| Option |
Option Code Letter
|
Description |
| Circuit Breaker |
C
|
This option provides branch circuit protection by means of a circuit breaker with a flange-mounted operating handle and an Interrupting Capacity of 65kA and except for 600V packages where the Interrupting Capacity is 50kA for 1 through 150HP, and 25kA for 200 and 250HP. |
| Line Reactor |
R
|
No form of input impedance is normally required for the iQpump1000 Configured. A 3% line reactor is available if additional impedance is desired, usually to reduce the effects of line-side transients and input current THD. |
| DC Bus Reactor |
X
|
Large HP drives include 3% bus impedance. A 3% bus reactor is available for small HP drives (see table) if additional impedance is desired, usually to reduce the effects of line-side transients and input current THD. |
| Load Reactor |
H
|
No form of output impedance is normally required for the iQpump 1000 Configured. A 3% load reactor is available if additional output impedance is desired, usually for long lead-lengths or noise reduction. |
| Cap Filter |
N
|
The standard configuration does not include a filter. The cap filter is a delta-wye capacitive network, used to help attenuate electrical noise. |
| Only available on NEMA 3R enclosures: |
| Space Heater |
3
|
This option maintains the internal cabinet temperature to reduce condensation. |
| 50 Degree C Ambient |
4
|
This option will allow the enclosure to be operated in an ambient temperature of 50°C (122°F). The standard basic design is rated for 40°C ambient. |
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