Electrical engineering resources for panel builders and OEMs
Expert articles, selection tools, and standards insight to help you solve today’s design challenges and build better panels.
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The guides panel builders use most
How to calculate SCCR in 4 steps
Determine your control panel’s short circuit current rating, step by step.
Circuit breaker trip curves explained
How to read time-current curves and choose the right breaker for the load.
UL 98 vs UL 508 disconnect switches
Which standard applies, and what it means for your panel design.
UL 1008 and ATS ratings
Testing requirements and ratings for automatic transfer switches.
UL 60335-2-40 for HVAC equipment
What the standard means for HVAC OEMs and their panel builders.
UL 67 vs UL 891
How panelboard and switchboard standards differ, and when each applies.
Browse by topic
Short-circuit protection & SCCR
Calculate, document, and raise your panel’s SCCR.
Circuit protection & trip curves
Choose breakers and curves that protect without nuisance trips.
UL standards
Plain-language guides to the standards your panels are built to.
Motor control & starting
Pick the right starter, coordination, and protection for every motor.
Machine safety
Design safety circuits that protect people and keep lines running.
Smart machines & OEM design
Electrical choices that make machines more reliable and competitive.
Tools and technical references
Calculators, selection tools, and technical guides for specifying ABB components.
InControl webinar series
Live and on-demand webinars for OEMs and panel builders, eligible for PDH credits.
Motor Starting & Protection Selector
Enter your motor or application requirements and get compatible ABB part numbers.
Selected Optimized Coordination tool
Find tested starter combinations, UL file numbers, and the cables they need.
Latest from the blog
New guidance from ABB experts on the issues panel builders and OEMs face now.
Our experts
Written by the people who engineer it
Every article on Electrical Engineering Resource is created by ABB application engineers, product managers, and Certified Machinery Safety Experts. You get the practical detail needed to design, build, and certify better panels and machines.
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