Siemens 3G-OTH-722118 — Technical Specifications

Name: Siemens 3G-OTH-722118 Miniature Circuit Breaker: 80 A Amps, 120/240V AC, 2 Poles, Std (MPN B280). Key specifications — Amps: 80 A; AC Voltage Rating: 120/240V AC; Max. AIR Rating: 10kA at 120/240V AC; For Use With: Siemens P1 Panelboards; Phase: Single; Series: BL.
Brand: Siemens

The Siemens B280 is a 2-pole, 80 A miniature circuit breaker from the BL Series, rated for 120/240V AC single-phase service with a maximum AIR rating of 10kA at 120/240V AC. Designed for bolt-on installation in Siemens P1 Panelboards, this standard-trip breaker provides overcurrent protection in commercial and industrial electrical distribution systems.

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Technical Specifications

Parameter	Value
AC	120/240V
Amps	80 A
Type	Std
Phase	Single
Poles	2
Series	BL
For Use With	Siemens P1 Panelboards
Max. AIR Rating	10kA at 120/240V AC
AC Voltage Rating	120/240V AC
Manufacturer Part Number	B280