Rockwell Automation 193 193-5.0: Bulletin 913/592 SMP-3 Solid-State Overload Relay - Manual (Page 7)

Chapter 1 – Introduction
1-3
SMP-3 OVERVIEW
The SMP-3 overload relay is a solid-state electronic overload
relay that is separately powered and microprocessor-based.
FUNCTIONALITY
The SMP-3 overload relay provides the following protective
features:
D Overload protection
D Phase loss protection
D Ground fault protection
D Jam/stall protection
The SMP-3 overload relay also features:
D Two triac outputs (AC) for contactor control
D Manual reset button
D Test function
D Illegal FLC setting prevention
D Non-volatile operating memory protection
D Communication loss protection
D Ambient temperature compensation
D DIP switch selectable functions:
– Adjustable trip class 10, 15,
20 or 30
(2 DIPs)
– Automatic or manual reset (1 DIP)
– Ground fault protection (1 DIP)
– Jam/stall protection (1 DIP)
– Test function (1 DIP)
– 5:1 FLC setting range (8 DIPs)
D Status LEDs
– Trip (Red)
– OUT B (Yellow)
– OUT A (Yellow)
– Power (Green)
D Remote reset button (option)
D Communications
COMMUNICATIONS CAPABILITIES
The SMP-3 overload relay has communications capabilities.
The embedded communications capabilities can be used to
control the SMP-3 overload relay or to obtain status
information from the SMP-3 overload relay:
D Control Functionality
– Turn OUT A ON/OFF
– Turn OUT B ON/OFF
– Reset/Clear Fault