Square D Multi 9 C60SP Miniature Circuit Breaker, 4-Pole, 40A, B-Curve, 480Y/277V, 10 kA
The Square D Multi 9 C60SP miniature circuit breaker (Model M9F21440) is a 4-pole, 40A, B-curve breaker rated at 480Y/277V with a 10 kA breaking capacity. Designed for 3-phase plus neutral branch circuit protection.
Square D Multi 9 C60SP Miniatu...
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Square D Multi 9 C60SP Miniature Circuit Breaker – 4-Pole, 40A, B-Curve
The Square D (Schneider Electric) Multi 9 C60SP miniature circuit breaker (Model M9F21440) delivers reliable 4-pole branch circuit protection at 40A and 480Y/277V. The B-curve trip characteristic handles circuits with moderate inrush currents, and the 10 kA breaking capacity provides robust short-circuit protection for industrial and commercial systems.
Key Features
- 4-pole configuration for 3-phase plus neutral circuit protection
- 40A rated current
- B-curve trip characteristic for moderate inrush current applications
- 10 kA breaking capacity at 480Y/277V
- Modular design for easy panel integration
- Part of the Square D Multi 9 C60SP system
Specifications
- Model: M9F21440
- Manufacturer: Square D (Schneider Electric)
- Poles: 4
- Amperage: 40A
- Voltage: 480Y/277V
- Breaking Capacity: 10 kA
- Trip Curve: B
Applications
Designed for industrial and commercial distribution panels where 4-pole, 40A branch circuit protection at 480Y/277V is required. Commonly used for 3-phase plus neutral loads including HVAC systems, power distribution panels, and general branch circuits in industrial facilities.
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