Eaton Electrical Series NRX dimensions MCM Sizes, Step

IL01301016E

IL01301016E

Figure 4 Typical Cable Adapters

MCM Sizes

(CU/AL )

400

500

Section 2: Rear Mounted Connections

When making bolted connec- tions to the equipment or to the adapters themselves, all which have pre-tapped holes, it is important not to exceed the rec- ommended torque values. In addtion, any connection hard- ware used should be the exact length required and not extend out past the mounting hole. Failure to follow these require- ments could result in equipment damage and/or failure.

It is recommended that appropriate interphase barriers be installed between inside and outside primary terminals with all rear connected configurations to insure insulation integrity. If interphase barriers are ordered from Eaton, installation instructions are provided with the barriers (IL01301021E).

Straight Bus Adapter

Proceed with the following 3 steps:

Step 1: Bolt a straight bus adapter to the vertically positioned mounting holes of a primary terminal pad as shown using the hardware provided.

Torque the bolted connection to 120 in-lbs (13.6 N-m) using a torque wrench.

Step 1

Step 2: Complete all six adapter connections (eight for 4-pole) in a similar fashion with the three line adapters pointing up and the three load adapters pointing down as shown.

Step 2

Step 3: Reverse the procedure just described to remove the adapters.

2 For more information visit: www.eaton.com/seriesnrx Effective 10/08

Effective 10/08 For more information visit: www.eaton.com/seriesnrx 7