Surge Protection
For Business-Critical ContinuityTM
Edco MPA Series
Modular Output File Protectors
The Edco MPA-303 Series is a modular device intended for use on traffic control load
relay outputs. The Edco MPA-303-9 unit will protect six output circuits. The Edco
MPA-303-6 unit will protect four output circuits.
The Edco MPA-303-9 is designed for any traffic controller cabinet equipped with
9 position, 5.08 mm spacing sockets wired in line with load relay outputs. The Edco
MPA-303-6 is designed for 6 position, 5.08 mm spacing sockets.
General Technical Specifications
Part Number
Edco MPA-303-9
Edco MPA-303-6
Edco MPA-303 Series
Maximum Operating Voltage
120 VAC
Clamping Voltage
340 VAC
Total Peak Surge Current
Features
Modular design for 6 and 4 output circuits
26k (6 pos), 39k (9 pos)
Operating Frequency
Fits 6 and 9 position, 5.08 mm
spacing sockets
47-63 Hz
SPD Technology
MOVs
Connection Type
Solid-state design
6 or 9 position 5.08 mm Euroblock
Operating Temperature
-40˚C to +85˚C
Dimensions (Inches, Module only)
5 year warranty
2.0H x 0.7W x 2.0L
Weight
2 oz.
Pin Out Configuration
Edco MPA-303-9
Edco MPA-303-6
3
Position
4
5
6
7
L1 L1/L2 L2
RTN
L3 L3/L4 L4
RTN
L5 L5/L6 L6
RTN
1
2
Emerson Network Power.
The global leader in enabling
Business-Critical ContinuityTM.
8
9
1
2
Position
3
4
L1 L1/L2 L2
RTN
5
Caution
This product could become excessively hot and
rupture in the rare event of power line
conditions or surge that exceed its rated
operating specification. Appropriate precautions
should be exercised. High voltages are present
on electrical termination. Unit should be
serviced by qualified personnel only.
6
L3 L3/L4 L4
RTN
AC Power
Embedded Computing
Outside Plant
Racks and Integrated Cabinets
Connectivity
Embedded Power
Power Switching & Control
Services
DC Power
Monitoring
Precision Cooling
Surge Protection
Emerson Network Power Contact information
www.emersonnetworkpower.com/surge
Headquarters
Surge Protection
100 Emerson Parkway
Binghamton, NY 13905
T: (607) 721-8840
T: (800) 288-6169
F: (607) 722-8713
E: contactsurge@emerson.com
IO-50169 4/11 Rev. 0
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