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Toll Free, US (888) 584-6078
Montreal, PQ (514) 400-0518
Fremont, CA (510) 371-8111
London, UK (20) 3004 9222
Portland, ME (207) 922-9900
Toll Free, US (888) 584-6078
Montreal, PQ (514) 400-0518
Fremont, CA (510) 371-8111
London, UK (20) 3004 9222
Portland, ME (207) 922-9900
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[ SEL-421 ] Control Module by SEL
Stock Status: Confirmed: 4/30/2025
We stock replacement industrial capacity equipment for use in 
high availability environments including petro-chemical and nuclear facilities.
SEL-421 Control Module
SEL-421 Control Module 		SEL-421  Control Module SEL-421 circuit board
SEL-421 circuit board
Volume / Reseller Pricing Available