breaker Trips In 6T Test Amps In 0 Test 0 0 Trtp 0 I In Reset 0 us lnst NP256P656H...

Page 27: ...lay Time 0 Sec 0 b Ovemde D1scnmlnator Test 0 Trip o Reset NP256P656H31 Fig 2 5 Long Time Short Time Protection LSG Nameplate Westinghouse D1gital Protection Digitnp RMS 500 Cell No r NP256P655H01 Mad...

Page 28: ...hich the trip unit is installed Specific information on these settings is given in the supplemental instruction leaflet referenced in Sec tions 9 1 and 9 2 that is supplied with the circuit breaker Sp...

Page 29: ...I I I I I Sec 0 I I I I I u _ M I I t 1 I I I 1 t 1 I I Available Settings 0 1 0 2 0 3 0 4 0 5 Seconds with Flat Response r j I I ill 1 J 1 1 I I w 3 0 1 0 3 0 5 Seconds with l t Response l t Respons...

Page 30: ...unit all in service testing under Trip or No Trip conditions must be done at load current values no greater than 40 of the plug rating Onl Any attempt to conduct in service testing above this value wi...

Page 31: ...6 2 View with Hinged Cover Open and Battery Installed Fig 6 Typical Rating Plug 9 Should an actual overload or fau lt condition occur during an in service No Trip Test sequence the protection function...

Page 32: ...O INSURE THAT THE CORRECT POLAR ITIES ARE OBSERVED POLARITY MARKINGS ARE SHOWN ON THE RATING PLUG WHEN THE HINGED COVER IS OPEN AS INDICATED IN FIGS 6 2 AND 6 3 7 0 Auxiliary Power Module The Auxiliar...

Page 33: ...pe SPB Systems Pow R Breaker Typical Time Current Characteristic Curve LS for Type SPB Systems Pow R Breaker Typical Time Current Characteristic Curve G for Type SPB Systems Pow R Breaker SPB Master C...

Page 34: ...2 Westinghouse Electric Corporation Distribution and Control Business Unit Electrical Components Division Pittsburgh PA 1 5220 Style No 661 5C96H01 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...

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