MTRA-FSP Installation & Operation Manual
00242600-MTRA-FSP_Manual.doc Page 5 of 16
2 Introduction
The MTRA-FSP Level Control Relay is a solid-state electronic level control
module housed in a hi-impact plastic case with a DIN rail attachment on the
back. It is used to control pump relays in response to a liquid level sensor such
as a MultiTrode probe. A pump thermal sensor can be connected to the MTRA-
FSP for pump protection. During operation the LED indicators on the front panel
indicate the current status including – Pump On/Off, Thermal Fault, Probe Fault
and Level Alarm.
The MTRA-FSP level control relay is designed to be easy to install and
configure. All connections are clearly labelled on the side of the device and is
configured using a set of dip switches on the front panel.
3 Specifications
Dimensions
Width 22.5mm
Height 101mm
Length (depth) 120mm
Environmental
Ambient Temperature -10 to 60 degrees Celsius
Humidity 5% to 95% non-condensing
AC Power Supply
Voltage Range 85 – 265V AC
Frequency 50/60Hz
Power 3.5W
DC Power Supply
Voltage Range 12 – 30V DC
Current 0.15A max
Relay Outputs
Type Form A
Current (Resistive) 5A
Current (Inductive) 2A
Voltage Rating DC 30V DC
Voltage Rating AC 250V AC
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