ASCO Model 231 (Edco SPA-303) Surge Protective Device
120VAC | 39kA
The ASCO Model 231 (Edco ® SPA-303) is a three circuit Surge Protective Device intended for use on traffic control load relay outputs. The Model 231 is furnished with three leads and a ground stud.
- Convenient mounting/grounding stud
- Compact size
- 5 Year Warranty