Style explanation, Hardware overview, Main disconnect switch (ds1) – Rockwell Automation 23C PowerFlex 400 AC Drive Packages for Fan & Pump Apps User Manual
Page 11: Main circuit breakers (cb1), Chapter 1, Main input disconnect package (style a/m), Style explanation hardware overview, Chapter
Rockwell Automation Publication 23C-IN001B-EN-P - June 2013
11
Chapter
1
Main Input Disconnect Package (Style A/M)
This chapter describes the features and operation for the Main Input Disconnect
Package (Style A/M).
Style Explanation
• Style A = Fused Disconnect
• Style M = Circuit Breaker
Hardware Overview
The Main Input Disconnect Package (Style A/M) combines an Adjustable
Frequency AC Drive with a means for disconnecting input power within a single
package. Input power is connected to the PowerFlex drive through a door
interlocked fuse disconnect switch or circuit breaker.
Main Disconnect Switch (DS1)
An Allen-Bradley Bulletin 194R Fused Disconnect Switch with lockable rotary
mounted operator handle is provided. The disconnect switch is designed to meet
disconnect switch requirements for branch circuit protection. The door
mounted handle accepts up to three (3) padlocks.
Main Circuit Breakers (CB1)
An Allen-Bradley Bulletin 140U circuit breaker with lockable rotary mounted
operator handle is provided. The circuit breaker is designed to meet circuit
breaker requirements for branch circuit protection. The door-mounted handle
accepts up to three (3) padlocks.
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