Eaton Digitrip RMS 310 Скачать руководство пользователя страница 10

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Page

Source

voltage

Load

Current-Lim iring

(if required1

Fig. 14-1 Connections for Ground Fault

Test

Voltage

Source

Current

Limiting
Resistor

required)

Fig. 14-3 Connections for Ground Fault No-Trip Test, with

a Three- Wire System

Source

Load

Current Limiting
Resistor
(if required)

Fig. 14-2 Connections for Ground Fault No-Trip Test, with

a Four- Wire System

Fig. 15

Typical Rating Plug

Effective March 2003

I.L. 29C615E

Courtesy of NationalSwitchgear.com

Содержание Digitrip RMS 310

Страница 1: ...TION OR MISINSTALLATION OF ITS PRODUCTS CUTLER HAMMER IS NOT LIABLE FORTHE The user is cautioned to observe all recommendations warnings and cautions relatingto the safety of personnel and equipment a...

Страница 2: ...ing steps Note If required internal accessory installation should be done before the circuit breaker is mounted and connected Refer to individualaccessory instruc tion leaflets Make sure that the trip...

Страница 3: ...ed but no phaseto neutral loadsare used the neutralcurrent sensor is not necessary Inthat case the white and grey leadson the trip unit should be cut off before installation If the system neutralis gr...

Страница 4: ...OURCE LOAD Aux Iiaryswitch shown m the Breaker Canlacis Open pmilmn Fig 6 COVER SCREWS TORQUE 20 22 9 9 1 b Fig 7a MDL Trip Unit Installation E VN Effective March 2003 I L 29C615E Courtesy of National...

Страница 5: ...also remove the load end trip unit mounting screws from the frame fig 7a Note The two trip unit outer retaining screws may be placed in the trip unit conductor holes at this time If preferred the 5 1...

Страница 6: ...heck manual tripping of the circuit breaker Fig 9 Cover Screw Installation Positions Note Before attempting to install the rating plug the arrow in the Push to Trip button portion of the plug must be...

Страница 7: ...es LSI LSIE LSIP and LSlG unlessthe instantaneous I setting is selected 4 4 Ground Fault Protection When selected ground fault pick up and time delay settings shown inTable 1 2 allow selective ground...

Страница 8: ...I Ih 1 Ilh 5 Short Delay Pick up Multiples of Rated Cu Current irrent Fig 12 1 Short Delay TripCurrent Adjustment and Curve Details Fig 12 2Short Delay TripCurrentand Short Delay Trip Time Adjustment...

Страница 9: ...rounding points of the system shall be verified to determinethat ground paths do not exist that would bypass the sensors The use of high voltagetesters and resistancebridges may be used i 3 0 0 8 Rati...

Страница 10: ...e Current Limiting Resistor if required Fig 14 3 Connectionsfor GroundFault No Trip Test with a Three WireSystem Source Load Nl Current Limiting Resistor if required Fig 14 2 Connectionsfor GroundFaul...

Страница 11: ...hose in Charge of the Building s Electrical Installation in order to be available to the Authority having Jurisdiction Test Date Circuit Breaker Number Results Tested By Fig 16 TypicalPerformanceTestR...

Страница 12: ...ustable rating plugs Table 1 2 the primary current carrying conductors used with the breaker must be sized to correspond with the maximumsetting of the rating plug in accordance with National Electric...

Страница 13: ...fourth pole Fourth pole unprotected 0 Fixed rating plugs available see Table 1 2 0 Optional four setting adjustable rating plugs available seeTable 1 2 8 Using trip unit with adjustable short delay t...

Страница 14: ...ck upO Ground Fault Pick up Adjustable Ground FaultTime Delay Fixed rating plugs available Trip Unit Fixed Rating Plugs Amoere Ratina 600A 630A 800A 300A 350A 400A 500A 600A I 300A 315AO 350A 400A 500...

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