Rockwell Automation Publication 22C-IN002E-EN-P - November 2010
Chapter 3
3 Contactor Basic Bypass with Disconnect
Package
(Style C)
Chapter Objectives
This chapter describes the features and operation for the 3 Contactor Basic
Bypass with Disconnect Package (Style C).
Hardware Overview
The 3 Contactor Basic Bypass with Disconnect Package (Style C) allows
the motor be manually transferred from the drive output to the AC line, or
from the AC line to the drive. Remote or automatic bypass operation is not
provided with this option. A single door-mounted 4-position selector switch
determines the state of operation. Additionally, a user-powered “Drive/
Bypass” enable relay is provided for remote shut down of the unit.
Main Disconnect Switch (DS1 or MP1)
Allen-Bradley Bulletin 140M Motor Protectors are provided for all ratings
through 60 Hp. The Bulletin 140M provides short circuit and overload
protection. A lockable door-mounted operator handle is provided. The door-
mounted handle accepts up to three (3) padlocks.
For ratings 75 Hp and larger, 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.
For information on … See page …
Hardware Overview
3-1
Electrical Installation 3-4
Operating Modes 3-7
Parameter Defaults 3-8
Drawing Index 3-9
Schematic Drawings 3-10
Interconnect Drawings 3-13
Layout Drawings 3-16
Outline Drawings 3-20
To Next Page
Loading...
Need help?
General
