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Instruction Leaflet 

IL0131154EN

Effective August 2021

Neutral current sensors

Magnum PXR ACB trip units

Instructions apply to:

WARNING

(1)  ONLY QUALIFIED ELECTRICAL PERSONNEL SHOULD BE 

PERMITTED TO WORK ON THE EQUIPMENT. 

(2)  ALWAYS DE-ENERGIZE PRIMARY AND SECONDARY CIRCUITS IF 

A CIRCUIT BREAKER CANNOT BE REMOVED TO A SAFE WORK 
LOCATION.

(3)  DRAWOUT CIRCUIT BREAKERS SHOULD BE LEVERED (RACKED) 

OUT TO THE DISCONNECT POSITION.

(4)  ALL CIRCUIT BREAKERS SHOULD BE SWITCHED TO THE OFF 

POSITION AND MECHANISM SPRINGS DISCHARGED.

FAILURE TO FOLLOW THESE STEPS FOR ALL PROCEDURES 

DESCRIBED IN THIS INSTRUCTION LEAFLET COULD RESULT IN 
DEATH, BODILY INJURY, OR PROPERTY DAMAGE.

 

m

 WARNING

THE INSTRUCTIONS CONTAINED IN THIS IL AND ON PRODUCT 
LABELS HAVE TO BE FOLLOWED.  OBSERVE THE FIVE SAFETY 
RULES:
– DISCONNECTING
– ENSURE THAT DEVICES CANNOT BE ACCIDENTALLY RESTARTED
–  VERIFY ISOLATION FROM THE SUPPLY
–  EARTHING AND SHORT-CIRCUITING
–  COVERING OR PROVIDING BARRIERS TO ADJACENT LIVE PARTS.
DISCONNECT THE EQUIPMENT FROM THE SUPPLY.  USE ONLY 
AUTHORIZED SPARE PARTS IN THE REPAIR OF THE EQUIPMENT.  
THE SPECIFIED MAINTENANCE INTERVALS, AS WELL AS THE 
INSTRUCTIONS FOR REPAIR AND EXCHANGE, MUST BE STRICTLY 
ADHERED TO PREVENT INJURY TO PERSONNEL AND DAMAGE TO 
THE SWITCHBOARD.

Содержание Magnum PXR ACB

Страница 1: ...RE TO FOLLOW THESE STEPS FOR ALL PROCEDURES DESCRIBED IN THIS INSTRUCTION LEAFLET COULD RESULT IN DEATH BODILY INJURY OR PROPERTY DAMAGE m WARNING THE INSTRUCTIONS CONTAINED IN THIS IL AND ON PRODUCT LABELS HAVE TO BE FOLLOWED OBSERVE THE FIVE SAFETY RULES DISCONNECTING ENSURE THAT DEVICES CANNOT BE ACCIDENTALLY RESTARTED VERIFY ISOLATION FROM THE SUPPLY EARTHING AND SHORT CIRCUITING COVERING OR P...

Страница 2: ...the current sensors described in this document should be used with Magnum PXR trip units Refer to Figure 2 for instructions on how to use the trip unit display to select the type of sensor that you are using If no sensor is used the CT selection should be made this is the factory default setting If a Rogowski coil is selected and no coil is connected false current readings and possibly trips will ...

Страница 3: ...trip units EATON www eaton com Figure 3 Rogowski coil busbar type dimensions Figure 4 CT type dimensions load side shown 1 58 n 32 94 144 50 54 1 08 3 59 50 1 00 79 49 98 8Xn 440 3 94 1 57 2 64 3 70 POLARITY MARK 10 RINGTERMINAL AND HARDWARE 2X TORQUETO 20 lb in GRAYWIRE POLARITY MARK WHITE WIRE ...

Страница 4: ...operations Where a question exists consult the specifying engineer and or equipment assembler The grounding points of the system shall be verified to determine that ground paths do not exist that would bypass the sensors High voltage testers and resistance bridges may be used m IMPORTANT THE POLARITY OF THE SENSOR CONNECTIONS IS CRITICAL ALWAYS OBSERVE THE POLARITY MARKINGS ON THE INSTALLATION DRA...

Страница 5: ...5 Instruction Leaflet IL0131154EN Effective August 2021 Neutral current sensors Magnum PXR ACB trip units EATON www eaton com Notes ...

Страница 6: ...r other contractual agreement between Eaton and the purchaser THERE ARE NO UNDERSTANDINGS AGREEMENTS WARRANTIES EXPRESSED OR IMPLIED INCLUDING WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY OTHER THAN THOSE SPECIFICALLY SET OUT IN ANY EXISTING CONTRACT BETWEEN THE PARTIES ANY SUCH CONTRACT STATES THE ENTIRE OBLIGATION OF EATON THE CONTENTS OF THIS DOCUMENT SHALL NOT BECOME PART ...

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