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Typical

LED

Trip

Red

Curve

Typical Setting

Viewing Window

Receptacle

for Auxiliary

Power Module

Circuit

SPB

Rating

Plug

Breaker

Assembly

Cell

Location

Reference

Must Use With

Sensor Ratet!
In

iRalet!ll

Rating

Plug

6i Hz Only

··��--

Unit Reset Pushbutton

Unit Operational Status Green LED

Setting

Adjustment

Fig. 1

Typical Digitrip RMS

500

Trip Unit with Rating Plug Installed

Westinghouse

Digital

Protectmn

Digitrip RMS

500

Cell No

---

NP156P655H01 Made

U S.A

N Lith1um Battery Only

Long Delay

Setting

Time

IT)

sec-

At 61n

Breaker Trips
In 6T

Test Amps

ill

Test

Trip

[I]

Reset

�

;

�

lnst

NP156P656H01

Fig. 2.1

Long Time/Instantaneous Protection (LI) Nameplate

Westinghouse

D1gttal

Protection

Dig1tr1p RMS

500

Cell No

Made

U.S.A

N Lithium Battery Only

Long Delay

Setting

Long Delay

Time

ITJ

Sec-

At 61n

Short

Delay

tckup

Short Delay

T1me

12t

Sec.

Breaker Trips
In 6T

Test Amps

ill

Test

Trip

Reset

��

NP156P656Hll

Fig. 2.2

Long Time/Short Time Protection (LS) Nameplate

www

. ElectricalPartManuals

. com

Содержание Digitrip RMS 500

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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