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10

Instruction Leaflet 

IL0131080EN

Effective January 2019

3-way multi-family drawout cable interlock kit - type 32 - NF 

  

  

EATON

 www.eaton.com

Functional test of interlock assembly

Refer to 

Table 1

 and 

Figure 1

 for breaker position in the interlock 

configuration . Begin test sequence with all breakers 

OPEN

 . For 

Breaker 

A

, verify that the interlock assembly is positioned as shown 

in 

Figure 17

 while in the various states required by the steps below . 

For Breakers 

B

 and 

C

, use the figure included in the information 

leaflet for the interlock kit installed on those breakers .

Type 32

Six-cable interlock assembly test . Refer to 

Table 1

 for logic details .

• 

OPEN all breakers

• 

CHARGE and CLOSE Breaker 

A

—Breakers 

B

 and 

C

 should not be 

interlocked (not held OPEN and able to CLOSE, one at a time)

• 

OPEN Breaker 

A

• 

CHARGE and CLOSE Breaker 

B

—Breakers 

C

 and 

A

 should not be 

interlocked (not held OPEN and able to CLOSE, one at a time)

• 

OPEN Breaker 

B

• 

CHARGE and CLOSE Breaker 

C

—Breakers 

A

 and 

B

 should not be 

interlocked (not held OPEN and able to CLOSE, one at a time)

• 

OPEN Breaker 

C

• 

CHARGE and CLOSE Breakers 

A

 and 

B

—Breaker 

C

 should be 

interlocked (held OPEN, not able to CLOSE)

• 

CHARGE and attempt to CLOSE Breaker 

C

—it should not respond 

to CLOSE attempt (no noise, spring discharge, or contact motion)

• 

OPEN Breakers 

A

 and 

B

• 

CHARGE and CLOSE Breakers 

B

 and 

C

—Breaker 

A

 should be 

interlocked (held OPEN, not able to CLOSE)

• 

CHARGE and attempt to CLOSE Breaker 

A

—it should not 

respond to CLOSE attempt (no noise, spring discharge, or contact 

motion)

• 

OPEN Breakers 

B

 and 

C

• 

CHARGE and CLOSE Breakers 

C

 and 

A

—Breaker 

B

 should be 

interlocked (held OPEN, not able to CLOSE)

• 

CHARGE and attempt to CLOSE Breaker 

B

—it should not respond 

to CLOSE attempt (no noise, spring discharge, or contact motion)

• 

OPEN Breakers 

C

 and 

A

The mechanical interlock is now properly installed and adjusted . Use 

a light amount of supplied lubricant 

(G)

 if any interlock parts are 

sticky or do not fully reset . This is only recommended if needed .

 

Type RF frame breaker interlock 

assembly in OPEN state  

(not interlocked, able to close).

Type RF frame breaker interlock 

assembly in interlocked state 

(open and unable to close).

Type RF frame breaker interlock 

assembly in CLOSED state  

(not interlocked).

Figure 17. Position of interlock based on breaker state

Summary of Contents for Power Defense 32-NF

Page 1: ...NRX IZMX Power Defense Contents Description Page General information 2 Installation of three way cable interlock 4 Functional test of interlock assembly 9 3 way multi family drawout cable interlock ki...

Page 2: ...AL AND OR ELECTRICAL INTERLOCK TO PREVENT SIMULTANEOUS CLOSING COMMANDS BEING SENT TO BOTH OF THE NORMAL SUPPLY SWITCHING DEVICES A AND C AND THE TIE SWITCHING DEVICE B UNDER ALL CONDITIONS General in...

Page 3: ...IZMX MIL CAB2440 2 3 0 m 10 ft IZMX MIL CAB3050 2 a Cable kits are purchased separately as needed A B C D E F H G I M3 x 8 mm flathead screw 2x Lock washer 3x M6 x 12 mm hex bolt 3x Interlock assembl...

Page 4: ...The drive arm should be oriented as shown in Figure 4 and Figure 5 Torque to 0 3 0 6 N m 3 5 in lb Step 2 Install the trip pin F to the trip bar using an M3 x 8 mm flathead screw C while holding the...

Page 5: ...s refer to Figure 10 For example a cable connected to the Drive Lever Pull Swivel Fitting on Breaker A must connect to the Driven Lever Pull Swivel Fitting on Breaker B ATTENTION FIGURE 9 SHOWS THE TY...

Page 6: ...gure 10 follow the directions below see Figure 11 1 Remove upper nut from end of rod of cable assembly 2 Slide rubber boot toward tip of rod 3 Unthread outer bulkhead nut and slide nut and lock washer...

Page 7: ...rive lever Compression spring Swivel fitting Lower nuts Stop at end of thread Raise cable assembly until threaded portion of bulkhead fitting enters slotted hole in cable bracket threads show above br...

Page 8: ...0 2 mm Figure 13 Driven And lever position with interconnected push breaker open and pull breaker closed Lever plate Gap 0 4 mm Connected breaker open Gap Connected breaker closed Figure 14 Driven An...

Page 9: ...end long rod Bulkhead Rubber boot Outer bulkhead nut Lock washers 2 Pull swivel Upper nut 22 2 mm 0 875 inch cable tube spacer Lower nuts Driven And lever Pull swivel Upper nut 30 5 mm 1 2 inch cable...

Page 10: ...time OPEN Breaker C CHARGE and CLOSE Breakers A and B Breaker C should be interlocked held OPEN not able to CLOSE CHARGE and attempt to CLOSE Breaker C it should not respond to CLOSE attempt no noise...

Page 11: ...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...

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