Edco SPA-303 Installation Manual (IO-50156)

Surge Protection
For Business-Critical ContinuityTM
Edco SPA-303
120 VAC Load Relay
The Edco SPA-303 is a three circuit protective device intended for use on traffic control
load relay outputs. The protector is furnished with three leads and a ground stud.
General Technical Specifications
Part Number
Edco SPA-303
Maximum Operating Voltage
120 VAC
Clamping Voltage
395 VAC
Total Peak Surge Current
39 kA
Operating Frequency
47-63 Hz
SPD Technology
MOVs
Connection Type
#14 AWG, 12” Long Leads
Ground/Mounting Stud
10-32 x 5/8” SS
Operating Temperature
-40˚C to +85˚C
Dimensions (Inches)
1.5H x 1W x 2.125L
Weight
5 oz
Features
Convenient mounting/grounding stud
Compact size
5 year warranty
Mounting
1.5"
SPA-303
5/8"
Caution
To prevent shock hazard, this product
should never be ungrounded (bolt
disconnected from ground) when power
is applied to leads.
1"
2.125"
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IO-50156 11/10 Rev. 0
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