| Option |
Option Code Letter |
Description |
| Circuit Breaker |
C
|
This option provides a thermal-magnetic circuit breaker that meets NEC branch circuit protection requirements, with a flange-mounted operating handle. |
| Disconnect |
D
|
This option provides a non-fused disconnect with a flange-mounted operating handle. |
| Input Fuses |
F
|
This option provides high-speed semi-conductor drive input fuses, rated for 200,000 amp RMS symmetrical interrupting capacity, that provides both drive input I2T protection and NEC approved branch circuit and short circuit protection. |
| Input Reactor |
R
|
No form of input impedance is normally required for the Configured Drive. A 3% line reactor is available if additional impedance is desired (usually to reduce the effects of line-side transients and input THD). |
| DC Bus Reactor |
X
|
No form of bus impedance is normally required for the Configured Drive. A 3% bus reactor is available if additional impedance is desired (usually to reduce the effects of line-side transients and input THD). |
| Input Filter |
N
|
The standard configuration does not include a filter. The cap filter is a delta-wye capacitive network. |
| Dynamic Braking |
B
|
This option is used to enhance the drive's ability to brake/stop the motor. The braking transistor module is included in the Configured package, and is sized for standard duty (10-15%). This option does NOT include DB resistors or any other DB resistor overtemp protection. See Dynamic Braking Section to select DB resistor.. |
| Dynamic Braking with Overtemp Shutdown |
J
|
This option is used to enhance the drive's ability to brake/stop the motor. The braking transistor module is included in the Configured package along with a shunt trip MCP and power circuitry to disconnect the input power from the drive, should the DB resistor overtemperature switch activate. The braking transistor is sized for standard duty (10-15%). This option does NOT include DB resistors, and cannot be ordered with Power Options (C) or (D). See Dynamic Braking Section to select DB resistor. |
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