Rockwell Automation Publication 1560F-UM001A-EN-P - June 2019 13
Chapter 1
Product Overview
Overview
The SMC-50 is a solid-state, three-phase, AC line controller. It is designed to
provide microprocessor-controlled starting and stopping of standard three-phase,
squirrel-cage induction motors, using the same control module as the Allen-
Bradley Bulletin 150 SMC-50.
1503E – OEM Controller
A chassis-mount medium voltage solid-state controller designed to mount in an
OEM or customer-supplied structure, and designed to work in conjunction with
an existing or OEM/customer-supplied starter. It is comprised of several modular
components, including:
• Frame-mounted or loose power stacks including gate driver boards
• Loose interface and voltage feedback boards
• Fiber optic cables for SCR firing
• Microprocessor based control module
• Bypass vacuum contactor
1560F – Retrofit Controller
A medium voltage solid-state controller designed to work in conjunction with an
existing customer-supplied starter. It includes:
• Tin-plated, copper, horizontal power bus (optional)
• A continuous, bare copper ground bus
• Power electronics
• A bypass vacuum contactor
•Three current transformers
• A low voltage control panel complete with microprocessor-based control
module
• Top and bottom plates to accommodate power cables.
TIP Refer to
Interlocking on page 60 of Chapter 2.