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Spec library

MS3320

Single-pole push-pull thermal circuit breaker, trip-free, manual reset.

What it is

Single-pole thermal circuit breaker with a push-pull button actuator, trip-free mechanism and manual reset, rated for 120 V AC and 28 V DC service. Dash numbers set the current rating, from fractional amps up to about 20 A (e.g. -7-1/2 is 7.5 A, -10 is 10 A, -15 is 15 A).

Where it's usedBranch circuit protection in aircraft and military vehicle electrical panels.
Spec statusMS3320 standard part for aircraft circuit breakers.
Part number breakdown
MS3320-10
MS3320
Push-pull single-pole trip-free circuit breaker.
-10
Rated current, 10 A.

MS3320 part numbers we've supplied

A sample of what we've quoted and shipped under this spec. If your dash number isn't here, send it anyway. Every order ships with a Certificate of Conformance and lot records.

MS3320-10MS3320-15MS3320-7-1/2

Related specs

Circuit breakers, relays and switches

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