Engineered for commercial and industrial power distribution, the Siemens SND69800A provides 800 amps of electronic trip circuit protection. It delivers reliable microprocessor-based sensing for enhanced system coordination. This bolt-on ND-frame breaker installs into Siemens Sentron P4 and P5 panelboards, as well as SB1, SB2, and SB3 switchboards. It serves as a replacement for legacy installations and is superseded by the SND6B800LI. Rated 35kAIC at 480VAC, it features an adjustable trip unit.
What Siemens equipment is compatible with the SND69800A?
This ND-frame breaker mounts directly into Siemens Sentron Type P4 and P5 panelboards, along with SB1, SB2, and SB3 switchboards.
How many conductors per phase can the standard lugs on the SND69800A accept?
The standard lug configuration accepts four 250 to 500 kcmil copper or aluminum conductors per phase.
How does the LI trip unit on the SND69800A differ from standard thermal-magnetic breakers?
The electronic LI trip unit provides highly accurate, adjustable rotary dial settings for Long-Time and Instantaneous protection, offering tighter coordination than fixed thermal-magnetic alternatives.
Does the SND69800A provide equipment ground fault protection?
No. This specific model features an LI trip unit. For ground fault protection, an LSIG or LIG trip unit configuration is required.
Can the SND69800A be reverse fed in a panelboard?
Yes. Siemens SND6 frame circuit breakers with electronic trip units are UL listed for reverse feed installations.
Can this breaker replace older I-T-E 800A ND-frame breakers?
Yes. It shares the same physical dimensions as legacy I-T-E and Siemens ND6 frames, making it a direct drop-in replacement for existing enclosures.
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