Branch circuit device: Equipment connection

These values are displayed when the Device Type is set to Branch circuit device: Equipment connection.

Family Edit: Branch circuit device: Equipment connection

edit-family-equipment-connection

Family Settings

The settings for the family. The values set in this top grid are used unless they are overridden by settings in the bottom Type Settings grid.

Device Type: The type of electrical device. Each type has different values that can be set. Displayed here are the settings for Branch circuit device: Equipment connection.

Circuit Description: The description that will be displayed on circuits that this device is connected to.

Load: The load defined on the connectors in the family. This value is read-only and connect be changed in this command. Modify the values in the connectors to change this value.

Show on One-Line Diagram: Whether or not the equipment should be shown on the one-line diagram. This setting can be overriden for each instance using the Edit Instance command.

FLA / BCSC: The full load amps or branch circuit selection current. Branch circuit selection current is used to size the breaker and wires for motor-compressors (see NEC 440.22 (A) and (C), NEC 440.32 and 33). Full load amps is used to size breakers for motors (see NEC 430.52).

MCA: The minimum circuit amps. Used to size wires for multimotors (see NEC 440.35).

MOCP: The maximum overcurrent protection. Used to size the breaker for motor-compressors (see NEC 440.22(A) and (C)).

Breaker Size: How to size the breaker for the branch circuit the equipment is connected to.

Size automatically (based upon load): The breaker is sized based upon 125% of the connected load. FLA / BCSC, MCA, and MOCP are all ignored.
Motor-Compressor, <= MOCP: The breaker is sized to be less than the MOCP (see NEC 440.22(C)).
Motor-Compressor, <= 175% of BCSC, <= MOCP: The breaker is sized to be less than 175% of the BCSC and less than the MOCP (see NEC 440.22(A) & (C)).
Motor-Compressor, <= 225% of BCSC, <= MOCP: The breaker is sized to be less than 225% of the BCSC and less than the MOCP (see NEC 440.22(A) & (C)).
Motor, Dual Element Fuse, <= 175% of FLA: The breaker is sized to be less than 175 of the FLA (see NEC 430.52).
Motor, Dual Element Fuse, <= 225% of FLA: The breaker is sized to be less than 225% of the FLA (see NEC 430.52(C)(1)(Exception No.2)(b)).
Motor, Inverse Time Breaker, <= 250% of FLA: The breaker is sized to be less than 250% of the FLA (see NEC 430.52).
Custom: The breaker size is set to the value you specify. Enter a number that corresponds to an ampacity in the Wire Ampacities command in your project.

Wire Size: How to size the conductors for the branch circuit the equipment is connected to.

Size automatically (based upon breaker, or loads if breaker based upon motor): The conductors are sized automatically. The conductors are sized to match the breaker, unless the Breaker Size is set to one of the Motor choices. Then the conductors are sized to match the load.
Multimotor, >= MCA: The conductors are sized to be greater than the MCA (see NEC 440.35).
Motor-Compressor, >= 100% of BCSC + 25% of max BCSC: The conductors are sized to be greater than 100% of the combined BCSC, plus 25% of the largest BCSC on the circuit (see NEC 440.32 & 33).
Size based upon loads: The conductors are sized based upon 125% of the connected load.
Size based upon breaker: The conductors are sized based upon the breaker size.
Custom: The wire size is set to the value you specify. The value you enter should exactly match a Wire Size value set in the Wire Sizes command in your project.

Motor Multiplier: The multiplier applied to the motor load when it is used during fault calculations.

Motor X/R Ratio: The X/R ratior of the motor load when is is used during fault calculations.

Type Settings

The settings for specific types in the family. Values set here override the values set in the top Family Settings grid.

Override Circuit Description: Whether or not to override the circuit description set in the Family Settings grid for this family type.

Override Equipment Values: Whether or not to override the equipment connection values set in the Family Settings grid for this family type.


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